Ever received a text from an unknown number and wondered who was behind it? Instead of awkwardly replying, "Who's this?", ...

Senior writer at Forbes covering cybercrime, privacy and surveillance. Hackers have proven just how urgently a gaping flaw in the global telecoms network, affecting what's known as Signalling System ...

Update (June 13, 2023): The vulnerability highlighted in the original article below has been resolved and it is no longer possible to break into an account using just a phone number, as far as we know ...