API & Integrations - Splunk - Update to v.5.4.0 - Oct 2025

Service Update

Availability	October 16th, 2025
Product(s)	Email Security - MX Email Security Cloud Integrated (CI)
Who's affected	Administrators

Overview

Mimecast is pleased to announce that Mimecast for Splunk has been updated from version 5.3.0 to version 5.4.0.

What's changing

• Support for the latest Splunk and Splunk Cloud releases.
• Bug fix for the Email Activity Summary dashboard.
• Back-end updates, to ensure continued compliance with Splunk integration requirements.

Recommended actions

For more information, see Splunk marketplace tile on our integrations page.

See Also...

• API & Integrations - Mimecast For Splunk Administration
• API & Integrations - Managing API Applications