Yesterday, iOS 18.3.1 for iPhone dropped, and while the last few updates have been packed with new features — many related to Apple Intelligence — this one seems to be primarily a security update.
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And it’s an important one.
iOS 18.3.1 packs a pretty serious security update.
Adrian Kingsley-Hughes/ZDNET
Pretty serious, but niche
The release notes are vague, mentioning that the update contains “important bug fixes and security updates and is recommended for all users.”
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However, a little digging into Apple’s security documents sheds more light on the update. It addresses a bug that makes use of “an extremely sophisticated attack” to “disable USB Restricted Mode on a locked device.” This is clearly a physical attack, requiring hands-on access to the iPhone, so it’s unlikely to impact the…