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Microsoft to Block Unsupported Exchange Servers from Sending Emails to Exchange OnlineMicrosoft is introducing a transport-based enforcement system in Exchange Online that will throttle and block emails from old Exchange Servers.… -
Microsoft Advises IT Admins to Remove Some Exchange Server Antivirus ExclusionsMicrosoft has published an advisory recommending IT admins to remove select antivirus exclusions in Exchange Servers. The company explained that…
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Microsoft Recommends IT Admins to Patch Exchange ServersMicrosoft has recommended customers to deploy the latest January 2023 security updates on on-premises Exchange servers. The company urges IT…
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Microsoft Releases Exchange Server Updates to Improve Security of PowerShell PayloadsMicrosoft has released yesterday the January 2023 Security Updates (SUs) for all supported versions of the Exchange Server. The latest…
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Microsoft Warns About New Zero-Day Vulnerabilities in Exchange ServerMicrosoft has issued an advisory about two new zero-day vulnerabilities affecting Exchange Server. The critical flaws, which were discovered by…
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Microsoft Exchange Servers Hit By Stealthy IIS BackdoorsMicrosoft has published a security advisory about a new wave of malware attacks that target Exchange Servers. The company has…
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Kaspersky Discloses New ‘SessionManager’ Backdoor Targetting Microsoft Exchange ServersSecurity vendor Kaspersky has warned about a new malware that allows attackers to backdoor Microsoft Exchange servers. Dubbed SessionManager, the…
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Microsoft Postpones the Release of Next Version of Exchange Server Until 2025Microsoft has delayed its plans to release the next version of on-premises Exchange Server in the second half of 2021.…
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Microsoft to Ship Some Exchange Server Security Updates in .EXE PackagesMicrosoft has announced some major changes to the delivery process for security updates (SUs) and hotfixes (HFs) for Exchange Server.…
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Hive Ransomware Group Attacks Vulnerable Microsoft Exchange ServersSecurity researchers have revealed a new series of ransomware attacks carried out by the Hive ransomware group to target Microsoft…
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Patch Tuesday January 2022 – Wormable Bug in Windows and a Critical Bug in Exchange Server Get FixesMicrosoft patches a wormable bug in http.sys in Windows and Windows Server. There are also fixes for three remote code… -
Microsoft Delivers Emergency Fix For Exchange Y2K22 BugMicrosoft has released an official fix for the “Y2K22” bug that was previously preventing on-premise Exchange servers from sending emails. This…
