As tempting as it might be, avoid using 0000 as your four-digit PIN code. Same goes for 1010, 1111, 1122, and 1212, which comprises the top five worst PIN codes, according to a list compiled by ...

Resetting a Kwikset lock involves removing the battery pack and holding down a button, while changing the code can be done ...

In an age of advanced security measures—Face ID, biometric scans, and multi-factor authentication—it's surprising that ATMs still rely on a simple 4-digit PIN. The 4-digit PIN traces its roots back to ...

Guess how long it would take a computer to brute-force an 8-number password. The answer: instantly. That's according to Hive Systems' Password Table, which shows how shockingly quick passwords of ...

A credit card CVV, or card verification value, is a three- or four-digit security code that appears on your credit card and is used to prevent fraud. Many or all of the products on this page are from ...

PLU codes are small number labels found on fruits and vegetables that help identify how they were grown—whether conventionally, organically, or genetically modified. These codes make checkout easier ...

The strength of Apple’s revised encryption scheme in iOS 8 hinges on users choosing a strong passcode or password, which they rarely do, according to a Princeton University fellow. Apple beefed up the ...

It’s been thought for a while that a four-digit passcode on an iPhone (and other devices) was too weak. While Apple had safeguards in place to prevent repeated failed attempts, a proof of concept in ...

Emma Neesha is a forgetful sort, and she has just locked herself out of her house with her keys still inside. Not to worry, she installed keypads on both her house and car for such occasions.