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Meta Opens Authenticated Time Service to Fix 40-Year-Old NTP Security Flaw

This story is from 2026-11-05. It is preserved in the archive; the latest stories are on the live feed.

Meta's public time service now authenticates every NTP packet using RFC 8915, addressing a 40-year-old security hole in the protocol that underpins TLS validation.

Read the full story at AlphaSignal ↗

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  1. 2026-11-05 17:00 · AlphaSignal
    Meta Opens Authenticated Time Service to Fix 40-Year-Old NTP Security Flaw

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