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Microsoft has announced plans to disable Outlook Web Access (OWA) Light, the lightweight version of the Outlook Web App email client, in a future Exchange Server update. [...]
Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come under active exploitation in the wild
Microsoft has announced that the Exchange Server Subscription Edition (SE) is now available to all customers of its enterprise email service. [...]
Microsoft has re-released the November 2024 security updates for Exchange Server after pulling them earlier this month due to email delivery issues on servers using custom mail flow rules. [...]
Microsoft on Monday said it detected Kremlin-backed nation-state activity exploiting a critical security flaw in its Outlook email service to gain unauthorized access to victims' accounts within Exchange servers
Tens of thousands of Microsoft Exchange email servers in Europe, the U.S., and Asia exposed on the public internet are vulnerable to remote code execution flaws. [...]
An unnamed government entity associated with the United Arab Emirates (U.A.E.) was targeted by a likely Iranian threat actor to breach the victim's Microsoft Exchange Server with a "simple yet effective" backdoor dubbed PowerExchange
If you need extra time to dump RPS, OK, but email from unsupported Exchange servers is blocked till they’re up to date Some Exchange Online users who have the RPS feature turned off by Microsoft can now have it re-enabled – at least until September when the tool is retired.…
If you want to keep the miscreants out, put the updates in, Redmond says Microsoft is urging organizations to protect their Exchange servers from cyberattacks by keeping them updated and hardened, since online criminals are still going after valuable data in the email system.…
Microsoft Corp. is investigating reports that attackers are exploiting two previously unknown vulnerabilities in Exchange Server, a technology many organizations rely on to send and receive email. Microsoft says it is expediting work on software patches to plug the security holes. In the meantime, it is urging a subset of Exchange customers to enable a setting that could help mitigate ongoing attacks.
Microsoft on Thursday warned of a consumer-facing attack that made use of rogue OAuth applications on compromised cloud tenants to ultimately seize control of Exchange servers and spread spam
Microsoft today released updates to fix a record 141 security vulnerabilities in its Windows operating systems and related software. Once again, Microsoft is patching a zero-day vulnerability in the Microsoft Support Diagnostics Tool (MSDT), a service built into Windows. Redmond also addressed multiple flaws in Exchange Server — including one that was disclosed publicly prior to today — and it is urging organizations that use Exchange for email to update as soon as possible and to enable additional protections.
Windows backdoor shows off some interesting techniques Cyber-criminals are using compromised Microsoft Exchange servers to spam out emails designed to infect people's PCs with IcedID,…
A new email phishing campaign has been spotted leveraging the tactic of conversation hijacking to deliver the IceID info-stealing malware onto infected machines by making use of unpatched and publicly-exposed Microsoft Exchange servers