Bálint Varga-Perke (OSCP, GWAPT) is a founder of Silent Signal where he serves as an IT security expert. Since 2010 he's been performing penetration tests in over a dozen countries for major companies from sectors including finance, healthcare, and government. His research focuses on reverse engineering and finding vulnerabilities in widely used software, especially in security products. Aside from breaking things he enjoys building tools for solving unusual problems (so he can break more things). As one of the earlier supporters of Hacktivity he gave multiple talks, won the Hack the Vendor challenge and organized several wargames and CTF's throughout the years of the conference. AFK he helps to build the Hungarian security community in the nearest pub.