Setting a passcode on your iPhone is the first line of defense to help prevent other people from accessing your personal details.
However, it’s pretty much easy for anyone with access to your iPhone to bypass the passcode protection (doesn’t matter if you configured Touch ID or not) and access your personal photos and messages.
A new critical security flaw discovered in iOS 8 and newer,
Apple gave you a reason to turn your Siri OFF.
A critical security flaw in Apple’s newest iPhones running the latest version of the iOS operating system allows anyone to bypass the phone’s lockscreen and gain access to personal information.
The iPhone lockscreen bypass bug only works on the iPhone 6S and iPhone 6S Plus, as these devices take advantage of the 3D Touch functionality that
Software and Security Information