Your Android lock screen pattern isn’t as safe as a PIN code

What’s safer? Using a numeric PIN code to unlock your Android smartphone or relying on a finger squiggle?

Newly-released research suggests that, at least when someone close by could be looking over your shoulder, you might be safer with an old-fashioned PIN.

https://www.welivesecurity.com/2017/09/28/android-lock-screen-pattern-isnt-safe-pin-code/