Vanta change history: Vanta intermittently inaccessible

Vanta reported a critical outage disrupting access to its web app and all Trust Centers starting 2025-11-18 12:00 UTC, lasting 5 h 38 min. Vanta attributed the disruption to a core networking infrastructure provider; the provider deployed a fix, and access was restored by 2025-11-18 17:39 UTC.