msoid.genmarkdx.com is a subdomain of GenMark Diagnostics, a legitimate healthcare company. It's designed to redirect users to Microsoft's office.com for authentication, likely part of the company's Azure AD single sign-on setup. But there's a critical problem: the SSL certificate is invalid for this domain. That means any attempt to visit the site in a modern browser will trigger a security warning, and the connection won't be encrypted. For a page that handles login credentials, that's unacceptable. A properly configured corporate login should have a valid HTTPS certificate that matches the URL. While the domain itself may not be a scam, the broken security makes it unsafe to use right now. If you're a GenMark employee, contact your IT department to fix the certificate. For everyone else, avoid this URL until it's resolved. There are no msoid.genmarkdx.com reviews from other users, and the site has no history in web archives, so there's no track record to rely on. The bottom line: is msoid.genmarkdx.com safe? Not in its current state. Treat it as a security risk until the certificate issue is corrected.