Apple's iPhones have long been protected by numeric passcodes, giving iOS users a way to protect keep their devices safe from hackers and prying eyes. Over the years, passcodes have been supplemented ...

It’s time to stop using that useless six-digit passcode on your iPhone. Now that cops around the United States are going crazy for the GrayKey, a little box that can crack your iPhone’s passcode in ...

Having an unlocked iPhone–without so much as a four-digit barrier between you and some subway snatcher–is asking for trouble. Four-digit passcodes or PINs were the only way to secure the earliest ...

DIGIPIN, or Digital Postal Index Number, is a 10-character alphanumeric code assigned to a 4m x 4m area in India, providing a precise location, unlike general PIN codes. Developed by India Post, IIT ...

Boarding passes contain codes that communicate details about passengers and their itineraries to airport staff. Travelers should not throw away or post pictures of their boarding passes online due to ...