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CompTIA SecurityX CAS-005 · Domain 3: Security engineering

Cryptographic use cases: data at rest, in transit and in use, code signing, digital signatures and secure key exchange

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Last reviewed September 25, 2026 · Leer en español

Choosing the right cryptographic control starts with the goal: confidentiality, integrity, authentication, non-repudiation, or a combination. Then consider the state of the data: at rest, in transit or in use.

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