New FSBG update (version 1.0.938) has been released. FSBG is a component of Atlant. This update includes the following changes:

• Miscellaneous bug fixes and stability improvements.

Atlant version 1.0.347 is now available. This release includes the following changes:

• Added support for Ubuntu 26.04.
• Added support for SUSE Linux Enterprise Server 16.
• fsanalyze command-line scanning tool can now be used for URL scanning.

New FSBG update (version 1.0.937) has been released. FSBG is a component of Atlant. This update includes the following changes:

• Fixed log rotation for the scanning service.
• Fixed an issue where policy changes made in quick succession could be ignored.
• Miscellaneous bug fixes and stability improvements.

New FSBG update (version 1.0.931) has been released. FSBG is a component of Atlant. This update includes the following changes:

• Miscellaneous bug fixes and improvements.

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:

• Microsoft® Windows 11

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.

FSBG update version 1.0.930 has been released. FSBG is a component of Atlant. This release includes the following changes:

• The scanning service now runs under a non-privileged user account and incorporates additional hardening and sandboxing measures to further improve security.
• Update log entries now consistently use UTC timestamps.
• Updated OpenSSL from 3.0 series to 3.5 series.

  Important: TLS certificates with RSA key sizes below 2048 bits are no longer accepted by default. Certificates must be regenerated with a minimum key size of 2048 bits (RSA).

New Atlant update has been released (version 1.0.343). This update includes the following changes:

• Enhanced the logic used to detect the Linux distribution during installation and update processes.
• Fixed an installation hang where the system waited for components that were not scheduled for installation.
• Optimized and improved connectivity verification steps during installation.
• Implemented additional validation checks during reinstallation to guarantee the system is fully operational.
• Various other minor improvements and bug fixes.

Atlant container 1.0.67 is now available from our container registry. This release includes the following changes:

• Upgraded base image to Debian 13.
• Miscellaneous enhancements and bug fixes.

Client Security for macOS v16.03 has been released to general availability (GA) on 19th of January 2026.

This release brings following new features:

• macOS 26 (Tahoe) support
• macOS 26 compatible icons
• Minimum required macOS version is now macOS 14
• Accessing SecurityCloud uses macOS native networking libraries

Bug fixes

Crashes

• Fixes crashes in following components; wsuplinkd, wssettingsd, wssecuritycloudd and wsbootstrapnative

User interface fixes

• ‘Allow new system extension’ dialog led to the incorrect settings page
• Chrome browsing protection was always shown as disabled in Elements Security Center and in local GUI
• Open Settings button was not localized properly
• Allow button in Browsing Protection was not ‘clickable’

Other fixes

• wsavd component was sometimes left running even when it was ‘disabled’
• Realtime scanning (RTS) was not disabled properly even though settings had it disabled
• Malicious files were not detected on macOS 14 when SecurityCloud was turned on
• Rating icons were not shown in Google search results (Safari)

New Atlant installers have been released (2026-01-14)

The new product installers released are as follows:

• Atlant Policy Manager installation package version 3.0.17, compatible with Policy Manager Server version 16.00 and above.
• Atlant installer DEB and RPM packages, version 1.0.64-1.

The updates fix several installation issues and remove compatibility with no longer supported Policy Manager versions.

If you have already successfully installed the product, there is no need to download or install these packages. The product installer is only needed for the initial setup process and does not need to be kept up to date afterwards.