History: It was published that Microsoft Exchange had been exploited with the hafnium targeting exchange servers,Source: https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/ To confirm we were not impacted I reconfigured the Security Onion to monitor email traffic flow. We discovered suspicious IP addresses that did fall within the range of some of the suspected internet IPs that were listed as […]
Microsoft Exchange Vulnerabilities The following information came from this link from the Cybersecurity & Infrastructure Security Agency. Summary Note: This Alert was updated March 5, 2021 to provide further guidance. Cybersecurity and Infrastructure Security (CISA) partners have observed active exploitation of vulnerabilities in Microsoft Exchange Server products. Successful exploitation of these vulnerabilities allows an unauthenticated attacker […]
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