Is Tessian down?

Last checked 4m ago
Current status
Tessian is up

No incidents right now.

Official status page: https://us.status.tessian.com · Polled every 5 minutes · 13 components tracked

Tessian is operational right now. Last checked 4m ago; the most recent incident resolved 11d ago.

Real-time Tessian status, recent outages, and incident history — pulled directly from Tessian's official status page at https://us.status.tessian.com every 5 minutes. Pingoru tracks 13 Tessian services and has captured 8 incidents in the last 90 days (97.35% uptime). Get email, Slack, Discord, or webhook alerts the moment Tessian reports a new incident — free for 5 monitors, no credit card.

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Tessian uptime 97.35% uptime · past 90 days
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Recent outages & incidents

Past 90 days
  1. Resolved
    Started Sep 04, 2026, 06:24 PM UTC · Resolved Sep 04, 2026, 06:24 PM UTC
    Core Email Protection API
    Timeline · 2 updates
    • monitoring · Sep 04, 2026, 05:28 PM UTC

      Status: Monitoring Proofpoint is recovering from an issue impacting multiple services: https://proofpoint.my.site.com/community/s/article/Proofpoint-Service-Interruption-Affecting-Cloud-Service-Portal-Access-04-SEP-2026 As a knock-on effect, we have seen a slight delay in a small number of post delivery checks. The system is currently recovering and we will update once all systems are operational. Affected components Core Email Protection API (Degraded performance)

    • resolved · Sep 04, 2026, 06:24 PM UTC

      Status: Resolved As of 18:20 UTC, there is no longer any impact to the US servers and all systems are operational. Affected components Core Email Protection API (Operational)

    Latest: Status: Resolved As of 18:20 UTC, there is no longer any impact to the US servers and all systems are operational. Affected components Core Email Protection API (Operational)

  2. Resolved
    Started Sep 04, 2026, 01:26 PM UTC · Resolved Sep 04, 2026, 01:26 PM UTC
    AEDLP Custom Policies
    Timeline · 2 updates
    • identified · Sep 03, 2026, 02:31 PM UTC

      Status: Identified We've identified an issue impacting the following service and scenario: • For Adaptive Email DLP Custom Policies • Set to Silently Track • Configured to send Compliance Alerts • And scanned by the Gateway Since September 1, 2026, at 12:30 PM UTC - Compliance Alerts were not sent for policies set to Silently Track and configured to send them, when the check was done by the Gateway. Polices set to Warn, or checks done by other integrations, have no impact and Compliance Alerts function as expected. Our team is actively correcting the issue and all Alerts will be send momentarily. If you were impacted, you will notice the backlog of alerts come in all at once. We will update once complete. Affected components AEDLP Custom Policies (Degraded performance)

    • resolved · Sep 04, 2026, 01:26 PM UTC

      Status: Resolved A fix has been applied to all customer Gateways. Compliance Alerts are now sending as expected on Custom Policies set to Silent Track which are checked by the Gateway. All backlogged Compliance Alerts impacted by this issue have now sent. If you have any additional questions, please feel free to raise a support case. Affected components AEDLP Custom Policies (Operational)

    Latest: Status: Resolved A fix has been applied to all customer Gateways. Compliance Alerts are now sending as expected on Custom Policies set to Silent Track which are checked by the Gate…

  3. Resolved
    Started Aug 21, 2026, 07:28 PM UTC · Resolved Aug 21, 2026, 07:28 PM UTC
    GatewayM365 Add-inCOM Add-in for WindowsCore Email Protection API
    Timeline · 3 updates
    • identified · Aug 21, 2026, 03:38 PM UTC

      Status: Identified We are experiencing a check lag on US-based portals at the moment. This issue began at 14:14 UTC Friday 21st August. Engineering is investigating the issue and working on a solution. You may experience timeouts checking messages during this time. We will update this status page with further details and progress. Affected components Gateway (Degraded performance) M365 Add-in (Degraded performance) COM Add-in for Windows (Degraded performance) Core Email Protection API (Degraded performance)

    • identified · Aug 21, 2026, 03:39 PM UTC

      Status: Identified We are experiencing a check lag on US-based portals at the moment. This issue began at 14:14 UTC Friday 21st August. Engineering is investigating the issue and working on a solution. You may experience timeouts checking inbound messages during this time. Affected components M365 Add-in (Degraded performance) COM Add-in for Windows (Degraded performance) Core Email Protection API (Degraded performance) Gateway (Degraded performance)

    • resolved · Aug 21, 2026, 07:28 PM UTC

      Status: Resolved Between 14:14 UTC and 18:05 UTC, we experienced a delay in Defender checks affecting inbound email processing. Our Engineering team investigated the issue, and following continued monitoring, checks are now performing as expected. If you have any additional questions, please don't hesitate to open a support case. Affected components Gateway (Operational) M365 Add-in (Operational) COM Add-in for Windows (Operational) Core Email Protection API (Operational)

    Latest: Status: Resolved Between 14:14 UTC and 18:05 UTC, we experienced a delay in Defender checks affecting inbound email processing. Our Engineering team investigated the issue, and fol…

  4. Resolved
    Started Aug 05, 2026, 02:00 PM UTC · Resolved Aug 05, 2026, 02:00 PM UTC
    Proofpoint APIGatewayProofpoint Cloud Email Security PlatformProofpoint PortalM365 Add-inCOM Add-in for WindowsCore Email Protection APIAEDLP Email Misdelivery ProtectionAEDLP Email Exfiltration ProtectionAEDLP Custom Policies
    Timeline · 1 update
    • resolved · Aug 05, 2026, 02:00 PM UTC

      Status: Resolved We experienced an issue resulting in inbound check delays. Impact window: Aug 5 2026: 14:00 to 14:30 UTC Impact: During the window, inbound message checks may have been delayed, resulting in corresponding delays in a message being actioned and available in the portal. • Maximum observed delay: ~15 minutes Our team quickly took steps to address the issue and it is since resolved. Please feel free to open a support case with any additional questions. Affected components Proofpoint API (Operational) Core Email Protection API (Operational) AEDLP Email Exfiltration Protection (Operational) Core Email Protection API (Operational) Reported Emails (Operational) Gateway (Operational) Proofpoint Cloud Email Security Platform (Operational) AEDLP Email Misdelivery Protection (Operational) M365 Add-in (Operational) COM Add-in for Windows (Operational) Proofpoint Portal (Operational) Investigate and Respond - Email Search (Operational) AEDLP Custom Policies (Operational)

    Latest: Status: Resolved We experienced an issue resulting in inbound check delays. Impact window: Aug 5 2026: 14:00 to 14:30 UTC Impact: During the window, inbound message checks may have…

  5. Resolved
    Started Jul 31, 2026, 01:58 PM UTC · Resolved Jul 31, 2026, 01:58 PM UTC
    M365 Add-inCore Email Protection APIAEDLP Email Misdelivery ProtectionAEDLP Email Exfiltration Protection
    Timeline · 3 updates
    • identified · Jul 28, 2026, 02:24 PM UTC

      Status: Identified We are currently investigating an issue causing delays in live syncing. As a result Email Misdelivery, Exfiltration Protection and Core Email Protection API may experience reduced classification accuracy. Additionally, Core Email Protection API checks are experiencing delays which may result in some missed flags. Our engineering team is actively working to identify the root cause and restore normal service. We will provide further updates as more information becomes available. Affected components Core Email Protection API (Degraded performance) Core Email Protection API (Degraded performance) AEDLP Email Misdelivery Protection (Degraded performance) M365 Add-in (Degraded performance) AEDLP Email Exfiltration Protection (Degraded performance)

    • monitoring · Jul 28, 2026, 06:51 PM UTC

      Status: Monitoring As of 18:18 UTC, all systems are operating within expected limits. Our teams remain actively engaged in monitoring the environment. We appreciate your patience and understanding. If you have further questions or concerns, we'd encourage you to open a Support Case for further assistance. Affected components M365 Add-in (Operational) AEDLP Email Exfiltration Protection (Operational) Core Email Protection API (Operational) Core Email Protection API (Operational) AEDLP Email Misdelivery Protection (Operational)

    • resolved · Jul 31, 2026, 01:58 PM UTC

      Status: Resolved After continued monitoring, for the last 48 hours all systems remain stable. Affected components Core Email Protection API (Operational) Core Email Protection API (Operational) AEDLP Email Misdelivery Protection (Operational) M365 Add-in (Operational) AEDLP Email Exfiltration Protection (Operational)

    Latest: Status: Resolved After continued monitoring, for the last 48 hours all systems remain stable. Affected components Core Email Protection API (Operational) Core Email Protection API …

See the full Tessian outage history

3 more incidents in the last 90 days, plus the full multi-year archive of per-service events and update timelines.

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Outage history

Past 90 days · 8 incidents View full outage history →