Cisco Talos researchers have identified a new backdoor being deployed by the Turla APT against targets in multiple countries.
The Fancy Bear attack group has been running a long-term brute-force campaign against Office 365 and Exchange servers in U.S. organizations, the NSA said.
Microsoft said the Nobelium threat group recently compromised one of its customer support agents and then used stolen account information to target some customers.
The Department of Justice seized two domains used in the Nobelium spear-phishing campaign that impersonated the United States Agency for International Development.
A phishing campaign by the Russian actor known as Nobelium impersonated the United States Agency for International Development while targeting government agencies and humanitarian groups.