diff --git a/pkg/fanal/secret/builtin-rules.go b/pkg/fanal/secret/builtin-rules.go
index b868967b669..4c434e89253 100644
--- a/pkg/fanal/secret/builtin-rules.go
+++ b/pkg/fanal/secret/builtin-rules.go
@@ -68,6 +68,7 @@ var (
 	CategoryLinkedIn             = types.SecretRuleCategory("LinkedIn")
 	CategoryTwitch               = types.SecretRuleCategory("Twitch")
 	CategoryTypeform             = types.SecretRuleCategory("Typeform")
+	CategoryDocker               = types.SecretRuleCategory("Docker")
 )
 
 // Reusable regex patterns
@@ -792,4 +793,13 @@ var builtinRules = []Rule{
 		SecretGroupName: "secret",
 		Keywords:        []string{"typeform"},
 	},
+	{
+		ID:              "dockerconfig-secret",
+		Category:        CategoryDocker,
+		Title:           "Dockerconfig secret exposed",
+		Severity:        "HIGH",
+		Regex:           MustCompile(`(?i)(\.(dockerconfigjson|dockercfg):\s*\|*\s*(?P<secret>(ey|ew)+[A-Za-z0-9\/\+=]+))`),
+		SecretGroupName: "secret",
+		Keywords:        []string{"dockerc"},
+	},
 }
diff --git a/pkg/fanal/secret/scanner_test.go b/pkg/fanal/secret/scanner_test.go
index 659b1f91a17..2fe6c773634 100644
--- a/pkg/fanal/secret/scanner_test.go
+++ b/pkg/fanal/secret/scanner_test.go
@@ -526,6 +526,68 @@ func TestSecretScanner(t *testing.T) {
 			},
 		},
 	}
+	wantFindingDockerKey1 := types.SecretFinding{
+		RuleID:    "dockerconfig-secret",
+		Category:  secret.CategoryDocker,
+		Title:     "Dockerconfig secret exposed",
+		Severity:  "HIGH",
+		StartLine: 4,
+		EndLine:   4,
+		Match:     "  .dockercfg: ************",
+		Code: types.Code{
+			Lines: []types.Line{
+				{
+					Number:      2,
+					Content:     "  .dockerconfigjson: ************",
+					Highlighted: "  .dockerconfigjson: ************",
+				},
+				{
+					Number:      3,
+					Content:     "data2:",
+					Highlighted: "data2:",
+				},
+				{
+					Number:      4,
+					Content:     "  .dockercfg: ************",
+					Highlighted: "  .dockercfg: ************",
+					IsCause:     true,
+					FirstCause:  true,
+					LastCause:   true,
+				},
+			},
+		},
+	}
+	wantFindingDockerKey2 := types.SecretFinding{
+		RuleID:    "dockerconfig-secret",
+		Category:  secret.CategoryDocker,
+		Title:     "Dockerconfig secret exposed",
+		Severity:  "HIGH",
+		StartLine: 2,
+		EndLine:   2,
+		Match:     "  .dockerconfigjson: ************",
+		Code: types.Code{
+			Lines: []types.Line{
+				{
+					Number:      1,
+					Content:     "data1:",
+					Highlighted: "data1:",
+				},
+				{
+					Number:      2,
+					Content:     "  .dockerconfigjson: ************",
+					Highlighted: "  .dockerconfigjson: ************",
+					IsCause:     true,
+					FirstCause:  true,
+					LastCause:   true,
+				},
+				{
+					Number:      3,
+					Content:     "data2:",
+					Highlighted: "data2:",
+				},
+			},
+		},
+	}
 	wantMultiLine := types.SecretFinding{
 		RuleID:    "multi-line-secret",
 		Category:  "general",
@@ -609,6 +671,15 @@ func TestSecretScanner(t *testing.T) {
 				Findings: []types.SecretFinding{wantFindingAsymmetricPrivateKeyJson},
 			},
 		},
+		{
+			name:          "find Docker registry credentials",
+			configPath:    filepath.Join("testdata", "skip-test.yaml"),
+			inputFilePath: filepath.Join("testdata", "docker-secrets.txt"),
+			want: types.Secret{
+				FilePath: filepath.Join("testdata", "docker-secrets.txt"),
+				Findings: []types.SecretFinding{wantFindingDockerKey1, wantFindingDockerKey2},
+			},
+		},
 		{
 			name:          "include when keyword found",
 			configPath:    filepath.Join("testdata", "config-happy-keywords.yaml"),
diff --git a/pkg/fanal/secret/testdata/docker-secrets.txt b/pkg/fanal/secret/testdata/docker-secrets.txt
new file mode 100644
index 00000000000..9bd5b12cfd3
--- /dev/null
+++ b/pkg/fanal/secret/testdata/docker-secrets.txt
@@ -0,0 +1,4 @@
+data1:
+  .dockerconfigjson: eyE1x2a3MpLe
+data2:
+  .dockercfg: ewE1x2a3MpLe
\ No newline at end of file