A German-American team of IT security researchers has investigated how users choose the PIN for their mobile phones and how they can be convinced to use a more secure number combination. They found ...

Find out if you're one of them. The last line of security for much of your digital life probably isn't as secure as you think. Whether it's to unlock your smartphone, access your online banking or get ...

When I updated iOS on my iPhone, I was forced to choose a six-digit passcode instead of a four-digit one. Is there any way to go back? As part of its drive to increase security on Apple devices, the ...