Holger is a longtime security enthusiast, with more than 25 years of experience in the information security industry. He started his career as a penetration tester and is now working for Cisco Talos as technical leader in the malware and threat hunting sector. He finds new, cutting-edge security threats and analyzes their components. Holger is a frequent speaker at international security conferences such as BlackHat, HackInTheBox, Internet Security Conference, NorthSec, CiscoLive and others. He is also the author of several offensive and defensive security tools and won the IDA plugin contest with his Dynamic Data Resolver (DDR) IDA plugin in 2020.