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detecting-secure-boot-bypass

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Detect UEFI Secure Boot bypasses and bootkits such as BlackLotus and

When to use

• Verifying that an estate's Secure Boot configuration is enabled, locked, and current after the CVE-2023-24932 / BlackLotus advisories.
• Hunting for UEFI bootkit indicators on a suspected-compromised endpoint.
• Validating that dbx revocations (e.g., vulnerable Windows boot managers, Kaspersky/other vulnerable bootloaders) have actually applied across the fleet.
• Auditing firmware integrity and Secure Boot variable protections during a hardware security assessment.
• Building a recurring measured/baseline check for boot-chain tampering.

When not to use

• Unauthorized firmware assessment
• Destructive checks outside a lab

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