SIM swap

An attack where someone hijacks your phone number by taking over your SIM.

Explanation

SIM swaps can bypass SMS-based 2FA. Prefer authenticator apps or hardware keys where possible.

Related pages

Gift cardsPayment methodsToolsWhere to buy

Related terms

2FA (two-factor authentication)Phishing

FAQ

What does “SIM swap” mean?
An attack where someone hijacks your phone number by taking over your SIM.
Where is this term used on the site?
This glossary page is the canonical definition. Use the related links below to jump into guides and hub pages where the concept is applied.
Is this financial advice?
No. These pages provide definitions and safety-oriented explanations, not investment advice.