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SIM Swap Scams: How They Work and How to Lock Your Number

A SIM swap scam happens when a criminal convinces your carrier to move your number to a SIM they control. Once they have it, SMS codes and account recovery messages go to them, not you. Three takeaways Add a carrier p

A SIM swap scam happens when a criminal convinces your carrier to move your number to a SIM they control. Once they have it, SMS codes and account recovery messages go to them, not you.

Three takeaways

  • Add a carrier port-out PIN or number lock, so a stranger cannot transfer your number.
  • Move important accounts from SMS codes to an authenticator app or passkey.
  • If your phone suddenly loses signal for no reason, call your carrier from another device right away.

The full guide covers how the attack works, warning signs and recovery steps: SIM swap scams explained.

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Originally published at Guru X Blog.

This article was written with the help of AI and fact-checked and edited before publishing.

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Originally published by Dev.to Security. Aggregated on AIWithGhost for educational purposes β€” full credit and traffic to the original publisher.