iOS 14’s ‘BlastDoor’ is a security feature for the Messages app

With iOS 14, Apple has adopted a new security system called “BlastDoor,” which is basically a sandbox mode that protects the Messages app from the rest of iOS, according to ZDNet.

The feature was discovered by Samuel Groß, a security researcher with Project Zero, a Google security team tasked with finding vulnerabilities in commonly-used software. While iOS ships with multiple sandbox mechanisms, BlastDoor is a new addition that operates only at the level of the iMessage app.

According to ZDNet, BlastDoor’s duty is to take incoming messages and unpack and process their content inside a secure and isolated environment, where any malicious code hidden inside a message can’t interact or harm the underlying operating system or retrieve with user data.