Point-of-sale data breaches have now reached the cloud

The latest in a string of hacks against retail point-of-sale systems has hit the operator of a cloud-based service with about 38,000 business clients.Montreal-based Lightspeed reported the breach on Thursday and said it affected a system that retailers can use from tablets, smartphones and other devices.  The incident occurs as a growing number of retailers and hotels have been targeted by hackers, who typically install malware into the point-of-sale systems to steal credit card numbers.To