WithSecure Client Security provides protection for workstations: Microsoft® Windows 11, all editions excluding ARM.
WithSecure Server Security provides protection for servers: Microsoft® Windows Server® 2016, 2019, 2022, 2025.
The solution can be licensed and deployed as Standard or Premium. For WithSecure Server Security both per-server or terminal connection basis are applicable.
Products contain following features:
- Virus & spyware protection – protects your computer against viruses, trojans, spyware, riskware, rootkits, and other malware.
- DeepGuard™ – offers proactive, instant protection against unknown threats. It monitors application behavior and stops potentially harmful activities in real-time.
- DataGuard (Premium) – monitors protected folders to prevent untrusted applications from modifying your files.
- Web traffic scanning – detects and blocks malicious content in web traffic (HTTP protocol) to provide additional protection against malware.
- Firewall – consists of Windows Firewall integration and the network access control.
- Application control (Premium) - allows you to restrict virtually any application from starting.
- Botnet Blocker – allows the Policy Manager administrator to block Domain Name System (DNS) queries from the host for domains that have a malicious reputation.
- Browsing protection – provides additional protection against unsafe web sites.
- Web Content Control (Premium) – blocks web sites that contain unsuitable content.
- Connection control (Premium) – detects when users access an online banking web site (HTTPS only) or another defined web site that handles sensitive information.
- Device control – lets you control and disable hardware devices.
- Software Updater (Premium) – keeps your system and applications up to date by automatically installing patches as they are released by vendors.
- Offload Scanning Agent – moves malware scanning operations to WithSecure Atlant for Offload Scanning Server.
- Rapid Detection & Response – uses lightweight, discreet sensors that collect behavioral data from endpoint devices to identify a wide range of attacks.
What’s new in this version
This section describes the new features, enhancements and most important issues that have been solved since the previous release.
System requirements
Client Security supports the following operating systems:
Server Security supports the following operating systems:
- Microsoft® Windows Server 2016
- Microsoft® Windows Server 2019
- Microsoft® Windows Server 2022
- Microsoft® Windows Server 2025
Note: Please see the Client Security and Server Security user guides for the full list of supported operating systems and detailed system requirements.
New features and improvements
- Software updates can now be scanned and installed for non‑admin users.
- Software Updater download errors caused by software vendors are now shown in the local user interface.
- A new uninstallation security event has been added (requires the Policy Manager release).
- A new Artificial Intelligence URL category has been introduced (requires the Policy Manager release).
- The DataGuard overlay icon has been updated to a more lightweight version.
- Improved network state event handling to speed up definitions and policy updates.
- A new
--skip_cache command line option of fsscan.exe has been introduced, allowing a forced full rescan of all files. - Dell Common Event Enabler integration is now introduced with Server Security in this release.
Bug fixes:
- Fixed an issue with offline definition updates.
- Fixed an issue where the connectivity checker could fail in certain conditions.
- Fixed an issue with firewall rules restoration during client uninstallation.
- Other minor fixes and improvements.
Installation
Policy Manager 16.10 or newer is required.