Microsoft says there has been no breach to the security of its Xbox Live service. The hacker, who goes by the Twitter handle “@Reckz0r, wrote on Pastebin that Microsoft stored the login credentials in plain text. The data included email addresses and passwords, he added. Microsoft: “Xbox Live has not been hacked” The hacker has a track record of posting old data on MasterCard and Visa cardholders in the past, including old data from 2008 and 2009. In June, he posted a link on Pastebin to a data dump, writing on Twitter that he had “penetrated 79 large banks””]