Square IPO is warning to tech 'unicorns' (Update)

Mobile payments startup Square said Friday it will raise up to $403 million in its stock offering—but it may be valued less on Wall Street than by private investors.

Amazon debuts mobile payment app and card reader (Update)

Amazon is taking direct aim at mobile payment systems such as Square by introducing the Amazon Local Register, a credit-card processing device and mobile app designed to help small business owners accept payments through ...

Expect more online fraud as new credit cards arrive

The new chip credit cards that shoppers are getting in their mailboxes may prevent criminals from stealing from stores, but many thieves are expected to move their operations online. Small businesses could be the most vulnerable.

Samsung rejects claims of Galaxy Note defect

Samsung on Wednesday rejected claims that its new oversized smartphone had a defect, after some customers posted pictures of a gap between the frame and display panel.

Charges: Russian stole data from restaurants, zoo

A Russian man recently arrested on bank fraud and other charges hacked into computers at restaurants in Western Washington, hundreds of other retail businesses, and even the Phoenix Zoo, U.S. authorities allege.

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