FYI: Intel BootGuard OEM private keys leak from MSI cyber-heist
Intel BootGuard OEM keys are generated by the system manufacturer, and these are not Intel signing keysThe Register"There have been researcher claims that private signing keys are included in the data including MSI OEM Signing Keys for Intel BootGuard. It should be noted that Intel BootGuard OEM keys are generated by the system manufacturer, and these are not Intel signing keys."
If miscreants can bypass the BootGuard technology, they could gain full system access, steal sensitive data, and perform all sorts of illicit activities without being noticed as their malware runs underneath the OS and antivirus packages. BootGuard's security is baked in, with silicon-level fuses in the chips – so if these private keys leak, there's no easy fix in terms of revoking the keys, or generating and using fresh private-public key pairs for machines already out there. As we understand it, the chipset has the public half of these MSI-issued firmware signing keys fixed in place, and the private half has leaked.
The crooks posted screenshots to prove it, and threatened to release this data unless MSI paid a $4 million ransom. It's understood at least some of that information – such as the MSI firmware source code and private BootGuard keys – has escaped into the wild from the extortionists' leak site.
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