KnowBe4 incident

Prevent and Protect - Web Add-in Send Issues (EU Only)

Major Resolved View vendor source →

KnowBe4 experienced a major incident on October 13, 2026 affecting Web Add-In and Web Add-In, lasting 4h 54m. The incident has been resolved; the full update timeline is below.

Started
Oct 13, 2026, 08:47 AM UTC
Resolved
Oct 13, 2026, 01:41 PM UTC
Duration
4h 54m
Detected by Pingoru
Oct 13, 2026, 08:47 AM UTC

Affected components

Web Add-InWeb Add-In

Update timeline

  1. investigating Oct 13, 2026, 08:47 AM UTC

    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.

  2. monitoring Oct 13, 2026, 11:07 AM UTC

    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.

  3. resolved Oct 13, 2026, 01:41 PM UTC

    This incident has been resolved.