Many organisations believe that because they have Microsoft Defender licensed, they are “covered”. This assumption is one of the most dangerous in Microsoft 365 security. Defender provides powerful capabilities — but capability alone does not equal protection.

Microsoft Secure Score is one of the most widely referenced security metrics in Microsoft 365. It is visible, easy to understand, and often used as shorthand for “how secure” an environment is. That simplicity is precisely the problem. Secure Score can be a useful indicator, but it is frequently misunderstood, over-trusted, and misused — particularly...