Web Security
28 sites
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://bad.download/
The personal site of bad.download, a tech-industry professional who writes about cybersecurity, privacy, digital preservation, and generative AI models. Minimal but thoughtful in scope, it features links to personal projects like a Discord bot using GPT-4 Vision alongside old-school web nostalgia banners for Firefox, AIM, and WinRAR.
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.
http://zensur.freerk.com/
Created by Freerk, this comprehensive tutorial covers dozens of techniques for bypassing internet censorship, including proxies, shell accounts, JAP, and circumventing blocked ports in schools, workplaces, and countries with restrictive filtering. It documents specific censorware products like NetNanny, WebSense, and DansGuardian, making it a rare and detailed reference for anyone facing restricted internet access.
https://shellsharks.com/
Mike's digital garden at Shellsharks covers infosec research, technology, and personal life across a richly interconnected set of blogs, notebooks, and logs. A self-described 'Internet homesteader,' Mike has built an expansive personal web presence complete with a podcast, linklog, devlog, and Fediverse integration that makes it a compelling destination for security-minded web explorers.
https://technicalinfo.net/tools/index.html
TechnicalInfo.net by Gunter Ollmann offers a comprehensive toolkit for passive information gathering, including domain WHOIS lookups, DNS records, IP address lookups, traceroutes, and bandwidth speed tests. The collection is aimed at security researchers and network administrators, with tools organized around reconnaissance techniques and network analysis.
https://clsc.net/articles/google-302-page-hijack.php
Written by Claus Schmidt in 2005, this technical article exposes the '302 page hijack' exploit, a method by which malicious webmasters could use server redirects to displace competitors' pages from search engine results. It covers how the attack works, which search engines were vulnerable, and practical precautions both victims and potential hijackers can take.
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.
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://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.