Martin Voelk

Hello! I am an IT and Cyber Security veteran with 25 years of experience. I have worked for ISPs, banks, manufacturers, government entities and many other verticals. I hold some of the highest certification incl. CISSP, OSCP, OSWP, Portswigger BSCP, CCIE, PCI ISA and PCIP. I used to run a Penetration Testing company called Cyber 51 LLC which I have sold in 2018. I am now working as a senior security consultant for a big tech company and as a freelance Bug Bounty hunter. SpecialitiesAll CISSP domainsNetwork Security (Firewalls, Infrastructure etc.)Application SecurityPenetration Testing (Infrastructure, IoT, Web Apps, Mobile Apps, Wireless)Cyber Intelligence, online investigations, OSINTPCI ComplianceGeneral Security Certifications:CISSP #339608 (Certified Information Systems Security Professional) PCI-ISA (Certified Payment Card Industry Industry Internal Security Assessor)PCIP (PCI Certified Professional)Penetration Testing Certifications:BSCP (Burp Suite Certified Practitioner) OSCP (Offensive Security Certified Professional)OSWP (Offensive Security Wireless Professional) CREST (UK CREST Registered Penetration Tester) CEH (Certified Ethical Hacker) v8 - Retired Bug Bounty Hunter Since 2021 I hold the #1 spot for the Researcher with most vulnerabilities foundCisco Certifications:Cisco Certified Internetwork Expert (CCIE # 13708) (July 2004)Emeritus as of 2018