Apple’s latest iPhone security feature just made life more difficult for spyware makers

Apple announced Memory Integrity Enforcement (MIE) for iPhone 17/Air, a system-wide default defense built on Arm’s Enhanced Memory Tagging Extension (EMTE) that tags memory to block corruption-based exploits, aiming to blunt both remote spyware and physical forensic attacks while generating crash logs that aid detection; experts say it will significantly raise exploit development costs and make the newest iPhones among the most secure, though determined attackers may still succeed and third-party apps must adopt MIE to extend protections.