In a report published today, Eclypsium, a cyber-security firm specialized in firmware security, says that the issue of unsigned firmware is still a widespread problem among device and peripheral manufactures.
According to researchers, many device makers still don’t sign the firmware they ship for their components. Furthermore, even if they sign a device’s firmware, they don’t enforce checks for the firmware signature every time the driver/firmware is loaded, but only during installation.
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Source: ZDNet