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Security

Plain-language explainers about security, written to make useful context easier to find and understand.

Browse articles that connect security to technology, health, infrastructure, money, science, and everyday decisions.

A phone and laptop connected by glowing public and private key symbols for passwordless login.

Passkeys Explained: Why Passwordless Login Is Actually Safer

Passkeys replace shared secrets with cryptographic proof. Here's what that means, why phishing gets harder, and what can still go wrong.