The Pentagon shut down the Joint Chiefs of Staff’s unclassified unclassified email system last month. Officials say that no classified information was compromised and only unclassified accounts were hacked. A phishing email that tricked a bunch of people into opening it and then stole their network credentials has been taken down. It’s not the first time in recent months that Russians have been blamed for a major cyberattack against the U.S. government. In April, Defense Secretary Ashton Carter said that Russian hackers had briefly broken into the Pentagons unclassified networks.”]
Source: https://gizmodo.com/russians-blamed-for-cyberattack-on-pentagon-email-syste-1722831040