Web Security
28 sites
https://websec.ca/kb/sql_injection
A comprehensive reference covering SQL injection techniques across MySQL, MSSQL, Oracle, and other database platforms, with detailed cheat sheets for testing, exploitation, obfuscation, and prevention. The Knowledge Base is organized as a dense technical reference for security researchers and penetration testers, covering everything from basic injection testing to advanced topics like out-of-band channeling and password cracking.
https://fyr.io/
Matt is a UK sysadmin who runs this ever-evolving personal site covering infosec, the indieweb movement, and life both on and offline. The site features multiple custom themes, a changelog documenting its evolution, technical guides, and a curated collection of favourite corners of the internet to explore.
https://singe.za.net/blog/archives/1016-Killing-the-Evercookie-Part2-MobileSafari.html
Dominic White's technical blog dives into browser privacy and tracking vulnerabilities, with this post investigating how the Evercookie persistent tracking mechanism operates on iOS MobileSafari and embedded WebKit apps. The research reveals significant privacy gaps in Apple's mobile platform and offers practical steps for jailbroken iPhone users to defend against supercookies.
http://2013.brucon.org/index.php
BruCON 0x05 is the 2013 edition of Belgium's annual information security conference, bringing together researchers, professionals, and hackers for two days of talks, workshops, and hands-on training. The site archives the full conference schedule, training sessions on topics like PDF hacking and injection flaws, ticketing info, and sponsor listings from the event held in September 2013.
https://joyofcryptography.com/
The Joy of Cryptography is a free online undergraduate textbook by Mike Rosulek, published by MIT Press, covering provable security from one-time pads and pseudorandomness through RSA, zero-knowledge proofs, and post-quantum cryptography. The first three chapters are available under a Creative Commons license, with the remaining chapters releasing in July 2026, making it an invaluable open resource for students and educators alike.
https://mfzx.net/
Maxwell S. Fritz's personal site covers their work and interests in cybersecurity, software engineering, telecommunications, and amateur radio, with a strong emphasis on privacy as a fundamental human right. Visitors will find links to projects, a directory, updates, and connections to webrings like The Hacker Webring and IndieWeb Webring.
https://emailselfdefense.fsf.org/en
Published by the Free Software Foundation, Email Self-Defense is a step-by-step guide teaching readers how to encrypt their email using GnuPG to resist bulk surveillance and protect their privacy. Available in over 15 languages, the guide walks users through setting up encryption on Mac, Windows, and Linux with clear illustrated steps and an accompanying infographic.
https://sqlninja.sourceforge.net/
Sqlninja is an open-source penetration testing tool designed to exploit SQL Injection vulnerabilities in web applications backed by Microsoft SQL Server, automating the process of gaining remote access to vulnerable database servers. Created by 'icesurfer', it includes attack modules, a Metasploit wrapper, DNS tunneling for data extraction, and even a hidden Easter Egg that streams music.
https://cgisecurity.com/
CGISecurity.com bills itself as the oldest application security site online, predating OWASP, and covers topics ranging from XSS and CSRF to cryptography, web application firewalls, and vulnerability research. Run by Robert Auger, the site offers advisories, research papers, security tool roundups, and a deep archive of industry news and commentary stretching back to 2001.
https://werewolves.world/
Fallon (also known as grimm or asclepius) is a 21-year-old security researcher and malware developer who specializes in CTF competitions, exploit development, and adversarial emulation using C and Go. The site doubles as a hub for their many creative pursuits, including electronic music production under several monikers and self-hosted fediverse and Matrix instances.