Cyber espionage hackers who broke into security firm Bit9 initially breached the companys defenses in July 2012, according to evidence being gathered by security experts investigating the incident. The custom-made malicious software used in the attack was deployed last year in highly targeted attacks against U.S. defense contractors. Bit9 will not reveal the identities of the customers that were apparently the true target of the breach. The company plans to share more details about its investigation into the intrusion in a post to be published Thursday.”]
Source: https://krebsonsecurity.com/2013/02/bit9-breach-began-in-july-2012/