Author of variety of techniques and utilities exploiting vulnerabilities in XML protocols and telecom equipment security. Author of advisories for various vulnerabilities for major ATM vendors. A speaker at international security conferences: Black Hat USA, Black Hat Europe, Hack in Paris, NoSuchCon Paris, Nuit du Hack, Positive Hack Days, HITB GSEC, ATMIA events, Chaos Communication Congress and others. Organizer of contests and workshops on ATM hacking (Snatch, Leave ATM Alone, 2013-2015, Russia, Hack The Bank, 2017-2018, Romania). Winner of Snatch competition, Positive Hack Days, 2012. Member of ATMIA and EAST.