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Fix device security patch
cpholguera
reviewed
Sep 19, 2026
| - **Verify Server-Side with Freshness**: Have the backend verify attestation tokens cryptographically, bind them to a server-issued nonce, and check timeliness before trusting them. | ||
| - **Gate Sensitive Operations on Verdicts**: Require valid attestation for high-risk API calls and degrade or deny service to unattested clients. | ||
| - **Layer with Local Checks**: Combine attestation with local environment checks (see @MASWE-0051, @MASWE-0053) for defense in depth, and assess the overall scheme against known bypasses. | ||
| - **Match the Verdict to the Operation**: Require the integrity level each operation calls for, keeping stricter signals such as a recent security patch for high-risk actions. |
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are you intentionally using "action" vs "operation", or should "high-risk action" be "high-risk operation"?
Should we use "request or action" as in the Android docs instead of "operation"?
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Yes. Action is e.g. an http request to update your financial data. Operation is rather the purpose a particular action exists (the intent) and the "operational environment" the app operates (e.g. EUDIW or banking app). Makes sense?
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Fix device security patch