There's also a paper Hard Drive of Hearing: Disks that Eavesdrop with a Synthesized Microphone. An APT attacker can potentially reflash the firmware on an HDD a

There's also a paper Hard Drive of Hearing: Disks that Eavesdrop with a Synthesized Microphone. An APT attacker can potentially reflash the firmware on an HDD and using it as a microphone for eavesdropping. https://andrewkwong.org/docs/Kwong-HDDphone-IEEE-SP-2019.pdf https://andrewkwong.org/docs/Kwong-HDDphone-IEEE-SP-2019.pdf