A DEFCON group that unites people interested in the study and unusual use of modern technology, often in the scope of information security—that is, everything “hacking” in the broad and positive sense of the word. The community is open to everyone, regardless of knowledge capacity, gender, age, etc.—anyone who wants to learn about new things, help others to progress, and simply communicate with the people of the same culture is welcome

One of the oldest and largest forums dedicated to information security, particularly in web applications. Its history begins in 2001, where its main focus was on programming, web application security, anonymity, SEO, and wireless technologies. Many of the current forum participants are leading experts in the field of information security in Russia, CIS, and around the world

An open and independent competitive hacking community originating in St. Petersburg. It unites enthusiasts and professionals in offensive and defensive security with a passion to hone their cybersecurity mastery.

Battle-hardened CTF players and industry experts give open lectures and CTF trainings, publish educational series on YouTube, organize events for companies, and do creative stuff at conferences.

A community-generated news feed on information security, hackers, vulnerabilities, and breaches

A portal that brings together programmers, information security specialists, ethical hackers, and professionals in a wide variety of IT fields. The portal presents its own developments and research in information security, the latest news from the world of IT, reviews on hardware and software

A Minsk‑based association for amateurs, professionals, and basically anyone interested in information security. It’s all about breaking the breakable and trying to improve security of the non‑breakable

An open community with the purpose of spreading and exchanging knowledge in the area of information security. In its chat, anyone can ask every question possible (corresponding to the community issue). Also, the community posts news, event previews, and quests in the Telegram channel. Once a month, DC7495 gathers offline meetups so anyone interested could take part in making or listening to a report, or just hang out for some networking and informal communication

An international cybersecurity contest. The meeting place for active and committed young specialists. The forum’s website is a platform for leading specialists both from Russia and abroad to share their experience with the new generation of cybersecurity professionals. Location: Samara

A cognitive Telegram channel focused on news and global articles about information security and information technology. The channel originated from a forum of system administrators, which is turning 12 years this year.

The community consists of system administrators, information security specialists, and developers. The channel’s main goal is to provide assistance in solving any kind of IT problems, as well as to develop and expand IT knowledge/skills.

An original content channel in Telegram covering system administration, DevOps, and useful ins and outs of information security

Yet another hacker without an authorization letter

News from the world of mobile app security, interesting articles, tool reviews, reports, meetups, and much more

Open-source intelligence as a frame of thinking. A community for enthusiasts of tools research and development

A DEFCON community in Perm, Russia, that brings together IT enthusiasts and specialists. The group holds meetups in their hacker space, develops a culture of cybersecurity, works on shared projects, and has fun

This community is for those interested in learning technologies and making unorthodox use of them. It also focuses on cybersecurity and everything related to “hacking” in its positive sense.

An eLEETe community of deverse pros from various regions that enjoys regular private meetups in Moscow and St. Petersburg.

A DEFCON community in Penza that connects IT enthusiasts interested in the inner workings and underlying functional principles of modern software and hardware systems and networks.

The community promotes legitimate and ethical research into an efficient use of information technologies aimed at improving the quality and security of software and hardware solutions in development. It welcomes anyone who is eager to learn and share their knowledge and discoveries.