The objective of this evaluation was to summarize DoD policies and previous DoD Office of Inspector General oversight reports published from March 2021 through October 2024 related to the use of unclassified networks and non–DoD-controlled electronic messaging systems to discuss sensitive and classified information.

The objective of this evaluation was to determine the extent to which the Secretary of Defense and other DoD personnel complied with DoD policies and procedures for the use of the Signal commercial messaging application for official business. Additionally, we reviewed compliance with classification and record retention requirements.

The objective of the audit was to assess the effectiveness of DoD actions to remediate the financial statement material weakness related to reporting Government Property in the Possession of Contractors (GPIPC).

The objective of this audit was to determine whether DoD officials effectively used policies, procedures, and data systems to identify Government Travel Charge Card (GTCC) misuse, abuse, or fraud.

The DoD OIG provides its annual statement on the Top DoD Management and Performance Challenges (TMPC) for Fiscal Year 2026.

This Oversight Plan documents the results of the OIG’s annual planning process for FY 2026. We use a deliberate approach to identify and prioritize oversight projects.

The objective of this audit was to assess the effectiveness of the DoD’s processes for ensuring the quality and timeliness of supplies and equipment provided to the Ukrainian Armed Forces (UAF) funded through the Ukraine Security Assistance Initiative (USAI). This is one in a series of two reports on this topic and relates to the U.S. Army’s processes.

The objective of this audit is to assess the effectiveness of the DoD’s management of data that remains after the retirement of financial management (FM) systems.