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 Band patch. Take a look and update Exchange! https://t.co/GWGxQWAdGO
— Steven Adair (@stevenadair) March 2, 2021
Despite Microsoft saying that a threat actor (dubbed Hafnium) has been using the vu ..
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