The security problem affects organizations with a hybrid Exchange environment, running applications in both on-premises ...

Discovery of the embarrassing security flaw comes in the early stages of Microsoft deploying NLWeb with customers like ...

If an attacker gets admin control over the on-premises Exchange server, they can forge authentication tokens or make API ...

This clarification addresses confusion from earlier announcements, which left some users with the impression that they could ...

CISA is giving agencies until 9 a.m. Monday to address a vulnerability that, left unaddressed, could allow hackers to achieve ...

At Black Hat 2025, Microsoft revealed how its security teams work in real time to outpace hackers and stop attacks before ...

This Microsoft news list is part of a CRN series on the biggest headlines of 2025 so far in a variety of areas of concern to ...

Microsoft says support for Windows 10 will end on October 14. If you or your business rely on it, here’s what to know.

Parts of the federal enterprise are likely susceptible to the flaw that allows hackers to hijack on-premises versions of ...

German cybersecurity researchers have found a flaw in the implementation of Windows Hello for Business that could make it ...

Microsoft always requires an account for the extended security support. The good news is that an ESU license is valid for 10 devices.

Microsoft identified at least three threat groups believed to be affiliated with China that have been exploiting publicly ...