Defense in Depth, CIA, and Non-Repudation

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6 Terms

1
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Defense in Depth

Multiple lines of defense for fault tolerance

2
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CIA

  • Confidentiality

  • Integrity

  • Availability

3
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Confidentiality

Authorized users only have appropriate rights

  • Ex:

    • Encryption

      • Access Control

4
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Integrity

Ensure accuracy and trustworthiness of info

  • Ex:

    • Hashing, Checksums

    • Receiver → Decrypt Calculation

  • Digital Signing / Certificates

5
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Availability

When needed, data is available

  • Redundency

  • Failover

6
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Non-Repudiation

  • No one can deny the authenticity of a signature (Key)

  • Proof that info was from the sending party

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