simjacking
simjacking noun: 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.
Noun
simjacking (uncountable)
- 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.
- Over the past year, we’ve seen reports of SIM-jacking, a particularly malicious attack hackers are using to assume control of victims’ digital and financial lives.2018 October 17, Emil Hozan, “Everything Your Need to Know About SIM-Jacking”, in Secplicity
- Variously called sim splitting, simjacking, sim hijacking and port-out scamming, the fraud focuses on moving control of someone’s phone account from their sim card to one controlled by the criminal.2020 September 13, Shane Hickey, “Sim-swap fraud is on the rise. How can you stop it happening to you?”, in The Guardian
Forms of simjacking
| alternative form | SIM-jacking |
|---|
Origin of simjacking
Blend of SIM + hijacking.
Questions about simjacking
- What does simjacking mean?
- Simjacking means 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.
- What part of speech is simjacking?
- Simjacking is a noun.
Words near simjacking in the dictionary
Source and license
Adapted from Wiktionary: simjacking (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Cite this entry: “simjacking.” Word.ws, https://word.ws/simjacking. Based on Wiktionary, CC BY-SA 4.0.