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Alerts
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Update to Alert on Mitigating Microsoft Exchange Server Vulnerabilities
Original release date: March 4, 2021 CISA is aware of threat actors using open source tools to search for vulnerable Microsoft Exchange Servers and advises entities to investigate…
4 min read
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Joint NSA and CISA Guidance on Strengthening Cyber Defense Through Protective DNS
Original release date: March 4, 2021 The National Security Agency (NSA) and CISA have released a Joint Cybersecurity Information (CSI) sheet with guidance on selecting a protective Domain…
4 min read
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CISA Orders Federal Agencies to Patch Exchange Servers
Espionage attacks exploiting the just-patched remote code-execution security bugs in Microsoft Exchange servers are quickly spreading.
4 min read
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Unpatched Bug in WiFi Mouse App Opens PCs to Attack
Wireless mouse-utility lacks proper authentication and opens Windows systems to attack.
4 min read
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AA21-062A: Mitigate Microsoft Exchange Server Vulnerabilities
Original release date: March 3, 2021 Summary Cybersecurity and Infrastructure Security (CISA) partners have observed active exploitation of vulnerabilities in Microsoft Exchange Server products. Successful exploitation of these…
4 min read
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CISA Issues Emergency Directive and Alert on Microsoft Exchange Vulnerabilities
Original release date: March 3, 2021 CISA has issued Emergency Directive (ED) 21-02 and Alert AA21-062 addressing critical vulnerabilities in Microsoft Exchange products. Successful exploitation of these vulnerabilities…
4 min read
