Alert for iPhone, iPad users: Upgrade your OS urgently

Cupertino, California - Apple made the software upgrades available Tuesday, adding a rare note suggesting it was a serious threat.

Apple is urging iPhone and iPad users to update their devices to fix security flaws that might have been “actively exploited” by hackers.

Apple made the software upgrades available Tuesday, adding a rare note suggesting it was a serious threat.

The company credited anonymous researchers for pointing out the vulnerability but provided little details about the nature of the threat.