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Security

How to Run a Software Security Assessment

A software security assessment is a structured evaluation of an application's security posture across code, dependencies, configuration, and process. Here is how to run one that produces action, not a PDF.

Apr 12, 20266 min read
Security

Secure Usage of Authorized Code Repositories: A Practical Guide

Secure usage of authorized code repositories means controlling who can access source, protecting branches, scanning for secrets, and treating the repo as production infrastructure. Here is how.

Apr 11, 20266 min read
Security

Jakarta and Java: A Security Guide to the Namespace Migration

Jakarta Java is the successor to Java EE, and the javax-to-jakarta namespace shift has real security implications for anyone still running the old libraries.

Apr 11, 20266 min read
Security

Vulnerable Websites List: Legal Sites to Practice Security Testing

A curated vulnerable websites list of intentionally insecure apps and labs built for legal, hands-on security practice — plus the rules that keep your training from becoming a crime.

Apr 11, 20265 min read
Security

Vulnerability Checker: How to Scan Your Code and Websites for Flaws

What a vulnerability checker does, the different kinds (dependency, website, container), and how to choose and use one to actually reduce risk rather than generate noise.

Apr 11, 20266 min read
Security

Serialize vs Deserialize: A Practical Comparison and Why Deserialization Is the Risky One

Serialize turns an object into bytes; deserialize turns bytes back into an object. The comparison matters for security because deserializing untrusted data in Java has caused some of the worst RCE bugs on record.

Apr 11, 20266 min read
Security

How to Avoid NullPointerException in Java

The NullPointerException is Java's most common runtime crash. Here is how to avoid it with Optional, defensive coding, and the tools that catch nulls early.

Apr 11, 20265 min read
Security

JavaScript Injection Attack: How It Works and How to Stop It

A JavaScript injection attack runs attacker-controlled script in a victim's browser or a Node.js process. Here is how the attack class works and the defenses that actually neutralize it.

Apr 11, 20266 min read
Security

VS Code Proxy Settings: How to Configure and Secure Them

How to configure VS Code proxy settings for corporate networks, the difference between http.proxy and environment variables, and the security pitfalls to avoid.

Apr 11, 20266 min read

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