Web Security
28 sites
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://notrace.how/
The No Trace Project is a multilingual security resource for anarchists and activists, providing tools to understand surveillance capabilities, counter infiltration, and practice operational security. It features a threat library, a database of known infiltrators, documented cases of hidden surveillance devices, and zines covering counter-repression strategies across more than a dozen languages.
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://seclists.org/fulldisclosure/2009/Sep/39
An archived post from the Full Disclosure security mailing list, documenting a critical SMB2.0 vulnerability in Windows Vista and Windows 7 discovered by Laurent Gaffié in 2009. The post includes a proof-of-concept Python script that triggers a remote Blue Screen of Death by sending a malformed SMB header, making it a valuable historical reference for security researchers.
https://vzqk50.com/
The Hive is the personal corner of Apis Necros, a cybersecurity enthusiast who writes about cryptography, hacking, philosophy, and general life alongside showcasing original JavaScript prototypes and cipher experiments. Notable projects include a self-designed PentaBit Cipher and a Diffusion-limited Aggregation simulation, making this a genuinely curious blend of technical creativity and indie web spirit.
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://gnucitizen.org/blog/hacking-the-interwebs
GNUCITIZEN is a security research blog by pdp and collaborators, focused on exposing web vulnerabilities including UPnP exploitation, XSS attacks, and router reconfiguration weaknesses. This 2008 post details a serious design-level flaw allowing UPnP to be abused across the web without XSS, making it a compelling read for anyone interested in network security research.
http://myappsecurity.blogspot.com/2007/01/ajax-sniffer-prrof-of-concept.html
Anurag Agarwal's threat modeling blog dives into real-world web security vulnerabilities, including this post presenting a working proof-of-concept Ajax sniffer that overrides XMLHttpRequest to intercept and exfiltrate data. The site covers topics like XSS, Ajax worms, SQL injection, clipboard theft, and secure SDLC integration, making it a valuable technical resource for security researchers and developers.