Oleh Sych is CTO of Zillya! Antivirus — a Kyiv-based software company. Zillya! helped the SBU to investigate the largest and most successful hacker attack in Ukraine’s history, when Prykarpattyaoblenergo was forced to black out, leaving parts of the city of Ivano-Frankivsk and a number of towns and villages in Ivano-Frankivsk Oblast without electricity days before Catholic Christmas.
Established by Georgiy Gongadze in 2000