Tag: Microsoft

CISA emergency directive urges to fix Microsoft Exchange zero-days

The US Cybersecurity and Infrastructure Security Agency (CISA) has issued an emergency directive related to recently fixed Microsoft Exchange zero-days.  The US Cybersecurity and Infrastructure Security Agency (CISA) has issued the Emergency Directive 21-02 in response to the disclosure of zero-day vulnerabilities in Microsoft Exchange.  This week Microsoft has released emergency out-of-band security updates that address four […]

Microsoft Exchange Zero-Day Attackers Spy On U.S. Targets

Packet Storm

URGENT — 4 Actively Exploited 0-Day Flaws Found in Microsoft Exchange

Microsoft has released emergency patches to address four previously undisclosed security flaws in Exchange Server that it says are being actively exploited by a new Chinese state-sponsored threat actor with the goal of perpetrating data theft. Describing the attacks as “limited and targeted,” Microsoft Threat Intelligence Center (MSTIC) said the adversary used these vulnerabilities to access The Hacker […]

Microsoft Shares Additional Mitigations for Exchange Server Vulnerabilities Under Attack

Microsoft on Friday released alternative mitigation measures for organizations who have not been able to immediately apply emergency out-of-band patches released earlier this week that address vulnerabilities being exploited to siphon e-mail data from corporate Microsoft Exchange servers. read more SecurityWeek RSS Feed
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