The Tiers — Protecting Data by How Sensitive It Is

A gentle, practical guide to the plainest idea in data protection: not all data is equal, so sort it by how sensitive it is and protect each level accordingly. Sort it into a few tiers, label it, guard the precious more (locks and encryption), watch the exits where data leaks, and act fast if it does.

What you'll learn

• See that not all data is equal, judge each piece by the harm a leak would cause, and sort your data into a few plain levels.
• Label data with its level, guard the precious more (limit access and encrypt, especially at rest), and give the trivial a light touch.
• Watch the everyday exits where data leaks (email, USB, uploads, printouts), and act fast if it does — spot, contain, tell, learn.
• See through 'lock it all the same' (too tight) and 'it's just data' (too loose) — protecting data in proportion to its sensitivity.

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