Hackers target Microsoft Exchange servers worldwide, injecting keyloggers to steal credentials from victims in 26 countries.

Update 26.3.2024: While not on the same scale as 2021's Microsoft Exchange Server hack (see below this update), security problems impacting Exchange Server have reemerged. In March 2024's monthly ...

Microsoft has confirmed two unpatched Exchange Server zero-day vulnerabilities are being exploited by cybercriminals in real-world attacks. Vietnamese cybersecurity company GTSC, which first ...

The cybersecurity community sprang into action after Microsoft first announced a series of vulnerabilities that let hackers break into the company's Exchange email and calendar programs.

Microsoft Teams went down for around four hours on Monday, alongside Azure and other Microsoft 365 services. Microsoft blamed the issues on “a recent change to an authentication system” took ...

BitoPro exchange links Lazarus hackers to $11 million crypto heist. Microsoft investigates OneDrive bug that breaks file search. Cloudflare blocks record 7.3 Tbps DDoS attack against hosting provider ...

Microsoft Exchange Server is one of the most popular email servers in the business world, in part due to its compatibility with the Microsoft Outlook email client. While you can usually remove ...

Organizations will be facing a new "transport-based enforcement system" that could eventually block e-mail traffic from out-of-support or unpatched Exchange Server installations. Microsoft is ...

Microsoft is shutting down its cross-platform Exchange Web Services (EWS) API from October 1 2026, meaning users won’t be able to access their emails and contacts from Exchange Online. When ...

Log on to your Exchange server using an administrator account. Open the Start menu, expand the "Programs" list, go into the "Microsoft Exchange" subfolder and then click on "System Manager." ...

Microsoft today shipped four bulletins with patches for at least 8 documented security vulnerabilities affecting Windows users and warned that "consistent exploit code could be easily crafted" to ...

Last year, two high severity, easily exploitable Microsoft Exchange vulnerabilities dubbed ProxyLogon and ProxyShell made waves in the infosec sphere. Nearly a year later, Exchange Server admins ...