Here’s Why You May Not Want To Use FaceTime
According to News Center Maine, there's a bug in the Apple Facetime app that let's people calling you listen in on your conversations even if you don't answer.
The glitch has been reported on tech groups and demonstrated on video
Supposedly, it only works in Group FaceTime, but why take the chance.
You may want to disable to app until the fix for the bug comes from Apple later this week.