Classified Information Security Violations at Nevada National Security Sites’ Special Technologies Laboratory
Office of Enterprise Assessments
October 23, 2026
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October 2026,
Classified Information Security Violations at Nevada National Security Sites’ Special Technologies Laboratory
On October 16, 2026, the National Nuclear Security Administration issued Preliminary Notice of Violation (SEA-2026-01) to Mission Support and Test Services, LLC (MSTS) for violations of DOE’s classified information security program requirements at the Special Technologies Laboratory.