Managed services provider Rackspace issued an announcement on Tuesday confirming that its hosted Microsoft Exchange e-mail service was disrupted by a ransomware attack. The attack was initially ...

Microsoft is expanding its hosted Exchange product for service providers to include instant messaging and Web sites that serve as collaborative online workspaces, the company plans to announce on ...

Resellers can brand the services, which are available through USA.Net, as their own and sell them to customers via a monthly subscription, according to Tech Data. "Whether you're a small business or a ...

Microsoft has announced plans to fight spam by imposing a daily Exchange Online bulk email limit of 2,000 external recipients starting January 2025. Exchange Online doesn't support sending bulk or ...

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 ...

US and allied cyber agencies team up to try to nudge users to pay more attention to securing Microsoft Exchange Server.

There's been an uptick in malware native to Microsoft's Internet Information Services (IIS) web server that is being used to install backdoors or steal credentials and is hard to detect, warns ...

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