s/mime

A recent update to the classic Outlook desktop client triggered a high-impact interoperability bug that interrupted the handling of S/MIME-signed messages and Office Message Encryption (OME) protected email, producing confusing prompts and, in some cases, stripping digital signatures when...

In today’s fast-moving digital world, the privacy and security of our communications have never been more critical. Email remains one of the most widely used means of professional and personal correspondence, yet it is also a frequent target for malicious actors seeking to intercept, alter, or...

In a move that will excite security-conscious organizations and users alike, Microsoft has announced a significant update to its revamped Outlook for Windows. Set to land later this January, the company will introduce Secure/Multipurpose Internet Mail Extensions (S/MIME) support for primary...

Sending sensitive information over email is always a nerve-wracking experience. From financial statements to confidential health records or legal documents, you’re vulnerable to interception at any point in the digital pipeline. Thankfully, Microsoft Outlook offers some impressive tools for...

In an ongoing saga of replacing old with new, Microsoft is doubling down on creating a modern and cloud-first version of Outlook, but there's one glaring problem that continues to plague the "new Outlook" on Windows 11 and Windows 10: offline functionality. While the new Outlook client boasts...

Hello there. As we prepare for September’s two security updates, we’d like to remind you about an important change to Windows’ certificate requirements included in Security Advisory 2661254 (Update For Minimum Certificate Key Length). In June, we began communicating this...