Changelogs
Explore WithSecure changelogs to track all product updates, new features, and version changes.
Countercept Agent for Windows – 2026-03-02 – Sensor update
Released
The update is related to the Countercept Agent’s Sensor component. The Sensor component gathers data to be analyzed in the WithSecure backend to identify any malicious activity.
Product Name: Countercept Agent for Windows – Sensor Component
Version: 2026.1.40
Pilot Availability: 03/03/2026
General Availability: 17/03/2026
Predecessor: 2025.3.64
Release Purpose:
- New Features and Enhancements
- Generic maintenance
Customer Action Required:
- The Operating System should be Azure Code Signing (ACS) compliant to receive this update. See
https://community.withsecure.com/en/kb/articles/29714-changes-in-support-on-microsoft-windows-minimum-patch-level
for more details.
Name Changes:
- No changes to file, process, or service names.
Files Updated:
- fsatp.sys
- fsatpl.exe
- fsatpn.exe
- install.exe
- sensor_control.exe
New Features and Enhancements:
- New detections and monitoring improvements
- Additional tampering protection
General Maintenance:
- Bug fixes and dependency updates
OS Support:
- Windows 10, 11
- Windows Server 2012, 2012 R2, 2016, 2019, 2022, 2025