Apple puts new security system for iMessages in iOS 14 update

Apple has added a new security system in iOS with the new update to protect iPhone and iPad users against cyber attacks via iMessages. Called BlastDoor and discovered by a security researcher with the Google Project Zero team in the iOS 14 update, the new security system is a basic sandbox. "One of the major changes in iOS 14 is the introduction of a new, tightly sandboxed `BlastDoor` service which is now responsible for almost all parsing of untrusted data in iMessages," Samuel Groß, Project Zero, wrote in a blog post on Thursday.

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"Furthermore, this service is written in Swift, a (mostly) memory safe language which makes it significantly harder to introduce classic memory corruption vulnerabilities into the code base," he informed.

He discussed three improvements in iOS 14 affecting iMessage security: the BlastDoor service, resliding of the shared cache, and exponential throttling.

"Overall, these changes are probably very close to the best that could`ve been done given the need for backwards compatibility, and they should have a significant impact on the security of iMessage and the platform as a whole," the security researcher noted.

"It`s great to see Apple putting aside the resources for these kinds of large refactorings to improve end users` security," he added.

iMessages are texts, photos, or videos that you send to another iPhone, iPad, iPod touch, or Mac over Wi-Fi or cellular-data networks. These messages are always encrypted and appear in blue text bubbles.

The story has been taken from a news agency