Denis Kolegov is a principal security researcher at BI.ZONE and an associate professor in computer security at Tomsk State University. His research focuses on network security, web application security, cryptography engineering, and covert communications. He holds a PhD and associate professor degree in Computer Security. Denis has presented at different international security conferences including Power of Community, Area41, Zero Nights, Positive Hack Days, InsomniHack, and SibeCrypt.