Researchers Defeat AMD’s SEV Virtual Machine Encryption

German security researchers claim to have found a new practical attack against virtual machines (VMs) protected using AMD’s Secure Encrypted Virtualization (SEV) technology that could allow attackers to recover plaintext memory data from guest VMs.

AMD’s Secure Encrypted Virtualization (SEV) technology, which comes with EPYC line of processors, is a hardware feature that encrypts the memory

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