Report URI : Report URI was founded to take the pain out of monitoring security policies like CSP and HPKP. When you can easily monitor what's happening on your si...
XSS Filter Evasion Cheat Sheet - OWASP : This article is focused on providing application security testing professionals with a guide to assist in Cross Site Scripting testing.
The Big List of Naughty Strings : The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.
HTTP Archive : The HTTP Archive tracks how the Web is built.
This article explains what secure headers are and how to implement these headers in Rails, Django, Express.js, Go, Nginx, and Apache.