Remember DEK
Full name: Data Encryption Key
Memory aid: Data is Encrypted with this Key.
A DEK can itself be protected by another key.
Study area: Data & integration · Batch 9
Relevant study for: CompTIA Security+ SY0-701 · ISC2 CISSP 2024 outline · ISC2 SSCP · Azure Data Fundamentals DP-900 · CompTIA Cloud+ · ISC2 CCSP
Practice with exam flashcards →Data / Knowledge library
DEK — Data Encryption Key
Encrypts data within a supported key hierarchy.
Why learn DEK — Data Encryption Key?
Encrypts data within a supported key hierarchy.
Where it came from
A DEK can itself be protected by another key.
- Memory aid (a learning cue, not the expansion): Data is Encrypted with this Key.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand DEK: Data Encryption Key.
- Recall this memory aid: Data is Encrypted with this Key.
- Explain the practical use: Encrypts data within a supported key hierarchy.
- Explain this distinction: A DEK can itself be protected by another key.
- Identify DEK in a device specification, architecture diagram, or system inventory.
Documentation and sources
- Microsoft SQL transparent data encryption (learn.microsoft.com)