Our researchers examined a new version of the CosmicStrand rootkit, which they found in modified UEFI (Unified Extensible Firmware Interface) firmware — the code that loads first and initiates the OS boot process when the computer is turned on. The danger of UEFI malware Since UEFI firmware is embedded in a chip on the motherboard and not written to the hard drive, it is immune … [Read more...] about CosmicStrand rootkit hides in the UEFI firmware