# simjacking

> English word · Noun

## Definitions
1. A social engineering technique in which a person poses as the owner of a mobile phone number and convinces the provider to transfer it to a new SIM (Subscriber Identity Module) owned by the fraudster.

## Etymology
Blend of SIM + hijacking.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/simjacking