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Malware gets into your BIOS
When you think of malware, you probably think of viruses, spyware, and trojans that infect your PC at the OS level. But there s a whole class of emerging malware that targets your PC s underlying firmware.
A piece of malware called badBIOS doesn't just infect a PC s BIOS it's also nearly impossible to completely eradicate. According to researchers, badBIOS can persist on your system, even if you flash your BIOS. As a result, traditional detection and removal methods are useless against badBIOS.
Because malware that targets firmware sidesteps the operating system, pretty much any PC may be vulnerable, even if you run an OS for which very little malware exists. Last month, for example, researchers showed how malware can attack the EFI firmware that Apple uses on Macs.