Law360, Expert analysis: Authorised push payment, or APP, fraud continues to cause significant headaches for consumers and financial institutions alike. In 2023, data published by the payments system regulator revealed that APP fraud amounted to a loss of £341m in the UK. This article by Caroline Greenwell, partner, Bella Henry, associate, and Simon Heatley, knowledge development lawyer, of Charles Russell Speechlys considers two High Court of England and Wales cases decided in June 2024 that have developed the jurisprudence in this area, and the significance of the upcoming mandatory reimbursement rules.