Jon Overgaard Christiansen is the Nordic Manager and Red Team lead for the Europe West region for Mandiant Proactive Red Team. Before that, Jon worked as a developer and now uses his coding experience to develop tools for the proactive team at Mandiant to enhance team capabilities to simulate threat actors operations. Jay has conducted a large number of Threat Intelligence-led Red Team engagements over the years, including executing CBEST and TIBER engagements in the financial industry, running advanced ransomware threat actor simulation engagements and performing ICS / OT focused security assessments.