Zoltan (@zh4ck) is the Chief Technology Officer at MRG Effitas, a company focusing on AV testing.
Before MRG Effitas, he had worked as an IT Security expert in the financial industry for 5 years and as a senior IT security consultant at one of the Big Four companies for 2 years. His main expertise areas are penetration testing, malware analysis, computer forensics and security monitoring. He released the Zombie Browser Tool that has POC malicious browser extensions for Firefox, Chrome and Safari. He is also the developer of the Hardware Firewall Bypass Kernel Driver (HWFWBypass), and the Sandbox tester tool to test Malware Analysis Sandboxes.