Press releases or official statements from Microsoft

U.S., FBI, Microsoft Seize 107 Domains Used by FSB's 'Callisto Group'

Oct 3, 2024, 05:26 PM

U.S. authorities, including the Department of Justice and the FBI, in collaboration with Microsoft, have seized 107 internet domains used by Russian intelligence agents and their proxies to conduct cyber-espionage against U.S. government officials and companies. The DOJ unsealed a warrant authorizing the seizure of 41 domains, while Microsoft is acting to seize an additional 66 domains. These domains were utilized by the FSB's 'Callisto Group' and 'Star Blizzard' for sophisticated spear-phishing campaigns targeting current and former national security officials.