During January, telecommunications firm Telia blocked just over 4 million fraudulent calls in Norway, nearly twice as many as in Denmark and Sweden, public broadcaster NRK reports.
Methods phone scammers use include phishing, where fraudulent callers send a message designed to trick the recipient into revealing sensitive information, and spoofing, where a cybercriminal pretends to be somebody else.
Telia has meanwhile noted a new scam on the rise in Norway called “Wangiri”. Wangiri- which in Japanese means “one ring and cut”- sees scammers call, allow the phone to ring once and then end the call. The aim is to get people to call back and incur high fees.
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“It’s difficult to answer why (Norway is exposed to more phone scams), but those who do this (Wangiri scams) have realised that Norwegians call back. They probably have a higher hit rate in Norway,” Øivind Kristiansen of Telia told NRK.
“It may be that we are a little too naive and gullible,” he added.
Telia has said that to avoid becoming the victim of a Wangiri scam people shouldn’t answer or call back foreign numbers they don’t recognise.
Frank Stein, from the National Communication Authority, said that trying to stamp out scammers was a game of cat and mouse.
“There are many things that work against this. People are getting wiser, but on the other hand, attacks are getting smarter. It’s a cat and mouse game: one does not always know who is who. It’s the security industry in a nutshell,” he explained to NRK.