A SIM swap attack is a fraud where scammers hijack your phone number by deceiving mobile carriers. Using your number, you may reset your passwords and receive two-factor authentication (2FA) codes.

It’s 2025, and cell phone numbers are ubiquitous. We use our phone numbers to sign up for websites and online services, from retail and banking to social media and ...

Experts are warning mobile phone users to be extra vigilant over a fresh wave of SIM-swap fraud, which has doubled in the space of a year. The dodgy practice – which counts Twitter founder Jack Dorsey ...

After three years, telecommunications company T-Mobile is bringing a handy feature back to the T-Life app: self-service SIM swapping. SIM swapping lets users switch which SIM card is associated with a ...

Chiara is an award-winning investigative reporter who specialises in banking and fraud, joining Which? in 2015 following six years as a personal finance journalist at a national newspaper. Reports of ...