Remember KEK
Full name: Key Encryption Key
Memory aid: Keys are Encrypted by this Key.
Separating DEKs and KEKs helps organize protection but requires sound key lifecycle controls.
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
KEK — Key Encryption Key
Protects other cryptographic keys in supported key-wrapping or encryption designs.
Why learn KEK — Key Encryption Key?
Protects other cryptographic keys in supported key-wrapping or encryption designs.
Where it came from
Separating DEKs and KEKs helps organize protection but requires sound key lifecycle controls.
- Memory aid (a learning cue, not the expansion): Keys are Encrypted by this Key.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand KEK: Key Encryption Key.
- Recall this memory aid: Keys are Encrypted by this Key.
- Explain the practical use: Protects other cryptographic keys in supported key-wrapping or encryption designs.
- Explain this distinction: Separating DEKs and KEKs helps organize protection but requires sound key lifecycle controls.
- Identify KEK in a device specification, architecture diagram, or system inventory.
Documentation and sources
- Microsoft SQL transparent data encryption (learn.microsoft.com)