The press - specifically the tabloid press - is hyperventilating over a video that's appeared on YouTube that allegedly shows Siri being used to bypass the iPhone's lockscreen passcode. Don't panic, there's no security risk here.
According to the video, the trick to bypassing the passcode is to ask Siri the time, which appears to give users access to the Clock app and subsequently the contents of the whole iPhone.
You don't have to be eagle-eyed to notice what's actually happening here - the user is simply activating Touch ID while summoning Siri. Yes, I know, it's really that simple, and I'm only covering this in an attempt to balance out the flood of stupidity. Here's a snippet from Google News this morning.
Let's file this video under "roll-your-eyes-stupid."