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**Chris** · Today, 20:57

Caller ID is hopelessly compromised and has been for years. With the right kit and know how it is trivially easy to spoof a number. There is work afoot to tighten things up - it is possible for your network operator to spot and block overseas calls incoming with a spoofed UK number, for example, but doing this efficiently and without blocking legitimate calls is, apparently, challenging. Ofcom says it’s on the case but it is moving at a glacial pace.

Today, 20:57	#8
Chris Trollsplatter Join Date: Jun 2003 Location: North of Watford Services: Humane elimination of all common Internet pests Posts: 38,275	Re: I think I'm stuffed Caller ID is hopelessly compromised and has been for years. With the right kit and know how it is trivially easy to spoof a number. There is work afoot to tighten things up - it is possible for your network operator to spot and block overseas calls incoming with a spoofed UK number, for example, but doing this efficiently and without blocking legitimate calls is, apparently, challenging. Ofcom says it’s on the case but it is moving at a glacial pace.