THIS MEMORY-DEPENDENT PREFETCHER HAS TEETH — Fixing newly discovered side channel will likely take a major toll on performance. Aurich Lawson | Apple A newly discovered vulnerability baked into Apple’s M-series of chips allows attackers to extract secret keys from Macs when they perform widely used cryptographic operations, academic researchers have revealed in a paper published Thursday. The flaw—a side channel allowing end-to-end key extractions when Apple chips run implementations of widel...