Three systems. One evidence-backed finding.
Protection evidence is missing for 7 billed endpoints.
The client appears to be billed for endpoint protection on devices where current protection evidence is missing.
What supports the conclusion: RMM evidence describes 42 active endpoints; current security evidence is present for 35 matched endpoints; PSA/billing evidence describes 42 billed endpoint-protection units.
Correlation: 42 billed units minus 35 endpoints with observed protection evidence leaves 7 billed endpoints requiring review.
Example scope: 42 synthetic active endpoints in the public demo tenant.
Approval boundary: No source-system action has been executed.
Limitations: this is not customer data or a live conclusion. Missing protection evidence is not proof that protection is absent.

