The Ministry of Defence has suffered a significant data breach, exposing the personal information of UK military personnel. The department immediately disconnected the external network operated by a contractor. The hack targeted a third-party payroll system used by the MoD, which contains the bank account information and names of former and current members of the armed services. It is also possible that a very small number of addresses were accessed. The BBC and Sky, who first reported the story, initial investigations had found no proof that data had been removed. According to the data obtain…