AI NewsThe Empty Field That Wasn't: GPS, OTAD and Two Decades of Encrypted Broadcasts
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Summary
Researchers analyzed 12.16 million GPS special messages and found that they contain encrypted material consistent with the military's Over-the-Air Distribution (OTAD) global rekeying network.
Why it matters
This discovery reveals that every operational GPS satellite has been broadcasting ciphertext on a public channel for nearly two decades, in plain sight.
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| Hacker News Front Page | The Empty Field That Wasn't: GPS, OTAD and Two Decades of Encrypted Broadcasts | 6/6/2026, 12:15:28 AM |
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