Related to a security incident involving the unauthorized use of classified information systems and potential disclosure of classified information by Consolidated Nuclear Security, LLC at the Pantex Plant in Amarillo, Texas.

On May 5, 2021, the U.S. Department of Energy (DOE) Office of Enterprise Assessments’ Office of Enforcement issued an Enforcement Letter SEL-2021-01 to Consolidated Nuclear Security, LLC (CNS) related to/associated with a security incident discovered in March 2019 involving the unauthorized use of classified information systems and potential disclosure of classified information by CNS at the Pantex Plant in Amarillo, Texas.