Huffingtonpost reports: A security loophole has been discovered in Siri, the much-touted iPhone 4S voice-control function. Turns out, the default setting for Apple's beloved A.I., is "On." This means that even when your phone is locked, anyone could pick it up, hold down the home button and tell Siri to send texts and emails to your contacts.
Graham Cluley at Sophos' Naked Security blogtested this flaw out on a locked iPhone 4S and was able to send texts and emails using Siri--without ever entering a password. Thankfully, there's an easy fix. Here's how.