With expertise spanning red team operations, adversary simulation, penetration testing, incident response, and threat intelligence, Pieter Ceelen brings a unique perspective that combines offensive security techniques with real-world attacker behaviors. He began his career at KPMG’s cyber division in 2008, conducting penetration tests, technical security advisory, and adversary simulation before working as an independent consultant […]
Kyle Avery has been interested in computers for his entire life. Growing up, he and his dad self-hosted game servers and ran their own websites. He focused on offensive security in university and has spent the last few years learning about malware and post-exploitation. Kyle previously worked as a red teamer at Black Hills Information […]
Henri Nurmi brings both extensive red teaming and software engineering experience to the Cobalt Strike team. He was an active contributor to the Cobalt Strike community kit before joining the Cobalt Strike development team. He makes key contributions to the core product in his role as a software engineer and also spends time working on […]
Chris Thorpe is a Principal Software Engineer on the Cobalt Strike development team, a role he has held since February 2021. With over two decades of software engineering experience in C and Java, he quickly became a key contributor to Cobalt Strike’s ongoing development. Chris focuses primarily on feature development for the Cobalt Strike TeamServer, […]
Raphael Mudge is the creator of Cobalt Strike, which he built in 2012 to enable threat-representative security tests. For nearly a decade, he was the driving force behind the product, designing, developing, and maintaining it while building the community around it through blogs, user manuals, and training videos that became foundational resources for red team […]
CoreLabs is the research center of Core Security, dedicated to advancing the state of offensive security research. The team discovers and responsibly discloses vulnerabilities, develops proof-of-concept exploits that become enterprise-grade modules in Core Impact’s certified exploit library, and publishes articles and advisories that contribute to the broader security community’s understanding of emerging threats. CoreLabs also […]
Jean-François is based in Belgium where he is a senior security researcher at HelpSystems, helping the Cobalt Strike team with developing new features and engaging with the community on a very regular basis. Jean-François is a strong believer in open source and avid contributor to the offensive security community. Next to his work at HelpSystems, […]
The Cobalt Strike team develops and maintains one of the industry’s most widely adopted adversary simulation platforms, ensuring that red teams can accurately and efficiently emulate the tactics, techniques, and procedures of real-world threat actors. The team is responsible for driving the platform’s continued evolution so it remains operationally relevant, technically advanced, and aligned to […]