Bitcoin exchange Bitstamp suspends service after security breach - [Reuters]"(Reuters) - Bitstamp, one of the largest exchanges for trading the digital bitcoin currency, said it has suspended its service after a security breach on Sunday, resulting in loss of around 19,000 bitcoins.
The breach represented a small fraction of its total bitcoin reserve and the majority was held in secure offline systems, the Slovenia-based firm posted on its website on Tuesday."
http://www.reuters.com/article/2015/01/06/us-bitstamp-cybersecurity-idUSKBN0KF0UH20150106?feedType=nl&feedName=usbeforethebell 
