As helpful as a Square Reader may be for purchases at trendy stores, you'll want to watch out -- in the right circumstances, they can also be used to steal your credit card info. Security researchers ...

The Square Reader has helped lower the barrier to entry for many small retailers keen to take payments on card. Now, though, new research reveals that it’s possible to turn one of the readers into a ...

As a credit card payment-related device, the Square Reader accessory for iOS has maintained a decent track record in not falling victim to malicious hacks. Unfortunately, that might be about to change ...

Twitter co-founder Jack Dorsey just flicked on the public spotlight over his new venture: Square. It’s a tiny plastic blob that gives smartphones the ability to act as secure credit card readers. It’s ...

There’s a certain charm in retaining a cash-only checkout policy—if you’re a mom-and-pop still actually run by (aging) Mom and/or Pop. Under any other circumstances, there is, of course, an app for ...