Covert channel in Apple’s M1 is mostly harmless, but it sure is interesting

Ars Technica
By Dan GoodinMay 28, 2021, 8:15 am551 pts
Enlarge (credit: Apple) Apple's new M1 CPU has a flaw that creates a covert channel that two or more malicious apps—already installed—can use to transmit information to each other, a developer has found. The surreptitious communication can occur without using computer memory, sockets, files, or any other…

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