This cheat sheet outlines 10 essential practices for securing Java applications. It covers secure coding techniques such as using parameterized queries to prevent SQL injection, sanitizing all user input, and properly handling sensitive data. The code snippets on the page demonstrate safe implementations like prepared statements and disabling risky XML parser features to prevent XXE attacks. It also highlights avoiding insecure Java serialization, using strong encryption (e.g., BCrypt/SCrypt), and enabling the Java security manager. Finally, it emphasizes dependency scanning and centralized logging/monitoring to detect threats early. The key takeaway is that secure Java development requires a mix of defensive coding, secure configurations, and continuous monitoring practices.

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