Guardsquare incident

TLS certificate issues

Major Ongoing View vendor source →
Started
May 03, 2026, 10:24 PM UTC
Resolved
Ongoing
Duration
● 7h 56m
Detected by Pingoru
May 03, 2026, 10:24 PM UTC

Affected components

Data ingestionApp attestation

Update timeline

  1. investigating May 03, 2026, 08:58 PM UTC

    Status: Investigating The team is investigating connectivity issues from protected apps to ThreatCast and App Attestation related to TLS certificates. Affected components App attestation (Partial outage) Data ingestion (Partial outage)

  2. identified May 03, 2026, 09:40 PM UTC

    Status: Identified This issue has been narrowed down to an unexpected change in the chain of trust of our TLS certificates. Affected components Data ingestion (Partial outage) App attestation (Partial outage)

  3. monitoring May 03, 2026, 10:24 PM UTC

    Status: Monitoring We've mitigated the problem by issueing new certificates. The team will continue to monitor the situation. Affected components Data ingestion (Operational) App attestation (Operational)

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