Many of us use the same 4-digit code for everything. Phones, credit cards, and even padlocks. A new report has shown that millions of people are using identical PIN codes, making phones and bank ...

A 4-digit iPhone passcode is about as insecure as it gets, and this black box can figure yours out in just a few days. So it's time to consider better security.

Consider increasing your security by switching over to a 6-digit PIN on your phone or computer. Most platforms already default to 6-digit PINs, but if you're using a less secure 4-digit variant, I ...

iOS 9 did change things and make 6-digit PIN codes the default, but it seems there are a lot of people out there still using 4-digit PINs.

If you're using a 4-digit PIN code, stop what you are doing and change it right now. I'll wait for you. Good iOS security starts with having a really strong passcode.

The new safety feature will give Uber riders the option to receive a four-digit PIN code to provide to a driver before the trip can begin.