Russian state hackers are using a maximum severity vulnerability in Microsoft Outlooks Exchange Server to backdoor unpatched machines and steal credentials and other confidential information from them, security researchers said Thursday. The attacks are coming from TA488, a tracking name for a group working on behalf of the Kremlin, Proofpoint researchers said Thursday . Proofpoint and the National Security Agency jointly warned last week that the group, also tracked as Laundry Bear and Void...
