A leaked confidential document from Cellebrite, reported by Justin.sh and highlighted by Bruce Schneier, points to a possible new iPhone radio zero-day. According to the source, Cellebrite internally calls this capability 'Advanced Unlocks' (AU).
The source stresses that AU should not be confused with the 'advanced unlocking services' Cellebrite has marketed for years. The distinction suggests a new, more sophisticated technique, though the technical details are not disclosed in the available excerpt.
Schneier's blog post also references a press release from earlier this year that confirms something related, but the specifics are not provided in the source. The report raises concerns about the security implications of such a capability in the hands of law enforcement.