You've probably got a Microsoft 365 tenant that works fine on the surface, which is exactly why it's risky. Mail flows, Teams chats open, SharePoint libraries sync, and no one is asking hard questions about who still has standing admin rights, which apps can read and write across the tenant,
A Regina employee entered valid Microsoft 365 credentials into a spoofed sign-in page. Minutes later, an overseas login attempt hit the tenant and failed because the environment had the right Conditional Access baseline, no legacy auth loopholes, and a user who could deny an unexpected number-matching prompt. That's the difference
You've probably already done the obvious work. MFA is on for many users. Microsoft Secure Score doesn't look terrible. Your team has run phishing awareness training. Maybe you've even cleaned up a few old admin accounts and disabled a handful of risky settings. That still doesn't mean your tenant is
