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What is a Hardware Security Module?

Learn what a Hardware Security Module (HSM) is, how it secures cryptographic keys, and its essential role in data protection across various sectors.

Vincent Delitz
Vincent Delitz

Created: May 17, 2024

Updated: May 12, 2026

HSM is a tamper-resistant hardware device that is central to cryptographic processes, e.g. by managing cryptographic keys or creating digital signatures and certificates.

What is a Hardware Security Module (HSM)?#

A Hardware Security Module (HSM) is a hardened, tamper-resistant device that plays a critical role in securing cryptographic processes. It generates, manages, and protects cryptographic keys used for encrypting and decrypting data, as well as creating digital signatures and certificates.

HSMs adhere to rigorous standards like FIPS 140-2 and Common Criteria, ensuring they meet the highest security levels required by regulatory standards such as GDPR, eIDAS, and PCI DSS.

  • Hardware Security Module (HSM) is a secure device that manages cryptographic keys and operations.
  • Complies with high security and regulatory standards.
  • Critical for data security in GDPR, eIDAS, PCI DSS, and more.

Understanding HSMs#

  • Security and Compliance: HSMs help organizations meet and exceed various cybersecurity standards, ensuring data protection and compliance with laws like GDPR and HIPAA.
  • Operational Flexibility: Offers both on-premises and cloud solutions (HSM as a service), providing flexibility and scalability to businesses.

Why Use an HSM?#

  • Ensures that cryptographic keys are well-protected against sophisticated attacks.
  • Supports a wide range of applications, from cloud computing to digital signing, enhancing security across multiple platforms.

Applications and Use Cases#

  • Cloud and Containers: Secures keys and data in cloud environments and containerized applications.
  • Public Key Infrastructure (PKI): Protects critical PKI root and CA signing keys, linking back to the Root of Trust.
  • Digital Identity and Authentication: Creates and manages credentials for secure digital identities and transactions.

Hardware Security Module (HSM) FAQs#

What is the purpose of an HSM in cybersecurity?#

An HSM secures cryptographic keys and processes, ensuring robust protection against unauthorized access and data breaches.

How does an HSM enhance regulatory compliance?#

By meeting standards like FIPS 140-2 and GDPR, HSMs help organizations adhere to strict data security and privacy laws.

Can an HSM be used in cloud environments?#

Yes, HSMs can be deployed on-premises or as a cloud service (HSM as a Service), ensuring secure key management and compliance in cloud deployments.

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About Corbado

Corbado is the Passkey Intelligence Platform for CIAM teams running consumer authentication at scale. We help you see what IDP logs and generic analytics tools can't: which devices, OS versions, browsers and credential managers support passkeys, why enrollments don't turn into logins, where the WebAuthn flow fails and when an OS / browser update silently breaks login, all without replacing Okta, Auth0, Ping, Cognito or your in-house IDP. Two products: Corbado Observe layers observability for passkeys and any other login method. Corbado Connect adds managed passkeys with analytics built in (alongside your IDP). VicRoads runs passkeys for 5M+ users with Corbado (+80% passkey activation). Talk to a Passkey Expert

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