Flash Report: Microsoft Discovers Multiple Zero-Day Exploits Being Used to Attack Exchange Servers
On-Premises Exchange Servers and All Hybrid Systems Impacted On Tuesday, March 2, 2021, Microsoft released four out-of-cycle security updates for on-premises Microsoft Exchange Servers to address vulnerabilities that have been exploited in limited and targeted attacks by a previously unknown Chinese espionage group. Upon validating the attacks, Microsoft immediately shared patches of all affected systems with customers and the security community. The Microsoft Threat Intelligence Center (MSTIC) attributed the attacks to Hafnium and explained […]
