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CLI SPOOFING

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The UK telecommunications regulator, Ofcom, has announced new regulations that will force phone companies to take action against fake phone number usage by detecting and, where possible, banning spoofed calls. This action tries to address an issue that has led to 40.8 million people becoming the subject of fraudulent calls and messages throughout the summer of 2022.   Technical steps to combat nuisance calls have already been put in place by the vast majority of the large ISPs, phone companies and mobile network operators, although these measures are not always successful. Furthermore, there are still many operators that could do more, notably smaller providers and some VoIP carriers.   According to the telecom watchdog, preventing such calls without substantial international cooperation and coordination is technically complex and frequently risks intercepting legitimate communications as well.   According to Ofcom, around 700,000 UK residents have fallen victim to spoofed phone calls in…

Most phones today allow users to see the calling party’s phone number before they answer. This feature, called Caller ID or Calling Line Identity (CLI), is a way to let people know who is calling and decide whether they want to answer the call or not. However, callers and criminals can purposely change the Caller ID so that the incoming call appears to originate from  a trusted entity. This disingenuous practice is better known as spoofing. Unfortunately, there are more and more cases where callers and criminals purposefully change the caller ID in order to commit fraud. Spoofing occurs when a caller knowingly falsifies the information transmitted onto your phone screen, known as caller ID, to hide their true identity. Scammers often use the so-called ‘neighbors’ spoofing technique, and the incoming call appears to come from a local phone number or a spoofed company or government agency number that…