The lock screen on your phone and tablet is all that stands in the way of an unwanted visitor and everything in your digital life. Here are the settings on the latest versions of Android and iOS to be aware of if you want to make sure your lock screen is in lockdown mode. On Android, choose a more unpredictable pattern or create a longer PIN (up to 16 digits) and your chances of staying protected are much better. For the most complete security, activate Touch ID if you can (native fingerprint sensing tech is coming to Android Marshmallow too)”]
Source: https://gizmodo.com/4-tips-for-a-more-secure-lock-screen-1726875890