Tim Yunusov is an expert in the area of banking security and application security. He has authored multiple research in these areas including "Apple Pay replay attacks" (Black Hat USA 2017), "7 sins of ATM protection against logical attacks" (PacSec, POC), "Bruteforce of PHPSESSID", "XML Out-Of-Band" (Black Hat EU), and is rated in the Top Ten Web Hacking Techniques by WhiteHat Security. He regularly speaks at conferences and has previously spoken at CanSecWest, Black Hat USA, Black Hat Europe, HackInTheBox, Nullcon, NoSuchCon, Hack In Paris, ZeroNights, and Positive Hack Days.