BlackX UEFI Bootkit Bypasses Secure Boot on Patched Windows Systems Missing Revocations
MentionsMicrosoftMicrosoft WindowsKaspersky
Diplomatic organizations in Central Asia have been targeted by a sophisticated new Unified Extensible Firmware Interface (UEFI) bootkit called BlackX. The activity, which singled out diplomatic entities in Tajikistan, Uzbekistan, and Turkmenistan in early 2026, is suspected to be orchestrated by a China-linked state-sponsored hacking group known as APT41, Kaspersky said in a technical report
Summary from The Hacker News.
Explained
The technology and terms in this story. Learn more
- TechnologyUEFIThe firmware that starts a computer before the operating system loads.
- AttackBootkitMalware that infects the boot process so it runs before the operating system.
- DefenceSecure BootA firmware check that only lets signed, trusted boot loaders start the computer.
- ConceptAPT · Advanced persistent threatA well-resourced hacking group, usually tied to a government, that runs long, targeted campaigns.