The National Security Agency, Cybersecurity and Infrastructure Security Agency and international partners released joint guidance Oct. 30 on best practices for Microsoft Exchange server security. The ...

The NSA, CISA, Australia's Cyber Security Centre, and Canada's Cyber Centre jointly released comprehensive security practices for Exchange hardening.

On Monday, Microsoft released the last major update for Exchange Server 2019. The aging Exchange Server is set to lose support on Oct. 14, 2025. This final update (2025 H1 Cumulative Update (CU15) ...

Best practices include a focus on hardening user authentication and access, ensuring strong network encryption, and ...

The latest Patch Tuesday security update from Microsoft rolled out August 8, complete with six critical reasons to install it as soon as possible. When it came to certain Exchange Server admins, ...

US security agencies CISA and NSA, have issued critical advice to users of Microsoft and VMware products to mitigate ...

The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance to ...

Microsoft has released its final cumulative update (CU) for Exchange Server 2019, which means customers need to get ready to upgrade or move to hosted Exchange. Enterprises still hosting on-premises ...

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 finds high-severity flaw in hybrid Exchange instances Both Exchange Server 2016 and Exchange Server 2019 are affected, and so is Microsoft Exchange Server Subscription Edition A hotfix is ...