Advanced persistent threat (APT) group Sednit has deployed a rootkit capable of modifying a computer’s Unified Extensible Firmware Interface (UEFI) to install malware that can survive both an OS reinstallation and hard disk replacement. Security vendor ESET recently discovered the malware — dubbed LoJax — installed on a system as part of a broader Sednit APT campaign and described it this week as the first UEFI rootkit ever discovered in the wild.

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