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. Unsecured ...

Japan has seen a spate of "SIM swap scams," in which cell phone numbers are hijacked and misused, in recent years. Victims suddenly notice that their smartphone won't connect, and when they contact ...

As mobile devices become central to digital identity, cybercriminals are adopting new ways to steal personal data. One such method is SIM card swap fraud, where attackers trick mobile operators into ...

MTN has made a major improvement to stop fraudulent SIM swaps and number porting between its mobile virtual network operators (MVNOs), requiring customers to opt in to complete these processes.