Check if someone has been using your phone or laptop | Popular Science
With so much sensitive data and access to so many apps and services on our phones and laptops, it makes sense that we don’t want unwelcome visitors snooping around.
That’s why it’s essential to get a PIN code, fingerprint lock, password or some other kind of security protection in place, so that you and only you can access everything within your gadgets.
[ Source : Popular Science ]