Calif.io iOS attack defeats Lockdown Mode and survives update
Comments
Ranked by a public rubric, not by votes: what a comment adds counts, not who wrote it. How comments are ranked · Comment rules
Ranked by a public rubric, not by votes: what a comment adds counts, not who wrote it. How comments are ranked · Comment rules
Summary
Security firm Calif.io, including researcher Stefan Esser, says it has built an iOS exploit that defeats Apple's Lockdown Mode, starting from a malicious PDF delivered via AirDrop, and that the compromise persists even after installing iOS 27.2.