Hide specific div from unauthenticated users in Thymeleaf

If you are using Spring Boot 2.1.x or latest version .Then you you can add thymeleaf-extras-springsecurity been in your POM.xml file.

This is the Maven link:

https://mvnrepository.com/artifact/org.thymeleaf.extras/thymeleaf-extras-springsecurity5

<dependency>
    <groupId>org.thymeleaf.extras</groupId>
    <artifactId>thymeleaf-extras-springsecurity5</artifactId>
    <version>3.0.4.RELEASE</version>
</dependency>

Then update your Maven repository. If it is successful then you can use th:authenctication tag in your HTML div content.