Security
HSM
Abbreviation for Hardware Security Module
In short and in plain language
An HSM is a special unit for secret keys.
It stores the keys and does its work with them. The keys stay in the unit.
It is mostly used where very sensitive keys are kept.
Definition
An HSM is a dedicated device or module that stores cryptographic keys and performs calculations with them without the keys leaving the module. It is generally used where particularly sensitive keys are managed.