CVE-2021-26855

U.S. government releases advisories and indictments related to “sophisticated Chinese state-sponsored activity”

The Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the National Security Agency (NSA) have observed “sophisticated Chinese state-sponsored activity” targeting multiple public and private sectors in the United States.

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CISA publishes reports on DearCry ransomware and China Chopper Web Shell malware linked to Exchange Server exploits (update-2)

The Cybersecurity and Infrastructure Security Agency (CISA) has published reports on DearCry ransomware and China Chopper Web Shell malware linked to recent Exchange Server exploits. Attackers can use this malware to further compromise on-premise Microsoft Exchange servers and launch other attacks.

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FBI and CISA issue urgent joint cybersecurity advisory on Exchange server hacks

The Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) have issued an urgent joint cybersecurity advisory on the Microsoft Exchange vulnerability exploits.

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Microsoft March 2021 Security Updates, fixes for 14 Critical bugs

Microsoft has released the March 2021 Security updates that includes patches for 89 vulnerabilities, 14 of those rated Critical. The fixes follow just after the tech giant released emergency patched for Exchange flaws being exploited in the wild.

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Microsoft releases emergency patches for Exchange Server RCE vulnerabilities exploited in the wild (Updated)

Microsoft has released emergency out-of-band security updates to fix multiple Critical vulnerabilities impacting Microsoft Exchange Server 2013, 2016 and 2019. The tech giant also published interim mitigations if organizations can not patch immediately, as well as an IOC detection tool.

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