"The feature is currently available for testing in iOS and iPadOS 26.4 Beta, and is expected to be shipped to customers in a future update for iOS, iPadOS, macOS, and watchOS. "End-to-end encryption is in beta and is not available for all devices or carriers," Apple said in its release notes. "Conversations labeled as encrypted are encrypted end-to-end, so messages can't be read while they're sent between devices.""
"The latest beta also comes with a new feature that allows applications to opt in to the full safeguards of Memory Integrity Enforcement (MIE) for enhanced memory safety protection. Previously, applications were limited to Soft Mode, Apple said. MIE was unveiled by the company last September as a way to counter sophisticated mercenary spyware attacks targeting its platform by offering "always-on memory safety protection" across critical attack surfaces such as the kernel and over 70 userland processes without imposing any performance overhead."
A new developer beta introduces end-to-end encryption (E2EE) support for Rich Communications Services (RCS) messages in iOS and iPadOS 26.4. The feature is available for testing in the 26.4 beta and is slated for a future update across iOS, iPadOS, macOS, and watchOS. Encrypted conversations are protected in transit, but E2EE is in beta and not available for all devices or carriers. RCS encryption availability is limited to conversations between Apple devices and does not extend to other platforms like Android. The beta also enables apps to opt into full Memory Integrity Enforcement for stronger memory safety. Stolen Device Protection is expected to be enabled by default, requiring biometric authentication for sensitive actions when the device is away from familiar locations.
Read at The Hacker News
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