Security guides your team can ship this week

12 concrete API security checks every developer should run, with Express and FastAPI code examples — from authentication to rate limiting to error handling.

Financial websites are high-value targets with strict compliance requirements. This guide covers the technical security controls every fintech team needs to implement — and audit continuously.

An open redirect vulnerability allows attackers to weaponize your trusted domain for phishing campaigns, OAuth token theft, and SSRF chains. This guide explains how they work and how to eliminate them.

Insecure deserialization is one of the most dangerous web vulnerabilities — a carefully crafted serialized object can trigger remote code execution on your server. This guide explains gadget chains, real-world exploits, and prevention strategies for Java, Python, and PHP.

Your GitHub repository is the source of truth for your entire application — and a prime target for supply-chain attacks. Here's how to protect it at every layer.

Single sign-on simplifies access but concentrates risk: a compromised IdP unlocks every application. This guide covers every SSO security risk and how to mitigate it.

The NIST Cybersecurity Framework 2.0 gives small and mid-sized businesses a structured way to manage web security without the overhead of full compliance certification. Here is how to apply all six functions to your website.

PCI DSS compliance is non-negotiable for any website that handles card payments. This guide breaks down the 12 requirements into actionable technical controls your team can implement today.

Learn how the Permissions-Policy HTTP header works, which browser features to restrict, and how to configure it on Nginx, Apache, Cloudflare, and Next.js.