British banks, tech companies and telecoms are pledging to increase data-sharing on fraud.Real-time exchanges of fraud indication data, such as unusual transactions and suspicious URLs, will help detect scammers faster.Banks involved include Barclays, HSBC, Santander, and Lloyds, along with tech giants like Amazon, Meta, and Google, and telecom firms BT and Three.Fraud accounts for 41% of offenses in England and Wales, costing an estimated $8.8 billion per year.