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Cookie

A small file a website stores in your browser to remember you - for example, to keep you logged in. Most are harmless; some are used to track you across sites.

Related terms

  • Credential stuffing
  • Data breach
  • Deepfake
  • Encryption
  • Firewall
  • HTTPS
Cactus

Free, bilingual security tools to help you spot scams and stay safe online.

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