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An ISSEP is conducting a quantitative risk assessment for a mission-critical database. The Annualized Rate of Occurrence (ARO) is 0.5, and the Single Loss Expectancy (SLE) is $100,000. What is the Annualized Loss Expectancy (ALE)?
The ALE is calculated by multiplying the SLE by the ARO (100,000 * 0.5 = 50,000).
An ISSEP is performing a supply chain risk assessment for an IOT-based sensor array. Which finding poses the highest systemic risk to the overall system integrity?
Supply chain integrity is compromised when the provenance of hardware or software cannot be verified, as this allows for the insertion of hardware Trojans or backdoors that bypass traditional security controls.
You are assessing an Engineered System that utilizes a Trusted Platform Module (TPM) for secure boot. A scan reveals that the firmware version is outdated and susceptible to a known key-injection vulnerability. Which action should the ISSEP prioritize?
Firmware vulnerabilities involving the TPM and secure boot chain represent a fundamental compromise of the root of trust. Remediation must prioritize the update of the firmware to restore the integrity of the secure boot sequence.
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