The Pentagon's inspector general is launching an investigation into vulnerabilities in the department's unclassified telecommunications, particularly concerning foreign espionage threats. The inquiry will examine the Pentagon's procurement of mobile communications through the Spiral 4 contract, focusing on security requirements and the SS7 telephony protocol. The investigation will also look into encryption practices for unclassified data and voice communications, including the use of end-to-end encryption. Lawmakers have expressed concern over the Department of Defense's decisions regarding wireless carriers and collaboration software that lacks strong security measures.
The Department of Defense knew every major wireless carrier was vulnerable to foreign hacks before it agreed to spend billions with Verizon, AT&T and T-Mobile.
The Inspector General deserves credit for also agreeing to investigate DOD's decision to buy dangerously insecure collaboration software, such as Microsoft Teams, which does not use end-to-end encryption by default.
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