Windows Subsystem for Linux
Microsoft: Recent Windows updates break VPN access for WSL users
Microsoft says that recent Windows 11 security updates are causing VPN networking failures for enterprise users running Windows Subsystem for Linux. This known issue affects users who installed the KB5067036 October 2025 non-security update, released October 28th, or any subsequent updates, including the KB5072033 cumulative update released during this month’s Patch Tuesday. On impacted systems, users are experiencing connectivity […]
Qilin ransomware abuses WSL to run Linux encryptors in Windows
The Qilin ransomware operation was spotted executing Linux encryptors in Windows using Windows Subsystem for Linux (WSL) to evade detection by traditional security tools. The ransomware first launched as “Agenda” in August 2022, rebranding to Qilin by September and continuing to operate under that name to this day. Qilin has become one of the most […]
Microsoft open-sources Windows Subsystem for Linux at Build 2025
Microsoft has open-sourced the Windows Subsystem for Linux (WSL), making its source code available on GitHub, except for a few components that are part of Windows. This marks a milestone for a project that started as an experiment almost a decade ago but has grown to become a very popular tool in Windows. WSL was first […]
