diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/BcdeExecutionTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/BcdeExecutionTelemetryRecord.cs
index 348586980..b7cab203b 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/BcdeExecutionTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/BcdeExecutionTelemetryRecord.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 using System;
@@ -10,21 +9,21 @@ public class BcdeExecutionTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "BcdeExecution";
 
-    public string Command { get; set; }
+    public string? Command { get; set; }
 
     public int? ExitCode { get; set; }
 
     public int? HiddenExitCode { get; set; }
 
-    public string UnhandledException { get; set; }
+    public string? UnhandledException { get; set; }
 
-    public string Arguments { get; set; }
+    public string? Arguments { get; set; }
 
-    public string ErrorMessage { get; set; }
+    public string? ErrorMessage { get; set; }
 
-    public string AgentOSMeaningfulDetails { get; set; }
+    public string? AgentOSMeaningfulDetails { get; set; }
 
-    public string AgentOSDescription { get; set; }
+    public string? AgentOSDescription { get; set; }
 
     public static async Task<TReturn> TrackAsync<TReturn>(
         Func<BcdeExecutionTelemetryRecord, CancellationToken, Task<TReturn>> functionToTrack,
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/CommandLineInvocationTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/CommandLineInvocationTelemetryRecord.cs
index d44ae611a..30383cbd2 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/CommandLineInvocationTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/CommandLineInvocationTelemetryRecord.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 using System;
@@ -8,15 +7,15 @@ public class CommandLineInvocationTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "CommandLineInvocation";
 
-    public string PathThatWasRan { get; set; }
+    public string? PathThatWasRan { get; set; }
 
-    public string Parameters { get; set; }
+    public string? Parameters { get; set; }
 
     public int? ExitCode { get; set; }
 
-    public string StandardError { get; set; }
+    public string? StandardError { get; set; }
 
-    public string UnhandledException { get; set; }
+    public string? UnhandledException { get; set; }
 
     internal void Track(CommandLineExecutionResult result, string path, string parameters)
     {
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DependencyGraphTranslationRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DependencyGraphTranslationRecord.cs
index 4c662f2a4..bd73c55e3 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DependencyGraphTranslationRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DependencyGraphTranslationRecord.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 using System;
@@ -7,7 +6,7 @@ public class DependencyGraphTranslationRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "DependencyGraphTranslationRecord";
 
-    public string DetectorId { get; set; }
+    public string? DetectorId { get; set; }
 
     public TimeSpan? TimeToAddRoots { get; set; }
 
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DetectedComponentScopeRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DetectedComponentScopeRecord.cs
index e279d81d7..94c437277 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DetectedComponentScopeRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DetectedComponentScopeRecord.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 using System.Runtime.CompilerServices;
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DetectorExecutionTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DetectorExecutionTelemetryRecord.cs
index c1e42c084..03abd3daf 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DetectorExecutionTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DetectorExecutionTelemetryRecord.cs
@@ -1,11 +1,10 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class DetectorExecutionTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "DetectorExecution";
 
-    public string DetectorId { get; set; }
+    public string? DetectorId { get; set; }
 
     public int? DetectedComponentCount { get; set; }
 
@@ -15,7 +14,7 @@ public class DetectorExecutionTelemetryRecord : BaseDetectionTelemetryRecord
 
     public bool IsExperimental { get; set; }
 
-    public string ExperimentalInformation { get; set; }
+    public string? ExperimentalInformation { get; set; }
 
-    public string AdditionalTelemetryDetails { get; set; }
+    public string? AdditionalTelemetryDetails { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceImageExistsLocallyTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceImageExistsLocallyTelemetryRecord.cs
index 33d02afb2..844f773a9 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceImageExistsLocallyTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceImageExistsLocallyTelemetryRecord.cs
@@ -1,13 +1,12 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class DockerServiceImageExistsLocallyTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "DockerServiceImageExistsLocally";
 
-    public string Image { get; set; }
+    public string? Image { get; set; }
 
-    public string ImageInspectResponse { get; set; }
+    public string? ImageInspectResponse { get; set; }
 
-    public string ExceptionMessage { get; set; }
+    public string? ExceptionMessage { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceInspectImageTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceInspectImageTelemetryRecord.cs
index 0fdf66ad2..c04d287d4 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceInspectImageTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceInspectImageTelemetryRecord.cs
@@ -1,17 +1,16 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class DockerServiceInspectImageTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "DockerServiceInspectImage";
 
-    public string Image { get; set; }
+    public string? Image { get; set; }
 
-    public string BaseImageDigest { get; set; }
+    public string? BaseImageDigest { get; set; }
 
-    public string BaseImageRef { get; set; }
+    public string? BaseImageRef { get; set; }
 
-    public string ImageInspectResponse { get; set; }
+    public string? ImageInspectResponse { get; set; }
 
-    public string ExceptionMessage { get; set; }
+    public string? ExceptionMessage { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceSystemInfoTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceSystemInfoTelemetryRecord.cs
index 6a6b6a33e..7991cd40c 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceSystemInfoTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceSystemInfoTelemetryRecord.cs
@@ -1,11 +1,10 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class DockerServiceSystemInfoTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "DockerServiceSystemInfo";
 
-    public string SystemInfo { get; set; }
+    public string? SystemInfo { get; set; }
 
-    public string ExceptionMessage { get; set; }
+    public string? ExceptionMessage { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceTelemetryRecord.cs
index c87f4594b..e93e25681 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceTelemetryRecord.cs
@@ -1,17 +1,16 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class DockerServiceTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "DockerService";
 
-    public string Image { get; set; }
+    public string? Image { get; set; }
 
-    public string Command { get; set; }
+    public string? Command { get; set; }
 
-    public string Container { get; set; }
+    public string? Container { get; set; }
 
-    public string Stdout { get; set; }
+    public string? Stdout { get; set; }
 
-    public string Stderr { get; set; }
+    public string? Stderr { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceTryPullImageTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceTryPullImageTelemetryRecord.cs
index a0bc47b3e..79e77779a 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceTryPullImageTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/DockerServiceTryPullImageTelemetryRecord.cs
@@ -1,13 +1,12 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class DockerServiceTryPullImageTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "DockerServiceTryPullImage";
 
-    public string Image { get; set; }
+    public string? Image { get; set; }
 
-    public string CreateImageProgress { get; set; }
+    public string? CreateImageProgress { get; set; }
 
-    public string ExceptionMessage { get; set; }
+    public string? ExceptionMessage { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/FailedParsingFileRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/FailedParsingFileRecord.cs
index 8dbc7985f..f5e210ff2 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/FailedParsingFileRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/FailedParsingFileRecord.cs
@@ -1,15 +1,14 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class FailedParsingFileRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "FailedParsingFile";
 
-    public string DetectorId { get; set; }
+    public string? DetectorId { get; set; }
 
-    public string FilePath { get; set; }
+    public string? FilePath { get; set; }
 
-    public string ExceptionMessage { get; set; }
+    public string? ExceptionMessage { get; set; }
 
-    public string StackTrace { get; set; }
+    public string? StackTrace { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/GoGraphTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/GoGraphTelemetryRecord.cs
index 2a6f25cd2..6639bbe6a 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/GoGraphTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/GoGraphTelemetryRecord.cs
@@ -1,11 +1,10 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class GoGraphTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "GoGraph";
 
-    public string ProjectRoot { get; set; }
+    public string? ProjectRoot { get; set; }
 
     public bool IsGoAvailable { get; set; }
 
@@ -17,9 +16,9 @@ public class GoGraphTelemetryRecord : BaseDetectionTelemetryRecord
 
     public bool DidGoCliCommandFail { get; set; }
 
-    public string GoCliCommandError { get; set; }
+    public string? GoCliCommandError { get; set; }
 
-    public string GoModVersion { get; set; }
+    public string? GoModVersion { get; set; }
 
-    public string ExceptionMessage { get; set; }
+    public string? ExceptionMessage { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/GoReplaceTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/GoReplaceTelemetryRecord.cs
index ce96c1b7e..0403f6c01 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/GoReplaceTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/GoReplaceTelemetryRecord.cs
@@ -1,13 +1,12 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class GoReplaceTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "GoReplace";
 
-    public string GoModPathAndVersion { get; set; }
+    public string? GoModPathAndVersion { get; set; }
 
-    public string GoModReplacement { get; set; }
+    public string? GoModReplacement { get; set; }
 
-    public string ExceptionMessage { get; set; }
+    public string? ExceptionMessage { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/InvalidParseVersionTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/InvalidParseVersionTelemetryRecord.cs
index 22f5cc906..838fa52c8 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/InvalidParseVersionTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/InvalidParseVersionTelemetryRecord.cs
@@ -1,15 +1,14 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class InvalidParseVersionTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "InvalidParseVersion";
 
-    public string DetectorId { get; set; }
+    public string? DetectorId { get; set; }
 
-    public string FilePath { get; set; }
+    public string? FilePath { get; set; }
 
-    public string Version { get; set; }
+    public string? Version { get; set; }
 
-    public string MaxVersion { get; set; }
+    public string? MaxVersion { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorImageDetectionFailed.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorImageDetectionFailed.cs
index ba9a15a90..46aae7758 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorImageDetectionFailed.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorImageDetectionFailed.cs
@@ -1,15 +1,14 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class LinuxContainerDetectorImageDetectionFailed : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "LinuxContainerDetectorImageDetectionFailed";
 
-    public string ImageId { get; set; }
+    public string? ImageId { get; set; }
 
-    public string Message { get; set; }
+    public string? Message { get; set; }
 
-    public string ExceptionType { get; set; }
+    public string? ExceptionType { get; set; }
 
-    public string StackTrace { get; set; }
+    public string? StackTrace { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorLayerAwareness.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorLayerAwareness.cs
index dc464c56d..cf39c768f 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorLayerAwareness.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorLayerAwareness.cs
@@ -1,17 +1,16 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class LinuxContainerDetectorLayerAwareness : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "LinuxContainerDetectorLayerAwareness";
 
-    public string BaseImageRef { get; set; }
+    public string? BaseImageRef { get; set; }
 
-    public string BaseImageDigest { get; set; }
+    public string? BaseImageDigest { get; set; }
 
     public int? BaseImageLayerCount { get; set; }
 
     public int? LayerCount { get; set; }
 
-    public string BaseImageLayerMessage { get; set; }
+    public string? BaseImageLayerMessage { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorMissingRepoNameAndTagRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorMissingRepoNameAndTagRecord.cs
index c92ac0451..6d64ae1a0 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorMissingRepoNameAndTagRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorMissingRepoNameAndTagRecord.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class LinuxContainerDetectorMissingRepoNameAndTagRecord : BaseDetectionTelemetryRecord
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorMissingVersion.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorMissingVersion.cs
index 965ecfe36..a28f2d990 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorMissingVersion.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorMissingVersion.cs
@@ -1,13 +1,12 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class LinuxContainerDetectorMissingVersion : BaseDetectionTelemetryRecord
 {
     public override string RecordName { get; } = "MissingVersion";
 
-    public string Distribution { get; set; }
+    public string? Distribution { get; set; }
 
-    public string Release { get; set; }
+    public string? Release { get; set; }
 
-    public string[] PackageNames { get; set; }
+    public string[]? PackageNames { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorUnsupportedOs.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorUnsupportedOs.cs
index 50d6ad352..415615306 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorUnsupportedOs.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxContainerDetectorUnsupportedOs.cs
@@ -1,9 +1,8 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class LinuxContainerDetectorUnsupportedOs : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "LinuxContainerDetectorUnsupportedOs";
 
-    public string Os { get; set; }
+    public string? Os { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxScannerSyftTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxScannerSyftTelemetryRecord.cs
index 0a6c5e281..e52b0f60f 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxScannerSyftTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxScannerSyftTelemetryRecord.cs
@@ -1,13 +1,12 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class LinuxScannerSyftTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "LinuxScannerSyftTelemetry";
 
-    public string Components { get; set; }
+    public string? Components { get; set; }
 
-    public string Exception { get; set; }
+    public string? Exception { get; set; }
 
-    public string ComponentsRemoved { get; set; }
+    public string? ComponentsRemoved { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxScannerTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxScannerTelemetryRecord.cs
index 647d4bea5..d3ad07ddd 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxScannerTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LinuxScannerTelemetryRecord.cs
@@ -1,19 +1,18 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class LinuxScannerTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "LinuxScannerTelemetry";
 
-    public string ImageToScan { get; set; }
+    public string? ImageToScan { get; set; }
 
-    public string ScanStdOut { get; set; }
+    public string? ScanStdOut { get; set; }
 
-    public string ScanStdErr { get; set; }
+    public string? ScanStdErr { get; set; }
 
-    public string FailedDeserializingScannerOutput { get; set; }
+    public string? FailedDeserializingScannerOutput { get; set; }
 
     public bool SemaphoreFailure { get; set; }
 
-    public string ScannerVersion { get; set; }
+    public string? ScannerVersion { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LoadComponentDetectorsTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LoadComponentDetectorsTelemetryRecord.cs
index 829286bf4..ce68a8a76 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LoadComponentDetectorsTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/LoadComponentDetectorsTelemetryRecord.cs
@@ -1,9 +1,8 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class LoadComponentDetectorsTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "LoadComponentDetectors";
 
-    public string DetectorIds { get; set; }
+    public string? DetectorIds { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/NuGetProjectAssetsTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/NuGetProjectAssetsTelemetryRecord.cs
index a5ed51bbd..42dd490d6 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/NuGetProjectAssetsTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/NuGetProjectAssetsTelemetryRecord.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 using System;
@@ -9,11 +8,11 @@ public class NuGetProjectAssetsTelemetryRecord : IDetectionTelemetryRecord, IDis
 
     public string RecordName => "NuGetProjectAssets";
 
-    public string FoundTargets { get; set; }
+    public string? FoundTargets { get; set; }
 
-    public string UnhandledException { get; set; }
+    public string? UnhandledException { get; set; }
 
-    public string Frameworks { get; set; }
+    public string? Frameworks { get; set; }
 
     public void Dispose()
     {
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PipReportFailureTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PipReportFailureTelemetryRecord.cs
index 2206f2a1b..bb68174f1 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PipReportFailureTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PipReportFailureTelemetryRecord.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class PipReportFailureTelemetryRecord : BaseDetectionTelemetryRecord
@@ -7,5 +6,5 @@ public class PipReportFailureTelemetryRecord : BaseDetectionTelemetryRecord
 
     public int ExitCode { get; set; }
 
-    public string StdErr { get; set; }
+    public string? StdErr { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PipReportSkipTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PipReportSkipTelemetryRecord.cs
index 69c3092bf..2032d314b 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PipReportSkipTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PipReportSkipTelemetryRecord.cs
@@ -1,13 +1,12 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class PipReportSkipTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "PipReportSkip";
 
-    public string SkipReason { get; set; }
+    public string? SkipReason { get; set; }
 
-    public string DetectorId { get; set; }
+    public string? DetectorId { get; set; }
 
     public int DetectorVersion { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PipReportTypeTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PipReportTypeTelemetryRecord.cs
index 2b1c6b8a8..dd393bed0 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PipReportTypeTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PipReportTypeTelemetryRecord.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class PipReportTypeTelemetryRecord : BaseDetectionTelemetryRecord
@@ -7,7 +6,7 @@ public class PipReportTypeTelemetryRecord : BaseDetectionTelemetryRecord
 
     public bool PreGenerated { get; set; }
 
-    public string FilePath { get; set; }
+    public string? FilePath { get; set; }
 
     public int PackageCount { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PypiFailureTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PypiFailureTelemetryRecord.cs
index 528011ffc..bf70d5c7a 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PypiFailureTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PypiFailureTelemetryRecord.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 using System.Net;
@@ -10,12 +9,12 @@ public class PypiFailureTelemetryRecord : BaseDetectionTelemetryRecord
     /// <summary>
     /// Gets or sets the package Name (ex: pyyaml).
     /// </summary>
-    public string Name { get; set; }
+    public string? Name { get; set; }
 
     /// <summary>
     /// Gets or sets the set of dependency specifications that constrain the overall dependency request (ex: ==1.0, >=2.0).
     /// </summary>
-    public string[] DependencySpecifiers { get; set; }
+    public string[]? DependencySpecifiers { get; set; }
 
     /// <summary>
     /// Gets or sets the status code of the last failed call.
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PypiMaxRetriesReachedTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PypiMaxRetriesReachedTelemetryRecord.cs
index b403aa1b9..089e2ab17 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PypiMaxRetriesReachedTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PypiMaxRetriesReachedTelemetryRecord.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class PypiMaxRetriesReachedTelemetryRecord : BaseDetectionTelemetryRecord
@@ -8,10 +7,10 @@ public class PypiMaxRetriesReachedTelemetryRecord : BaseDetectionTelemetryRecord
     /// <summary>
     /// Gets or sets the package Name (ex: pyyaml).
     /// </summary>
-    public string Name { get; set; }
+    public string? Name { get; set; }
 
     /// <summary>
     /// Gets or sets the set of dependency specifications that constrain the overall dependency request (ex: ==1.0, >=2.0).
     /// </summary>
-    public string[] DependencySpecifiers { get; set; }
+    public string[]? DependencySpecifiers { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PypiRetryTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PypiRetryTelemetryRecord.cs
index 8e1b1aca2..a882f03f7 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PypiRetryTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/PypiRetryTelemetryRecord.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 using System.Net;
@@ -10,12 +9,12 @@ public class PypiRetryTelemetryRecord : BaseDetectionTelemetryRecord
     /// <summary>
     /// Gets or sets the package Name (ex: pyyaml).
     /// </summary>
-    public string Name { get; set; }
+    public string? Name { get; set; }
 
     /// <summary>
     /// Gets or sets the set of dependency specifications that constrain the overall dependency request (ex: ==1.0, >=2.0).
     /// </summary>
-    public string[] DependencySpecifiers { get; set; }
+    public string[]? DependencySpecifiers { get; set; }
 
     /// <summary>
     /// Gets or sets the status code of the last failed call that caused the retry.
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/RustCrateDetectorTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/RustCrateDetectorTelemetryRecord.cs
index dd0bc62a8..8e795f587 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/RustCrateDetectorTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/RustCrateDetectorTelemetryRecord.cs
@@ -1,11 +1,10 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class RustCrateDetectorTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "RustCrateMalformedDependencies";
 
-    public string PackageInfo { get; set; }
+    public string? PackageInfo { get; set; }
 
-    public string Dependencies { get; set; }
+    public string? Dependencies { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/RustDetectionTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/RustDetectionTelemetryRecord.cs
index 708f3d9c7..85ffe6b92 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/RustDetectionTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/RustDetectionTelemetryRecord.cs
@@ -1,11 +1,10 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class RustDetectionTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "RustDetection";
 
-    public string DetectionMode { get; set; }
+    public string? DetectionMode { get; set; }
 
     public int SkippedCargoTomlCount { get; set; }
 
@@ -25,5 +24,5 @@ public class RustDetectionTelemetryRecord : BaseDetectionTelemetryRecord
 
     public bool OwnershipMapAvailable { get; set; }
 
-    public string SkipRatio { get; set; }
+    public string? SkipRatio { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/RustGraphTelemetryRecord.cs b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/RustGraphTelemetryRecord.cs
index 32e2ad0ad..2b2510287 100644
--- a/src/Microsoft.ComponentDetection.Common/Telemetry/Records/RustGraphTelemetryRecord.cs
+++ b/src/Microsoft.ComponentDetection.Common/Telemetry/Records/RustGraphTelemetryRecord.cs
@@ -1,21 +1,20 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Common.Telemetry.Records;
 
 public class RustGraphTelemetryRecord : BaseDetectionTelemetryRecord
 {
     public override string RecordName => "RustGraph";
 
-    public string CargoTomlLocation { get; set; }
+    public string? CargoTomlLocation { get; set; }
 
     public bool WasRustFallbackStrategyUsed { get; set; }
 
-    public string FallbackReason { get; set; }
+    public string? FallbackReason { get; set; }
 
     public bool FallbackCargoLockFound { get; set; }
 
-    public string FallbackCargoLockLocation { get; set; }
+    public string? FallbackCargoLockLocation { get; set; }
 
     public bool DidRustCliCommandFail { get; set; }
 
-    public string RustCliCommandError { get; set; }
+    public string? RustCliCommandError { get; set; }
 }
diff --git a/src/Microsoft.ComponentDetection.Contracts/BcdeModels/DependencyScope.cs b/src/Microsoft.ComponentDetection.Contracts/BcdeModels/DependencyScope.cs
index 8d7cea963..bbb56ab97 100644
--- a/src/Microsoft.ComponentDetection.Contracts/BcdeModels/DependencyScope.cs
+++ b/src/Microsoft.ComponentDetection.Contracts/BcdeModels/DependencyScope.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Contracts.BcdeModels;
 
 /// <summary>Used to communicate Dependency Scope of Component.
diff --git a/src/Microsoft.ComponentDetection.Contracts/DetectorClass.cs b/src/Microsoft.ComponentDetection.Contracts/DetectorClass.cs
index d67123ffd..becfa4f9f 100644
--- a/src/Microsoft.ComponentDetection.Contracts/DetectorClass.cs
+++ b/src/Microsoft.ComponentDetection.Contracts/DetectorClass.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Contracts;
 
 /// <summary>Class of detector, the names of which are converted into categories for all default detectors.</summary>
diff --git a/src/Microsoft.ComponentDetection.Contracts/ProcessingResultCode.cs b/src/Microsoft.ComponentDetection.Contracts/ProcessingResultCode.cs
index 02dfd8797..9836d635f 100644
--- a/src/Microsoft.ComponentDetection.Contracts/ProcessingResultCode.cs
+++ b/src/Microsoft.ComponentDetection.Contracts/ProcessingResultCode.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Contracts;
 
 /// <summary>Code used to communicate the state of a scan after completion.</summary>
diff --git a/src/Microsoft.ComponentDetection.Contracts/TypedComponent/ComponentType.cs b/src/Microsoft.ComponentDetection.Contracts/TypedComponent/ComponentType.cs
index ec324cc09..31b245d59 100644
--- a/src/Microsoft.ComponentDetection.Contracts/TypedComponent/ComponentType.cs
+++ b/src/Microsoft.ComponentDetection.Contracts/TypedComponent/ComponentType.cs
@@ -1,4 +1,3 @@
-#nullable disable
 namespace Microsoft.ComponentDetection.Contracts.TypedComponent;
 
 using System.Runtime.Serialization;
diff --git a/src/Microsoft.ComponentDetection.Detectors/dotnet/DotNetComponentDetector.cs b/src/Microsoft.ComponentDetection.Detectors/dotnet/DotNetComponentDetector.cs
index 0a0199ad2..3161372f4 100644
--- a/src/Microsoft.ComponentDetection.Detectors/dotnet/DotNetComponentDetector.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/dotnet/DotNetComponentDetector.cs
@@ -1,6 +1,5 @@
 namespace Microsoft.ComponentDetection.Detectors.DotNet;
 
-#nullable enable
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
diff --git a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV1.cs b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV1.cs
index f519629f3..9376af6aa 100644
--- a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV1.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV1.cs
@@ -1,4 +1,3 @@
-#nullable enable
 namespace Microsoft.ComponentDetection.Detectors.Npm.Contracts;
 
 using System.Collections.Generic;
diff --git a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV1Dependency.cs b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV1Dependency.cs
index 92c47e71b..690ea9174 100644
--- a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV1Dependency.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV1Dependency.cs
@@ -1,4 +1,3 @@
-#nullable enable
 namespace Microsoft.ComponentDetection.Detectors.Npm.Contracts;
 
 using System.Collections.Generic;
diff --git a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV2.cs b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV2.cs
index bef57a875..c06360cc6 100644
--- a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV2.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV2.cs
@@ -1,4 +1,3 @@
-#nullable enable
 namespace Microsoft.ComponentDetection.Detectors.Npm.Contracts;
 
 using System.Collections.Generic;
diff --git a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV2Dependency.cs b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV2Dependency.cs
index f0522ef22..ae3fd4867 100644
--- a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV2Dependency.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV2Dependency.cs
@@ -1,4 +1,3 @@
-#nullable enable
 namespace Microsoft.ComponentDetection.Detectors.Npm.Contracts;
 
 using System.Collections.Generic;
diff --git a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV2Package.cs b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV2Package.cs
index d668f0b3f..da67f44f6 100644
--- a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV2Package.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV2Package.cs
@@ -1,4 +1,3 @@
-#nullable enable
 namespace Microsoft.ComponentDetection.Detectors.Npm.Contracts;
 
 using System.Collections.Generic;
diff --git a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV3.cs b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV3.cs
index 714f19203..cfddf52b7 100644
--- a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV3.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV3.cs
@@ -1,4 +1,3 @@
-#nullable enable
 namespace Microsoft.ComponentDetection.Detectors.Npm.Contracts;
 
 using System.Collections.Generic;
diff --git a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV3Package.cs b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV3Package.cs
index 274e169d0..6f93f0891 100644
--- a/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV3Package.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/npm/Contracts/PackageLockV3Package.cs
@@ -1,4 +1,3 @@
-#nullable enable
 namespace Microsoft.ComponentDetection.Detectors.Npm.Contracts;
 
 using System.Collections.Generic;
diff --git a/src/Microsoft.ComponentDetection.Detectors/uv/UvDependency.cs b/src/Microsoft.ComponentDetection.Detectors/uv/UvDependency.cs
index 41a87fb5c..6e35866c2 100644
--- a/src/Microsoft.ComponentDetection.Detectors/uv/UvDependency.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/uv/UvDependency.cs
@@ -1,4 +1,3 @@
-#nullable enable
 namespace Microsoft.ComponentDetection.Detectors.Uv
 {
     public class UvDependency
diff --git a/src/Microsoft.ComponentDetection.Detectors/uv/UvLock.cs b/src/Microsoft.ComponentDetection.Detectors/uv/UvLock.cs
index c74fa149b..5000e1654 100644
--- a/src/Microsoft.ComponentDetection.Detectors/uv/UvLock.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/uv/UvLock.cs
@@ -1,4 +1,3 @@
-#nullable enable
 namespace Microsoft.ComponentDetection.Detectors.Uv
 {
     using System;
diff --git a/src/Microsoft.ComponentDetection.Detectors/uv/UvLockComponentDetector.cs b/src/Microsoft.ComponentDetection.Detectors/uv/UvLockComponentDetector.cs
index eef4a9a97..04acd9740 100644
--- a/src/Microsoft.ComponentDetection.Detectors/uv/UvLockComponentDetector.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/uv/UvLockComponentDetector.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 namespace Microsoft.ComponentDetection.Detectors.Uv
 {
     using System;
diff --git a/src/Microsoft.ComponentDetection.Detectors/uv/UvPackage.cs b/src/Microsoft.ComponentDetection.Detectors/uv/UvPackage.cs
index 1e7e4a33d..eae14bbde 100644
--- a/src/Microsoft.ComponentDetection.Detectors/uv/UvPackage.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/uv/UvPackage.cs
@@ -1,4 +1,3 @@
-#nullable enable
 namespace Microsoft.ComponentDetection.Detectors.Uv
 {
     using System.Collections.Generic;
diff --git a/src/Microsoft.ComponentDetection.Detectors/uv/UvSource.cs b/src/Microsoft.ComponentDetection.Detectors/uv/UvSource.cs
index 6c06b3625..53b975825 100644
--- a/src/Microsoft.ComponentDetection.Detectors/uv/UvSource.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/uv/UvSource.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 namespace Microsoft.ComponentDetection.Detectors.Uv
 {
     public class UvSource
diff --git a/src/Microsoft.ComponentDetection.Detectors/yarn/Contracts/YarnBerryLockfileEntry.cs b/src/Microsoft.ComponentDetection.Detectors/yarn/Contracts/YarnBerryLockfileEntry.cs
index 12f9ab14f..414a675b3 100644
--- a/src/Microsoft.ComponentDetection.Detectors/yarn/Contracts/YarnBerryLockfileEntry.cs
+++ b/src/Microsoft.ComponentDetection.Detectors/yarn/Contracts/YarnBerryLockfileEntry.cs
@@ -1,4 +1,3 @@
-#nullable enable
 namespace Microsoft.ComponentDetection.Detectors.Yarn.Contracts;
 
 using System.Collections.Generic;