Sergey is a junior security consultant at WithSecure and a mathematics student at the University of Helsinki. He enjoys finding vulnerabilities and helping others report the ones they've found. In 2023, after being active for a few years, he joined the board of Testausserveri ry, an organisation that helps direct young people to become ethical hackers, programmers, and professionals, instead of going into cybercrime. He organises events and has worked on Cybercrime Exit, a project organised by the National Bureau of Investigation to tackle cybercrime among youngsters.