Barnes & Noble calls hack on credit card readers a ‘sophisticated criminal effort’

Hackers compromised credit card readers at 63 Barnes & Noble stores, according to the company. The bookseller is urging customers to check their bank statements for fraudulent activity and to change their ATM pins.

Square seeks $200M at a whopping $3.25B valuation

Mobile credit card transactions startup Square is rumored to be closing a new $200 million round of funding, according to a New York Times report that cites anonymous sources familiar with the matter.

If the news is true, the round …

Come Sail away with Verifone’s new payment platform — yet another Square wannabe

Yup, it’s another credit card reader dongle for your phone. After launching the clunky PayWare credit card reader in early 2010, payment provider Verifone is today announcing Sail, a revamped mobile payment platform with a sleek new dongle to combat …