Current answer
KnowBe4 experienced a major incident: Prevent and Protect - Web Add-in Send Issues (EU Only). ServiceAlert observed recovery on Oct 13, 2026.
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Incident Lifecycle
Affected Components
Web Add-In
Web Add-In
Incident Timeline
Monitoring
We’ve implemented a fix for the Web Add-in sending errors and we’re monitoring the results to make sure no further issues occur.
Oct 13, 2026 at 11:07 AM UTC
Investigating
We have received reports that the KnowBe4 Email Security Add-in is showing the error "The add-in KnowBe4 email security is preventing this message from being sent" when sending emails. We are investigating this issue and will update this page when we have more information.
Oct 13, 2026 at 8:47 AM UTC
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