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 ...

Aggressive traffic rerouting blamed for service failures; experts warn of architectural brittleness and rising cloud ...

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 ...

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 ...

Microsoft has released emergency out-of-band security updates for all supported Microsoft Exchange versions that fix four zero-day vulnerabilities actively exploited in targeted attacks.

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.

The final step in creating a fully redundant Microsoft e-mail environment has been completed in Exchange 2007. When Microsoft Exchange 4.0 was released in the mid-1990s, it was not a vast improvement ...

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 ...

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 ...

I have a new/frustrating problem:When I create new mailboxes I can't login to them via OWA or Outlook (although new accounts do show up in the GAL). I get ...

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." ...