UK telecom giants sign new pact to block scam calls as AI drives fraud Tech Britain’s biggest mobile networks have agreed to overhaul their systems to stop scammers using fake numbers to impersonate banks and government departments. As ministers seek to stem the growing tide of AI-driven fraud, BT, EE, Vodafone, Three, Virgin Media O2, Sky, TalkTalk and Tesco Mobile have signed a new telecoms charter with the Home Office. [...]