forum.duty-free.cc is a Russian-language forum focused on information security and hacking-related topics, where users discuss penetration testing, vulnerabilities, exploits, OSINT, and real-world cases. The platform presents itself as a community of cybersecurity professionals and enthusiasts who share experience, publish articles, and discuss methods of defense and attack; however, it exists at the intersection of legitimate security research and the underground scene, so topics related to gray or controversial practices may also appear.
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