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security

HSM

Hardware Security Module

Definition

An HSM is a tamper-resistant hardware device that generates, stores, and manages cryptographic keys in a secure boundary that prevents key extraction even by administrators. HSMs are used for root CA key protection, payment transaction signing, and code signing.

Cloud HSMs (AWS CloudHSM, Azure Dedicated HSM) provide FIPS 140-2 Level 3 validated key protection without on-premises hardware.


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