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Outage in KnowBe4

Multiple outages due to Microsoft 365 incident

Resolved Major
January 22, 2026 - Started 14 days ago - Lasted about 16 hours
Official incident page

Incident Report

We are aware of an ongoing incident with Microsoft 365 causing emails to not be received by Defend. This is resulting in emails not being delivered to inboxes. This outage is also resulting in the Phish Alert Button being unable to report emails. We are investigating this issue and will update this page when we have more information.
Components affected
KnowBe4 Phishing

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Latest Updates ( sorted recent to last )
RESOLVED 13 days ago - at 01/23/2026 12:27PM

This incident has been resolved.

MONITORING 13 days ago - at 01/23/2026 08:25AM

Microsoft 365 services appear to have recovered. We are actively monitoring all dependent systems to ensure email flow and related functionality remain fully operational.

MONITORING 13 days ago - at 01/23/2026 08:24AM

A fix has been implemented and we are monitoring the results.

IDENTIFIED 14 days ago - at 01/22/2026 10:25PM

We are continuing to work on a fix for this issue.

IDENTIFIED 14 days ago - at 01/22/2026 08:36PM

We are continuing to work on a fix for this issue.

IDENTIFIED 14 days ago - at 01/22/2026 08:15PM

We are aware of an ongoing incident with Microsoft 365 causing emails to not be received by Defend. This is resulting in emails not being delivered to inboxes. This outage is also resulting in the Phish Alert Button being unable to report emails. We are investigating this issue and will update this page when we have more information.

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