[Resolved] Proofpoint Essentials Service incident: Increase in False Positive classifications - Nov 28, 2024

Description

Symptoms	Customers may see an increase in False Positive Classifications causing mail to be quarantined
Start Time	Proofpoint began to see symptoms at November 28, 2024 at 14:57 UTC

Updates

[28-11-2024 18:00 UTC]

Customers may see an increase in legitimate mail being quarantined. Our internal teams are engaged and currently investigating this issue.

[28-11-2024 19:30 UTC]

At this time, errant rules have been reverted, emails identified as false positives and quarantined can be released by following this KB article https://help.proofpoint.com/Essentials/Support/Support_Knowledge_Base/Email_Security/How_to_release_Quarantined_Emails