According to the recent FBI and CISA Cybersecurity Advisory on Microsoft Exchange Server vulnerabilities, these vulnerabilities allow an attacker to access a victims’ Exchange Servers, enabling them to gain persistent system access and control of an enterprise network. It has the potential to affect tens of thousands of systems in the United States and provides adversaries with access to networks containing valuable research, technology, personally identifiable information (PII), and other sensitive information from entities in multiple U.S. sectors.

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