09.10.2025
Apple has added a "grounbreaking" new memory security feature to its new iPhone 17 lineup called Memory Integrity Enforcement (MIE), which the company describes as "the most significant upgrade to

The new security feature targets spyware tools like Pegasus that exploit vulnerabilities to hack targeted devices. According to Apple, MIE provides comprehensive, always-on memory-safety protection covering the kernel and over 70 userland processes, built on the Enhanced Memory Tagging Extension (EMTE).
The new feature is supported by the new A19 and A19 Pro chips found across the iPhone 17 lineup as well as the iPhone Air. Apple says it has also added memory safety improvements for older hardware that doesn't support the new memory tagging features. In addition, Apple is making EMTE available to all Apple developers in Xcode as part of the new Enhanced Security feature that the company released earlier this year during WWDC.
The approach includes mitigation for Spectre V1 attacks that Apple claims works with "virtually zero CPU cost," addressing performance concerns that have plagued similar security features in the past. Apple says these changes make "mercenary spyware" significantly more expensive to develop, and present a major challenge to the surveillance industry.
Based on our evaluations pitting Memory Integrity Enforcement against exceptionally sophisticated mercenary spyware attacks from the last three years, we believe MIE will make exploit chains significantly more expensive and difficult to develop and maintain, disrupt many of the most effective exploitation techniques from the last 25 years, and completely redefine the landscape of memory safety for Apple products.For in-depth information about the new MIE security feature, readers should refer to Apple's Security Research blog.
Tag: Apple Security
Related Forum: iPhone
This article, "iPhone 17 Introduces 'Groundbreaking' New Memory Security Feature" first appeared on MacRumors.com
Discuss this article in our forums
You may also be interested in this
Snapchat has found more t…
06.29.2023
After launching a premium version of its platform, Snapchat reported a cool one million subscribers in just six weeks last summer. A year later, Snap is sharing a new milestone.
iOS 17.3 Beta: All the Ne…
12.15.2023
Apple started testing the iOS 17.3 and iPadOS 17.3 betas in December, and while we are not expecting these updates to be as feature rich as iOS and iPadOS 17.2,
Apple expands Self Servic…
12.13.2023
Apple is expanding Self Service Repair, and launching a new diagnostic tool that gives users more transparency and autonomy to troubleshoot issues. Self Service Repair is now available for the
Want to feel the Apple fe…
06.03.2024
Apple has a rich history of distinctive product designs. So much so that some of its classic product looks can inspire deep nostalgia and affection even decades later. Here are
Apple reveals macOS Sonom…
06.05.2023
Apple's macOS 14 Sonoma has debuted at WWDC, boasting widgets, new screensavers, improvements to messages, Game Mode, and more.As unveiled at WWDC 2023, the updated new macOS 14 Sonoma resembles
Belkin launches new Boost…
10.31.2023
Belkin has just taken the wraps off its latest Apple-specific charging accessory, the BoostCharge Pro 2-in-1 that includes both MagSafe and an Apple Watch pucks.Belkin BoostCharge Pro 2-in-1 DockThe new
You can now subscribe to …
09.18.2023
Apple on Monday released multiple software updates, including iOS 17, tvOS 17, and watchOS 10. But there’s another update coming from Apple today, and this one is for iCloud. From
Apple-backed right to rep…
10.11.2023
The right to repair bill SB 244 has been signed into law, which Apple has previously stated support for due to already complying with its requirements.Apple Self Repair ProgramApple is