From what I understand, an airgapped computer got infected back after having its disk erased, its BIOS flashed and its OS reinstalled. His guess now is that the

From what I understand, an airgapped computer got infected back after having its disk erased, its BIOS flashed and its OS reinstalled. His guess now is that the malware would be inside the RealTek audio chip software. From there it could theorically download the bios malware back on the computer through the high frequency connection (that does sound crazy!) See: https://plus.google.com/u/0/103470457057356043365/posts/3reWRqDMbn4 https://plus.google.com/u/0/103470457057356043365/posts/3reW...