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Security Key
Authentication
A device or built‑in key that helps you log in safely.
Definition
A security key is a strong login method that uses a cryptographic key, often as a small USB/NFC device or built into your phone.
In plain English
A device or built‑in key that helps you log in safely.
Why this matters
Why it matters: It’s very hard to phish, so it helps prevent account takeover.
Example
Example: You plug in a USB key and tap it to confirm login.
Apps Using Security Key
Examples of apps that implement or relate to this privacy concept
