diff --git a/security-module-spring-boot-starter/.gitignore b/security-module-spring-boot-starter/.gitignore
new file mode 100644
index 0000000..549e00a
--- /dev/null
+++ b/security-module-spring-boot-starter/.gitignore
@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
diff --git a/security-module-spring-boot-starter/pom.xml b/security-module-spring-boot-starter/pom.xml
new file mode 100644
index 0000000..f2c8aef
--- /dev/null
+++ b/security-module-spring-boot-starter/pom.xml
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.7.2</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.howtodoinjava</groupId>
+	<artifactId>security-module-spring-boot-starter</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>security-module-spring-boot-starter</name>
+	<description>Demo project for Spring Boot</description>
+	<properties>
+		<java.version>11</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+			<scope>runtime</scope>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+		      	<groupId>org.springframework.boot</groupId>
+		      	<artifactId>spring-boot-autoconfigure</artifactId>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
diff --git a/security-module-spring-boot-starter/src/main/java/com/howtodoinjava/securitymodule/SecurityModuleSpringBootStarterApplication.java b/security-module-spring-boot-starter/src/main/java/com/howtodoinjava/securitymodule/SecurityModuleSpringBootStarterApplication.java
new file mode 100644
index 0000000..aeb6636
--- /dev/null
+++ b/security-module-spring-boot-starter/src/main/java/com/howtodoinjava/securitymodule/SecurityModuleSpringBootStarterApplication.java
@@ -0,0 +1,13 @@
+package com.howtodoinjava.securitymodule;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SecurityModuleSpringBootStarterApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SecurityModuleSpringBootStarterApplication.class, args);
+	}
+
+}
\ No newline at end of file
diff --git a/security-module-spring-boot-starter/src/main/java/com/howtodoinjava/securitymodule/config/SecurityAutoConfiguration.java b/security-module-spring-boot-starter/src/main/java/com/howtodoinjava/securitymodule/config/SecurityAutoConfiguration.java
new file mode 100644
index 0000000..1223d25
--- /dev/null
+++ b/security-module-spring-boot-starter/src/main/java/com/howtodoinjava/securitymodule/config/SecurityAutoConfiguration.java
@@ -0,0 +1,20 @@
+package com.howtodoinjava.securitymodule.config;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import com.howtodoinjava.securitymodule.service.AuthenticationService;
+import com.howtodoinjava.securitymodule.service.AuthenticationServiceImpl;
+
+@Configuration
+@ConditionalOnClass(AuthenticationService.class)
+public class SecurityAutoConfiguration {
+
+	@ConditionalOnMissingBean
+	@Bean
+	public AuthenticationService callAuth() {
+		return new AuthenticationServiceImpl();
+	}
+}
\ No newline at end of file
diff --git a/security-module-spring-boot-starter/src/main/java/com/howtodoinjava/securitymodule/service/AuthenticationService.java b/security-module-spring-boot-starter/src/main/java/com/howtodoinjava/securitymodule/service/AuthenticationService.java
new file mode 100644
index 0000000..8e75a8c
--- /dev/null
+++ b/security-module-spring-boot-starter/src/main/java/com/howtodoinjava/securitymodule/service/AuthenticationService.java
@@ -0,0 +1,7 @@
+package com.howtodoinjava.securitymodule.service;
+
+public interface AuthenticationService {
+
+	public void authCheck();
+	
+}
diff --git a/security-module-spring-boot-starter/src/main/java/com/howtodoinjava/securitymodule/service/AuthenticationServiceImpl.java b/security-module-spring-boot-starter/src/main/java/com/howtodoinjava/securitymodule/service/AuthenticationServiceImpl.java
new file mode 100644
index 0000000..c4e0bd2
--- /dev/null
+++ b/security-module-spring-boot-starter/src/main/java/com/howtodoinjava/securitymodule/service/AuthenticationServiceImpl.java
@@ -0,0 +1,9 @@
+package com.howtodoinjava.securitymodule.service;
+ 
+public class AuthenticationServiceImpl implements AuthenticationService {
+
+	@Override
+	public void authCheck() {
+		System.out.println("Authentication check...");
+	}
+}
\ No newline at end of file
diff --git a/security-module-spring-boot-starter/src/main/resources/META-INF/spring.factories b/security-module-spring-boot-starter/src/main/resources/META-INF/spring.factories
new file mode 100644
index 0000000..32a5710
--- /dev/null
+++ b/security-module-spring-boot-starter/src/main/resources/META-INF/spring.factories
@@ -0,0 +1 @@
+org.springframework.boot.autoconfigure.EnableAutoConfiguration = com.howtodoinjava.securitymodule.config.SecurityAutoConfiguration
\ No newline at end of file
diff --git a/security-module-spring-boot-starter/src/main/resources/application.properties b/security-module-spring-boot-starter/src/main/resources/application.properties
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/security-module-spring-boot-starter/src/main/resources/application.properties
@@ -0,0 +1 @@
+