On December 10, NSFOCUS CERT detected that Microsoft released the December Security Update patch, which fixed 57 security issues involving widely used products such as Windows, Microsoft Office, ...

Microsoft Exchange is a wildly popular threat target, with dangers exacerbated by the tech giant's end support for Exchange 2016 and 2019 last month. Now those email servers won't receive necessary, ...

The Cybersecurity and Infrastructure Security Agency (CISA), the National Security Agency (NSA), in collaboration with international cybersecurity partners, have released the “Microsoft Exchange ...

The NSA, CISA, Australia's Cyber Security Centre, and Canada's Cyber Centre jointly released comprehensive security practices for Exchange hardening. Image: Envato If your team still runs Microsoft ...

The NSA, CISA, Australia's Cyber Security Centre, and Canada's Cyber Centre jointly released comprehensive security practices for Exchange hardening. Explore Get the web's best business technology ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Thankfully, for such things, the document itself is relatively ...

Three out of the five Five Eyes states – Australia, Canada and the US – have issued guidance to help end-user organisations secure their Microsoft Exchange Server instances, stemming in part from an ...

More than 29,000 Microsoft Exchange servers exposed to the internet have remained unpatched against a high-severity vulnerability that could allow attackers to seize control of entire domains in ...

Update, August 10, 2025: This story, originally published on August 7, has been updated with additional information following a demonstration of the shared service principal exploit at the Black Hat ...

Microsoft is investigating a major security risk in Exchange Server hybrid deployments that could let attackers gain escalated access within connected Microsoft 365 cloud environments. The ...