Overview
With the introduction of the mini file filter driver, which is part of SafeGuard Enterprise as of version 8.10, Sophos provides regular File Encryption Engine updates that just contain improved filter drivers. These updates are provided as Windows Installer Patch files (*.msp) to allow an easy installation and deployment.
In this post, you can find links to all available updates of the filter driver engine. As these updates are cumulative, Sophos recommends using the latest version.
Resolved issues in latest build version (compared to SafeGuard version 8.10.0.323)
| Reference | Symptom / Summary |
|---|---|
| DPFEE-1173 | Local cache corruptions during an update to Windows 10 October 2018 update (W10 version 1809) |
| DPSGN-14307 | Explorer performance issues in combination with cached files from Windows Quick Access |
| DPSGN-14462 | Increased saving time for files located on network locations (specific applications). |
| DPSGN-14525 | Access rights issues when running specific applications. |
| DPSGN-14639 | Bluescreen Bugcheck 0x3b (SYSTEM_SERVICE_EXCEPTION) on Windows 10 version 1809 endpoints |
| DPSGN-14511 | Performance improvements (boot and runtime) |
| DPSGN-14853 | Cannot open encrypted Quickbooks project (other applications potentially affected as well), when SafeGuard File Encryption filter driver is active. |
| DPSGN-14771 DPSGN-14806 DPSGN-14842 |
Several boot performance improvements. |
| DPSGN-14995 | High performance impact when accessing files not covered by an encryption rule (requires BypassFilesWithoutPolicyVolumes registry key) |
| DPSGN-14945 | User is unable to save file certain file types (e.g. docx, xlsx). |
| DPSGN-14987 DPSGN-15016 |
User gets file in use error when opening or saving xlsx files on network location. |
| DPSGN-14513 | License check of 3rd party application (Dataflex) fails - (requires BypassFilesWithoutPolicyVolumes registry key) |
| DPSGN-14856 DPSGN-15051 |
File Encryption driver slows down Windows explorer and search operations on network shares. |
| DPSGN-15186 DPSGN-15188 DPSGN-15189 DPSGN-15190 |
Important security fixes and improvements. |
| DPSGN - 15245 | Files located on a WebDAV share, occasionally cannot be deleted when file encryption minifilter is active. |
| DPSGN -15014 | Compatibility improvements |
| DPSGN - 15265 | System might become unresponsive after re-inserting an encrypted optical media |
| DPSGN - 15261 | SGPortable.exe (and msvcr71.dll and msvcp71.dll) get encrypted by initial encryption |
| DPSGN - 15241 | SafeGuard Services not running after update to Windows 10 version 1903 (19H1). This only affects installations of File Encryption Engine build 26. |
| DPSGN-15209 | Compatibility improvement for Sophos Central Intercept X with EDR. |
| DPSGN-15267 | Potential file corruptions when creating PDFs from Catia. |
| DPSGN-15306 | File encryption filter removes SmartScreen block functionality from file properties. |
Available File Encryption Engine updates
File Encryption Engine build 28 for SafeGuard 8.1 / 8.2
File Encryption Engine build 27 for SafeGuard 8.1 / 8.2
File Encryption Engine build 25 for SafeGuard 8.1.0 - This File Encryption Engine update contains the same filter driver as SafeGuard version 8.20.0
File Encryption Engine build 24 for SafeGuard 8.1.0
File Encryption Engine build 23 for SafeGuard 8.1.0
File Encryption Engine build 22 for SafeGuard 8.1.0 - Important: This update has been integrated in the SafeGuard Client Hotfix Rollup 1901.
File Encryption Engine build 19 for SafeGuard 8.1.0