Exchange Servers targeted via zero-day exploits, have yours been hit?

Microsoft has released out-of-band security updates for seven bugs affecting Microsoft Exchange Servers, four of which are zero-day vulnerabilities being exploited by attackers in the wild to plunder on-premises machines. According to Volexity, the attacks have been going on for nearly two months, possibly even longer. Our team has been tirelessly working several intrusions since January involving multiple 0-day exploits in Microsoft Exchange. We've released the details of this threat activity alongside Microsoft's Out of … Continue reading Exchange Servers targeted via zero-day exploits, have yours been hit?