CISO appointment
Department of Defense appoints Katie Arrington as Chief Information Security Officer
Katie Arrington is the Chief Information Security Officer of Department of Defense. Katie joins from Exiger, where they served as leadership roles.
Records: Department of Defense · Katie Arrington
| Person | Katie Arrington |
|---|---|
| New role | Chief Information Security Officer |
| Company | Department of Defense |
| Previous role | leadership roles, Exiger |
| Announced | week of February 17, 2025 |
| Added to the record | September 26, 2026 |
| Source | SecurityWeek Industry Moves (week of 2025-02-17) |
What this move signals
Katie Arrington has been appointed CISO at the Department of Defense. She previously served as CISO at the DoD between 2019 and 2022, and most recently held leadership roles at supply chain and risk management company Exiger.
The Briefing
Every verified CISO move of the week, in your inbox Friday.
Every verified CISO move and one piece of analysis, weekly.
Unsubscribe any time. See the privacy policy.