Mail.ru is the most popular e-mail service in Russia according to Mediascope and the downloads in app stores. The number of send e-mails exceeds 380 million per day.

The center of Mail.Ru is the user and his tasks. You can pay a fine, replenish mobile phone balance, or transfer money — all of this can be done in the mailbox in a couple of clicks today.

The security of the service is of high importance as well. The best experts in information security are involved to improve protection against cyber threats.

Sberbank Cyber Security (SCS) — is a dream team of top-notch cybersecurity professionals with unique knowledge and skills. Sberbank provides services to more than 150 mn customers globally. Protecting the infrastructure of such company and its customers is a major challenge. Working in SCS means working on unforgettable projects in a unique environment that enables the team members to grow, improve their skills and use state-of-the-art technologies. SOC monitors billions of cyber events per day, ensures 0-minute downtime for banking systems and services by protecting them from cyberattacks, and enables continuous operations for Sberbank customers. Equipped with the largest AI-based antifraud system, the SCS can not only monitor suspicious transactions and inform customers about them but also warn them if some fraudsters are trying to use social engineering techniques on them. Our in-house Red Team helps to strengthen our protection system before a real criminal takes advantage of a vulnerability.

QIWI is a leading provider of next generation payment and financial services in Russia and the CIS. It has an integrated proprietary network that enables payment services across online, mobile and physical channels. It has deployed over 20.8 million virtual wallets, over 143,000 kiosks and terminals, and enabled merchants and customers to accept and transfer over RUB 94 billion cash and electronic payments monthly connecting over 45 million consumers using its network at least once a month. QIWI’s consumers can use cash, stored value and other electronic payment methods in order and pay for goods and services or transfer money across virtual or physical environments interchangeably.

Swordfish Security is the leader on the consulting services market of the digital transformation of secure software engineering processes and SSDL (Secure Software Development Lifecycle) practices implementation. The main company’s specialization is to help our Clients to create secure software by adapting and implementing SSDL practices, which guarantees the premium security level for applications while DevSecOps automation ensures the effectiveness secure software engineering process. Swordfish Security delivers value to the Clients in tight collaboration its key partners – DevSecOps industry leaders: Checkmarx и Sonatype.

VisionLabs is a team of Computer Vision and Machine Learning experts. We specialize in developing products and solutions in the areas of face recognition, object recognition, augmented reality and virtual reality.

Our products are based on state-of-the-art algorithms and technologies developed solely by VisionLabs. The quality of our products is proven by numerous implementations and by the independent third-party face recognition engines tests. Together with our respected Partners we deliver solutions globally to the security, retail, banking, transportation and other industries.

AeroCTF is a cybersecurity competition based on Moscow State Technical University of Civil Aviation. Challenges have aviation theme and include challenges like: Pwn, Reverse, Crypto, Web, Hardware. Our mission — using game form for education and show what is cybersecurity and what is specific it have.

Codeby.net is 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.

CTF.Moscow is an all-Russian cybersecurity contest. A gathering for active and committed young specialists in the field of cybersecurity. A forum site where leading specialists from Russia share their experience with the new generation of cybersecurity professionals. Location: Moscow.

This is the Telegram channel dedicated to various aspects of information security and related technologies. We are focused on information security, network and web security, reverse engineering, social engineering and other cybersecurity spaces. Take care of information security and explore new areas of knowledge with us.

DC8800 is a non-profit group made up of independent IT security researchers. This is a phenomenon birthed out of sheer enthusiasm, fun, friendships and meet-ups at the bar. The main idea of DC8800 is that it’s a decentralized anonymous group without any leaders, just enjoying a great time, loving the mood and having a laugh. DC8800 team members are professionals in the following areas: double clicking, web security, cooking, binary vulnerabilities, framing carpentry, social engineering and sociopathy, breeding brachypelma smithi, database security and other cool things. Age of DC8800 members is between 12 and 58 years.

The Nizhny Novgorod DEFCON group (DC7831) unites people interested in the study and unusual use of modern technology, often in the scope of information security — that is, everything understood by the term «hacking» in the broad and positive sense of the word. The community is open to everyone, regardless of your knowledge capacity, gender, age, etc. — everyone who wants to learn about new things, help others to progress and simply communicate with the people of the same culture is welcome.

Exploitex is a telegram-channel about information security and hacking. We will talk about how to hack the most complex systems and how to protect your data from third parties. We cover not only the theoretical side of hacking, but also its practical application.

Hacker News — a community-generated news feed on information security, hackers, vulnerabilities and breaches.

Forsighten is a telegram-channel about information security and hacking. We cover the dark side of the global web: hacker attacks, information leaks, ruthless viruses and much more. We show in practice how not to fall for hackers’ tricks and prevent leakage of personal data.

IT Sec Pro Course is a platform for specialists, students, enthusiasts in the information security field. The main objectives of IT Sec Pro Course are to provide a platform for participants to share experiences and knowledge. IT Sec Pro Course is an open and private meetings and also different courses in universities.

Noise Security Bit — casual podcast about the life of researchers on both sides of the Antlantic.

SPbCTF is an open and independent CTF player community in St. Petersburg, Russia. It makes free-to-join meetups and trainings on competitive hacking, YouTube courses, events and contests. Seasoned CTF players with 11-year experience (teams LC↯BC, SiBears, PeterPen, Yozik) tell students about the infosec contests to snatch them from ICPC's hands and introduce them to hacking culture.

r0 Crew is a community of low-level information security researchers (reverse engineering, researching viruses and exploits). The main goal of the community is to create a supportive environment for gatherings, communication, and exchange of experience.

RUSCADASEC is an independent non-profit initiative on developing the open Russian-speaking international community of industrial cyber security / ICS / SCADA cyber security professionals. The initiative objectives are to raise the awareness and expertise of security and industrial automation specialists, to facilitate professional networking between specialists and organizations, to promote a security market, to develop relationship with like-minded foreign communities and increase general level of cybersecurity in industrial companies as a main goal.

SYS-ADMIN CHANNEL is a cognitive telegram-channel focused on news and global articles about information security / information technology. The channel originated from a forum of system administrators which is turning 10 years old this year. The community consists of system administrators, information security specialists and developers. The main goal is to provide assistance in solving any kind of IT problems, as well as to develop and expand IT knowledge / skills.

VolgaCTF — an international cybersecurity contest. The meeting place for active and committed young specialists in the field of cyber security. The forum site where leading specialists both from Russia and from abroad share their experience with the new generation of cyber security professionals. Location: Samara.

ANTICHAT is one of the oldest and largest forums dedicated to information security, particularly in web applications. Its history begins in 2001, where their main directions were programming, web application security, anonymity, SEO and wireless technologies. At the moment, many forum participants are leading experts in the field of information security in Russia and the CIS countries, as well as around the world.

This telegram-channel is about hacking and information security. The posts consist of theoretical and practical bases for finding and exploiting vulnerabilities. There are also solutions for many CTF tasks, mainly from the Reverse/Pwn/Web categories.