Security guides your team can ship this week

Hardcoded API keys in source code are one of the most common and costly security mistakes in software development. This guide shows you how to find them with grep and automated tools, remove them from git history, and prevent them from appearing again.

Formjacking attacks inject skimmer scripts into your payment forms to silently steal card numbers. Learn how Content Security Policy and Subresource Integrity stop Magecart cold.

A website security audit does not need to be expensive or time-consuming if you follow a structured process. This step-by-step guide walks through everything from scope definition to remediation tracking, with the right tools for each phase.

Missing email authentication records are one of the most common findings on security audits and the primary reason domains get spoofed for phishing. Setting up SPF, DKIM, and DMARC takes under an hour and dramatically reduces the risk of your domain being used in attacks.

Secret scanning catches API keys, passwords, and tokens accidentally committed to source code — before attackers find them. This guide covers every major tool and how to build a defense-in-depth secret detection strategy.

Using a wildcard CORS policy is one of the most common security mistakes in Node.js APIs. This guide explains what CORS actually does, why * is dangerous when paired with credentials, and how to configure a secure origin allowlist.

Insecure cookies are one of the most common and exploitable misconfigurations in Node.js web applications. Understanding and correctly setting HttpOnly, Secure, and SameSite is non-negotiable for any session-handling application.

Content Security Policy is the most powerful XSS defense available, but it is also the header most likely to break third-party integrations. This guide shows you how to build a strict CSP in Next.js that works with Stripe, Google Analytics, fonts, and more.

Security headers are the fastest way to harden a Next.js application. This guide covers all seven essential headers with production-ready configuration for both App Router and Pages Router.