KnowBe4 incident
PhishML Evaluations Causing PML:BYPASSED Tags to Apply
KnowBe4 experienced a minor incident on June 30, 2026 affecting PhishML, lasting 4h 53m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jun 30, 2026, 02:18 PM UTC
We have identified an issue where PhishML evaluations are causing the "PML:BYPASSED" tag to be applied.
- monitoring Jun 30, 2026, 03:42 PM UTC
We’ve implemented a fix for PhishER and we’re monitoring the results to make sure no further issues occur. Impacted messages can be replayed through all rules and actions. Please be aware this could cause duplicate responses to be sent if an action successfully ran during this incident. If you have further questions or concerns please contact our support team directly: https://support.knowbe4.com/hc/en-us/requests/new The following Knowledge Base Article contains instructions on how to replay messages: https://support.knowbe4.com/hc/en-us/articles/13169303385619-PhishER-Inbox-Guide#h_01HCNEBF8CJQ98GE9PGM7HGDZ0
- resolved Jun 30, 2026, 07:11 PM UTC
This incident has been resolved.