A mail forwarding rule that quietly copies every message to an external address won't always surface as a risk in Microsoft Defender's posture score. It's a real finding class. The kind that creates long, invisible exposure windows. And it's the kind a tool with something to prove about its own platform has structural incentive to underweight.
That's not specific to Defender. It's a property of the arrangement.
The Conflict That Doesn't Show Up in the Pitch
When a vendor builds security for its own platform, they're answering a question no one should answer about themselves: is this environment safe? A finding that implicates the platform's defaults reflects on the vendor. A posture gap originating in the product's own configuration becomes an awkward conversation no one schedules.
Independent security doesn't carry that weight. The only job is accurate assessment. No product line to protect, no quarterly number that benefits from a softer finding.
What Independence Looks Like in Practice
Abnormal's Email Security Posture Management reads Microsoft and Google environments from the outside. Same vantage point an attacker has. When it surfaces a misconfigured forwarding rule or an authentication gap, there's no platform stake in whether that finding gets logged or quietly downweighted.
The signal stays clean because the assessment has no stake in the outcome.
If your posture score comes from the platform vendor, you already know who wrote the rubric.
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