Summary Report: Lessons Learned from DoW OIG Reports on Cyber Vulnerability and Patch Management (Report No. DOWIG-2026-092)

What We Did:

This summary report is part of a series that presents key themes and lessons learned from our body of oversight work in several key areas. We provide these summaries to deliver helpful and timely information relevant to DoW priorities. As the DoW executes increasingly complex cyber offensive and defensive operations, applying prior lessons learned helps prevent repeated deficiencies and strengthens the DoW’s ability to protect mission‑critical networks, systems, and data.