Technical depth
Check hands-on depth in privacy engineering: pseudonymisation and tokenisation patterns, differential privacy or k-anonymity, consent plumbing, data lineage tooling, retention enforcement in production data stores.
Evidence to listen for
- Command of the specific attack surface, tooling, and controls the role covers
- Understands how the underlying system works, not just how the tool reports on it
- Can explain an attack or control chain end to end
- Distinguishes what they found themselves from what a scanner flagged
Five-point scoring guide
Tool operator only; no understanding of the systems underneath.
Runs tooling but cannot explain findings or how the attack works.
Solid working knowledge; depth thins outside familiar tooling.
Strong command of the domain; explains attack and control chains clearly.
Names specific techniques and their limits, for example why hashing an email is not anonymisation, and shows code or schema level detail.