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    Confidential Computing

    Editorially reviewed on: 2 sources
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    The short answer · 12 words

    In short

    Protection of data during processing in a hardware-based, attested Trusted Execution Environment.

    Flow-alerta.cab (2026): Confidential Computing. https://flow-alerta.cab/en/glossar/confidential-computing. Editorially reviewed on: 10 October 2026.

    How much detail would you like?

    Practical

    Relevant for sensitive AI, analytics and cloud workloads, where data should also be shielded from parts of the infrastructure.

    Hypothetical example: A company processes sensitive data in a Confidential VM while the workload runs in a hardware-protected environment.

    For sensitive workloads, evaluate threat model, TEE support, attestation, key management and performance together.

    At a glance

    Core
    According to the definition of the Confidential Computing Consortium, data is protected during processing in a hardware-based, attested TEE. The approach complements other protections; application security, key management and the concrete threat model remain relevant.
    Use
    Relevant for sensitive AI, analytics and cloud workloads, where data should also be shielded from parts of the infrastructure.
    Example
    Hypothetical example: A company processes sensitive data in a Confidential VM while the workload runs in a hardware-protected environment.
    Limits
    Equate confidential computing with complete end-to-end security; ignore key management, application vulnerabilities, and attestation.

    Questions about this term

    Does it protect stored data?

    This requires additional encryption at rest.

    What primarily protects Confidential Computing?

    Data in use.

    What is a TEE?

    An isolated trusted execution environment.

    All details and background

    According to the definition of the Confidential Computing Consortium, data is protected during processing in a hardware-based, attested TEE. The approach complements other protections; application security, key management and the concrete threat model remain relevant.

    ELI5 – Explained simply

    Data remains especially protected even when a computer actually works with them.

    Why it matters in practice

    Relevant for sensitive AI, analytics and cloud workloads, where data should also be shielded from parts of the infrastructure.

    Example

    Hypothetical example: A company processes sensitive data in a Confidential VM while the workload runs in a hardware-protected environment.

    Pitfalls and limits

    • Equate confidential computing with complete end-to-end security; ignore key management, application vulnerabilities, and attestation.

    Origin & history

    The Confidential Computing Consortium formulates a definition based on hardware-based, attested TEEs. Cloud providers such as Google document corresponding deployment options.

    Use in mid-sized companies

    • For sensitive workloads, evaluate threat model, TEE support, attestation, key management and performance together.

    Sources

    Quellenprüfung: 10.10.2026. Definition und dokumentierte Einordnung abgeglichen; Beispiele beschreiben mögliche Anwendungen.

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