Supervisory Special Agent Brian Kaiser has been in federal law enforcement for over a decade and has investigated a range of violations from violent crimes, financial crimes, criminally motivated cyber-attacks, and national security cyber - including cyber-attacks against operational technology in critical infrastructure environments. SSA Kaiser is currently the team lead for FBI Cyber Division's Critical Sector Engagement and Intelligence Unit (CSEIU). CSEIU helps FBI field offices investigate and disrupt threats to Operational Technology and provides briefings for public and private sector partners.