CJI Surya Kant flags nearly Rs 800 crore in losses this year as RBI prepares new KYC rules to strengthen safeguards against. The Chief Justice questioned banks' failure to flag unusual transactions and stressed it is their duty to protect victims of digital fraud. The Supreme Court mandates banks to compensate digital fraud victims if due diligence fails. RBI's KYC amendments and preventive measures are under review to strengthen cyber fraud response.