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A threat actor with a suspected China nexus has been linked to a set of espionage attacks in the Philippines that primarily relies on USB devices as an initial infection vector. Mandiant, which is part of Google Cloud, is tracking the cluster under its uncategorized moniker UNC4191. An analysis of the artifacts used in the intrusions indicates that the campaign dates as far back as September

Acer has released a firmware update to address a security vulnerability that could be potentially weaponized to turn off UEFI Secure Boot on affected machines. Tracked as CVE-2022-4020, the high-severity vulnerability affects five different models that consist of Aspire A315-22, A115-21, and A315-22G, and Extensa EX215-21 and EX215-21G. The PC maker described the vulnerability as