Cisco Secure Email Scheduled Maintenance - 2025-06-05

When:

Thursday, June 5th, 2025, at 00:00 GMT

What:

Cisco will be implementing critical infrastructure changes in our Data Center during this planned maintenance.

Expected Impact:

There will be a 5-10 minute disruption in the final filtering of Cloud URL Analysis (CUA) convictions, which could result in some false positives during this brief period. The Talos efficacy team will be actively monitoring the detections throughout this time.

Recommendations:

You do not need to contact us regarding this maintenance. We are working to complete the changes and will update our customers as required.

If you have any urgent questions about this maintenance or the possible impact, please get in touch with Cisco TAC: http://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html