Which option best describes a device that performs encryption processes in isolation, reducing the exposure of sensitive data to the broader environment?
A built-in CPU extension for faster instruction execution
An external adapter that checks files during boot
A stand-alone cryptographic processor that isolates key handling
A cryptographic processor like an HSM performs encryption and key management in an isolated environment, minimizing exposure to the operating system or attacker-controlled memory. This significantly improves security for sensitive operations. Other options like boot checks, offline storage, or CPU speed enhancements do not provide the same level of key isolation or real-time cryptographic protection.
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What is an HSM?
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How does an HSM improve security compared to software-based solutions?
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What are examples of cryptographic tasks an HSM can perform?