Outage in Cisco Secure Email

CRES Incident - 2025-10-21

Resolved Minor
October 21, 2025 - Started about 4 hours ago - Lasted about 4 hours

Incident Report

What:

Users are encountering "System Unavailable" errors when attempting to open CRES-encrypted emails.

Impact Details:

CRES-encrypted emails cannot be accessed at this time.

Problem Symptoms:

The system is currently unavailable. Please try again later.

Workaround/Solution:

None at this time

Recommendations:

You do not need to contact us regarding this incident. We are working on a fix and will update our customers as required.

If you have any urgent questions about this incident 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

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