How to Identify Compromised Microsoft Exchange Server Assets Using Tenable
As organizations continue to respond to a flurry of attacks by HAFNIUM and other threat actors leveraging Proxylogon (CVE-2021-26855) and related vulnerabilities (CVE-2021-26857, CVE-2021-26858, CVE-2021-27065), Tenable has released a plugin to help you identify potentially compromised assets. Background Microsoft published an out-of-band advisory for four zero-day vulnerabilities in Microsoft Exchange Server on March 2 in response to in-the-wild exploitation of these flaws by a nation-state threat actor known as HAFNIUM as well as several other…
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