<h1>RBI Investigates Data Breach, Mandates Cyber-Security Policies for Banks; Reports Required Within 2-6 Hours Per Circular.</h1> The Reserve Bank of India (RBI) is addressing a reported data breach involving debit and credit cards, currently under investigation by a forensic auditor compliant with PCI-DSS standards. RBI has established a Cyber Security and IT Examination Cell and issued a circular mandating banks to implement a cyber-security policy and crisis management plan. Banks must report unusual incidents within 2 to 6 hours. RBI conducts IT examinations and cyber security preparedness tests with CERT-In. Additionally, a Cyber Crisis Management Group has been formed, and an IT Subsidiary focuses on enhancing cyber security within RBI and regulated entities.