MechanismsSecurity & PrivacyPlaybooksSecurity & PrivacyPlaybooksWhat do I do, and what does each option cost?1Protect a sensitive fieldA column holds personal or secret values: mask it, hash it with a key, generalize it, add noise to aggregates, tokenize it or encrypt it? Five questions, each option preserves a different structure, and what it preserves is what it leaks.ChoosePlaybooks across every mechanism →