The NSA, CISA, Australia's Cyber Security Centre, and Canada's Cyber Centre jointly released comprehensive security practices for Exchange hardening.
An out-of-band (OOB) security update that patches an actively exploited Windows Server Update Service (WSUS) vulnerability has broken hotpatching on some Windows Server 2025 devices.
The release builds on CISA’s Emergency Directive 25-02 and outlines measures such as restricting administrator access, using ...
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