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    • Security
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Labs

Session Management for Java Applications

In this lab, you'll practice implementing secure session management in Java web applications. When you're finished, you'll have a web application that's protected against common session-based attacks.

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Lab platform
Lab Info
Level
Beginner
Last updated
Jul 30, 2025
Duration
55m

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Table of Contents
  1. Challenge

    Getting Started in the Lab Environment

    Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!

  2. Challenge

    Understanding Session Management Vulnerabilities in Java

    In this challenge, you will learn about Java deserialization vulnerabilities in web applications. You'll review vulnerable code snippets and understand how attackers can exploit the standard ObjectInputStream to execute malicious code on a server.

  3. Challenge

    Understanding Cookie Security and Safe Deserialization Approaches

    In this challenge, you'll learn about cookie security attributes and their importance in preventing web attacks. You'll explore how the HttpOnly, Secure, and SameSite attributes help protect against XSS, network sniffing, and CSRF attacks, respectively.

  4. Challenge

    Implementing Secure Deserialization

    In this challenge, you will implement secure deserialization using ValidatingObjectInputStream. You'll modify vulnerable code to define a whitelist of trusted classes that can be safely deserialized, preventing potential remote code execution attacks.

  5. Challenge

    Configuring Secure Session Cookies

    In this challenge, you will configure secure session cookies by implementing the HttpOnly, Secure, and SameSite attributes. You'll modify cookie settings to protect against common web security vulnerabilities that could compromise user sessions.

  6. Challenge

    Knowledge Check for Secure Session Management in Java

    In this challenge, you will test your understanding of secure session management principles through assessment questions. You'll demonstrate knowledge of deserialization security, cookie attributes, and best practices for protecting web applications.

About the author

Angel Sayani is a Certified Artificial Intelligence Expert®, CEO of IntellChromatics, author of two books in cybersecurity and IT certifications, world record holder, and a well-known cybersecurity and digital forensics expert.

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