The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance to help IT administrators harden Microsoft Exchange servers on their networks ...

CISA has issued an emergency directive ordering all Federal Civilian Executive Branch (FCEB) agencies to mitigate a critical Microsoft Exchange hybrid vulnerability tracked as CVE-2025-53786 by Monday ...

This article provides possible solutions to the problem in which Outlook cannot connect to the Exchange mailbox. This issue occurs when a user moves his mailbox from one Microsoft Exchange Server to ...

Microsoft on Thursday cleared up the mystery surrounding its next Exchange Server release plans, as described in an "Exchange Server Roadmap Update" announcement. Like SharePoint Server and Project ...

Microsoft this week announced it will be bringing its Extended Security Update (ESU) program for on-premises Exchange Server 2016 and 2019, offering organizations critical protection as they approach ...

Microsoft's Exchange Server Subscription Edition is now available as the successor to the last locally installable Exchange Server 2019. Microsoft's Exchange developers have now announced its ...

Simple mail transfer protocol, post office protocol and Internet message access protocol are technologies used to send and receive emails. These services can be enabled in Microsoft Exchange to enable ...

Microsoft Exchange customers have been warned about a new high-severity vulnerability, which could allow an attacker to escalate privileges within an organization’s connected cloud environment. The ...

Cybersecurity responders are working around the clock to shore up networks hit by last week's hack of Microsoft's Exchange email service — an attack that has impacted hundreds of thousands of ...

REDMOND, Wash. and SANTA MONICA, Calif. – October 16, 2023 – Microsoft Corporation (Nasdaq: MSFT) (“Microsoft”) and Activision Blizzard, Inc. (Nasdaq: ATVI) (“Activision Blizzard”) today announced ...

Many security experts remain alarmed about the large, Chinese-linked hack of Microsoft’s Exchange email service a week after the attack was first reported. Since the hack was reported last Tuesday, “a ...