New Delhi, March 19 -- Apple has warned iPhone users to update their iPhone after a new report revealed that a latest exploit is being actively used by Russian-linked actors to take control of phones running on older versions of iPhones.

A report by Google Threat Intelligence Group (GTIG), along with Lookout and iVerify, had revealed on Wednesday that suspected Russian state sponsored actors were using an exploit called DarkSword to gain full control of iPhones running on iOS versions 18.4 through 18.7.

"Since at least November 2025, GTIG has observed multiple commercial surveillance vendors and suspected state-sponsored actors utilizing DarkSword in distinct campaigns. These threat actors have deployed the exploit chain against targets...