Tag: Exchange Server
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Actively exploited Exchange Server flaw potentially impacts about 100K instances
Nearly 97,000 Microsoft Exchange Servers could be at risk of ongoing attacks leveraging the critical privilege escalation zero-day …
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Critical Exchange Server zero-day under active exploitation
BleepingComputer reports that organizations have been advised by Microsoft regarding the active exploitation of a critical Exchange Server …
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Critical Exchange Server Flaw (CVE-2024-21410) Under Active Exploitation
Microsoft on Wednesday acknowledged that a newly disclosed critical security flaw in Exchange Server has been actively exploited in the …
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How an unpatched Microsoft Exchange 0-day likely caused one of the UK’s biggest hacks ever
It’s looking more and more likely that a critical zero-day vulnerability that went unfixed for more than a month in Microsoft Exchange …
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Modern Auth comes to on-prem Exchange Server gear
Microsoft last year said that it was putting off the next version of Exchange Server until the second half of 2025 so engineers could …
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Hackers Exploited Critical Microsoft Outlook Vulnerability To Gain Exchange Server Access
In response to a recent vulnerability identified in Outlook, Microsoft recently published a proper guide for its customers to help them …
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Microsoft: Update On-Premises Exchange Server Now
Microsoft has urged administrators of on-premises Exchange servers to keep them patched and updated, warning that attackers “are not …
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Five Ways to Improve Exchange Server Security and Ensure Business Continuity
A ransomware attack can bring your entire organization to a halt. Many state-sponsored and financially motivated threat actors often target …
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Microsoft Addresses Zero-Days, but Exchange Server Exploit Chain Remains Unpatched
The computing giant didn’t fix ProxyNotLogon in October’s Patch Tuesday, but it disclosed a rare 10-out-of-10 bug and patched two other …
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Microsoft Issues Improved Mitigations for Unpatched Exchange Server Vulnerabilities
Microsoft on Friday disclosed it has made more improvements to the mitigation method offered as a means to prevent exploitation attempts …
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Microsoft Updates Mitigation for Exchange Server Zero-Days
Researchers had discovered that Microsoft’s original mitigation steps for the so-called “ProxyNotShell” flaws was easily …
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Microsoft Confirms Two Exchange Zero-Day Vulnerabilities
Microsoft has today confirmed the existence of two new zero-day vulnerabilities allowing for remote code execution on Microsoft Exchange …
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