And the most common four-digit PIN found in data breaches is also a highly guessable one: the simple "1234," according to a recent Australian Broadcasting Corporation analysis of data from ...

And the most common four-digit PIN found in data breaches is also a highly guessable one: the simple "1234," according to a recent Australian Broadcasting Corporation analysis of data from ...

A prudently chosen four-digit PIN is secure enough, mainly because manufacturers limit the number of attempts to enter a PIN. Apple locks the device completely after ten incorrect entries.

Your smartphone holds a huge amount of important data about you, so why are people still using these 20 insecure PIN codes?

At ABC News (from the Australian Broadcasting Corporation), Julian Fell and Teresa Tan collaborated on an engaging piece that illustrates the popularity of certain four-digit PINs: Whether it’s to ...

iOS has a built-in blacklist of certain four-digit and six-digit PIN codes. But which combination of numbers are blacklisted, and does this improve security? These security researchers built a ...

However, the big carriers now require a four-digit or six-digit PIN to port out your phone number to a new carrier.