Security guides your team can ship this week

A web shell gives attackers persistent backdoor access to your server. Learn how they're planted, how to detect them, and how to harden your site to prevent re-infection.

Step-by-step guide to adding the 6 most important HTTP security headers. Works for Nginx, Apache, Cloudflare, Vercel, and Next.js.

Session hijacking lets attackers impersonate authenticated users without needing their password. Here is every attack vector and how to close it.

Information disclosure vulnerabilities hand attackers the reconnaissance data they need to plan targeted attacks — technology stack, error messages, backup files, and more. Here's what to lock down.

The X-Content-Type-Options: nosniff header prevents MIME-type sniffing attacks. Learn what it does, why you need it, and how to add it in one minute.

Why startups are easy targets, the 10 security mistakes founders make most, and a stage-by-stage plan from pre-launch to scale that doesn't slow you down.

A comprehensive cloud security checklist covering all 8 critical domains — from IAM and network security to compliance and incident response — with specific controls for AWS, Google Cloud, and Azure environments.

Burp Suite is the industry standard for web application penetration testing. This tutorial walks you through setup, core tools, and when to use Burp versus a lightweight scanner like ZeriFlow.

Node.js security requires intentional configuration — the framework ships with no security defaults. This guide covers helmet.js, rate limiting, CORS, and input validation with real Express code.