Hackers have targeted units of local government in the U.S. by attempting to exploit unpatched vulnerabilities in Microsoft Exchange email servers. Microsoft issued a security update about patching four vulnerabilities in Exchange servers that the company says have been under attack by a Chinese hacking group it calls Hafnium. Microsoft called the attacks related to the flaws “limited and targeted,” but other security researchers have seen upticks in hacking activity. The White House is monitoring progress made by federal agencies to patch and mitigate the flaws.”]
Source: https://www.databreachtoday.com/hackers-exploit-exchange-flaws-to-target-local-governments-a-16125