Sergei Petrenko was born in 1968 in Kaliningrad (K¨onigsberg). In 1991, he graduated with honors from the Leningrad State University with a degree in mathematics and engineering. In 1997 – adjuncture and in 2003, he obtained his doctorate. The designer of information security systems of critical information objects: Three national Centers for Monitoring Information Security Threats and two Situational-Crisis Centers (RCCs) of domestic state; Three operators of special information security services MSSP (Managed Security Service Provider) and MDR (Managed Detection and Response Services) and two virtual trusted communication operators MVNO; More than 10 State and corporate segments of the System for Detection, Prevention and Elimination of the Effects of Computer Attacks (SOPCA) and the System for Detection and Prevention of Computer Attacks (SPOCA); Five monitoring centers for information security threats and responding to information security incidents CERT (Computer Emergency Response Team) and CSIRT (Computer Security Incident Response Team) and two industrial CERT industrial Internet IIoT/IoT. Head of the State Scientific School "Mathematical and Software Support of Critical Objects of the Russian Federation". Expert of the Section on Information Security Problems of the Scientific Council under the Security Council of the Russian Federation. Scientific Editor of the magazine "Inside. Data protection". Doctor of Technical Sciences, Professor. It is part of the management of the Interregional Public Organization Association of Heads of Information Security Services (ARSIB), an independent non-profit organization Russian Union of IT Directors (SODIT). Author and co-author of 14 monographs and practical manuals of publishing houses "Springer Nature Switzerland AG", "River Publishers", "Peter", "Athena" and "DMK-Press": "Big Data Technologies for Monitoring of Computer Security: A Case Study of the Russian Federation", "Cyber Resilience", "Cyber Security Innovation for the Digital Economy: A Case Study of the Russian Federation", "Methods of information protection in the Internet", "Methods and technologies of information security of critical objects of the national infrastructure", "Methods and technologies of cloud security", "Audit of corporate Internet/Internet security", "Information Risk Management", "Information Security Policies" and more than 350 articles on information security issues (Proceedings of ISA RAS and SPIIRAS, journals "Cybersecurity issues", "Information security problems", "Open systems", "Inside: Information protection", "Security systems", "Electronics", "Communication Bulletin", "Network Journal", "Connect World of Connect", etc.).