Proofpoint outage history

A production interruption began at 12:08 PM UTC, impacting access to Proofpoint's Cloud Service Portal (TAP Dashboard) and Cloud Threat Response (CTR). Users could not reach the portal while TAP Alerts could be delayed or not generated, and login/console access was reported as unavailable across multiple regions. StatusGator detected login issues at Sep 4, 2026 12:18 PM UTC, roughly 57 minutes before Proofpoint's official acknowledgment at Sep 4, 2026 1:15 PM UTC.

DNS servers were identified as the root cause, and actions were taken to restore functionality though systems were not immediately fully restored. By 4:08 PM UTC, TAP Dashboard access and TAP Alerts had returned to normal for some services, with progressive recovery across TAP Attachment Defense and Cloud Threat Response. The incident was fully resolved by 6:58 PM UTC, when services returned to stable operation.

Proofpoint users experienced email delays and intermittent access to the TAP Dashboard as a Production Interruption impacted multiple services. The disruption began at 12:00 PM UTC and appeared to be driven by DNS resolution problems when resolving gslb.pphosted.com, affecting mailflow and dashboard access. The impact lingered through the afternoon, with stability reached around 5:04 PM UTC before the service fully recovered later in the evening.

Proofpoint experienced a Production Interruption starting at 12:00 PM UTC that disrupted multiple services, including email delivery (mailflow delays due to DNS resolution issues resolving gslb.pphostedon), the TAP Dashboard, Cloud Admin Portal, Threat Response, CTR, End User Web, and Secure Reader. Users reported delays and access problems across Proofpoint components as DNS resolution failures affected gslb.pphosted.com, resulting in widespread impact to mail delivery and portal access. The incident unfolded over several hours with ongoing updates from Proofpoint describing the scope and the non-security nature of the issue.

Proofpoint experienced a brief degraded performance starting at Feb 22, 2026 5:18 AM UTC, listed on the status page as a degraded service. The issue lasted about 5 minutes and was resolved by Feb 22, 2026 5:23 AM UTC. The provider issued two status updates during the incident, after which service returned to normal.

Proofpoint briefly experienced a service degradation, with the status page moving from up to warn at Feb 11, 2026 3:44 AM UTC and returning to up at Feb 11, 2026 3:48 AM UTC. The incident lasted about 4 minutes and did not generate user-reported issues. The status page noted Current Incidents, providing minimal details beyond the brief degradation before service was restored.

Proofpoint reported a brief issue in its EU data center affecting SEARCH and ARCHIVING functionality. The outage began at 2:28 PM UTC and was resolved by 2:43 PM UTC, lasting about 15 minutes. The provider issued two status updates during the incident, acknowledging a critical issue in the EU data center and confirming restoration to normal operation shortly after. The impact was localized to the EU data center with no broader regional impact reported.

Proofpoint experienced a brief outage affecting the Search and Archiving components. The outage began on Jan 31, 2026 2:18 PM UTC and was resolved by Jan 31, 2026 2:23 PM UTC, lasting about 5 minutes. Users likely encountered issues with search results and archiving during the window.

Proofpoint issued two status updates during the incident, noting an open incident affecting the affected components and later confirming recovery.

Proofpoint experienced a production service interruption starting Jan 22, 2026 8:17 PM UTC that affected outbound email delivery to Microsoft 365 tenants. Users sending mail to Microsoft 365 recipients could see delays or deferrals (DSN 4), and some messages were rejected with DSN 5.1.2 (host not found). Non-delivery reports were returned to the original senders who would need to resend. No emails were reported lost, but delivery was degraded and recipients may have experienced longer wait times. The incident impacted organizations relying on Proofpoint to route outbound mail to Microsoft 365.

Proofpoint experienced a production service interruption affecting sending emails to Microsoft 365 tenants. Users may have observed delayed deliveries and occasional rejections, with DSN 4 deferrals and DSN 5.1.2 (host not found) errors. Non-Delivery Reports were sent to the original sender to retry. No email messages were lost.

The incident began at 8:17 PM UTC and was resolved by 10:43 AM UTC, lasting approximately 14 hours and 26 minutes. The provider issued two official status updates during the incident to communicate the impact and resolution.

Proofpoint experienced a production service interruption starting on Jan 22, 2026 8:17 PM UTC that degraded outbound email delivery to Microsoft 365 tenants. Users may have faced DSN 4 deferrals and email delays, with some messages rejected and returning DSN 5.1.2 (host not found). A Non-Delivery Report would be sent to the original sender who would need to resend the message. No emails were reported lost during the incident.

According to Proofpoint's status updates, the issue progressed to a degraded state and was acknowledged at Jan 23, 2026 9:53 AM UTC, with service restoration by Jan 23, 2026 10:13 AM UTC. The provider issued two status updates during the incident as they worked to restore full delivery. The outage lasted for about 13 hours and 56 minutes before resolution.