Microsoft has announced a new e-mail security dashboard in Microsoft Defender for Office 365, offering customers visibility ...

Microsoft has observed two named Chinese nation-state actors, Linen Typhoon and Violet Typhoon, exploiting vulnerabilities ...

Over the last ten years, more than 600 million websites have been secured with free certificates from Let's Encrypt. Here's how it all began and why.

Microsoft Outlook offers end-to-end encryption to prevent anyone but the sender and receiver from reading your messages. If you use Microsoft’s Outlook, here’s how to encrypt an email in Outlook. But ...

An ongoing phishing campaign abuses a little‑known feature in Microsoft 365 called "Direct Send" to evade detection by email security and steal credentials.