Mainframe Security Requirements for Financial Services

This white paper outlines the mainframe security requirements for financial services organizations in light of intensifying regulations. It emphasizes the importance of compliance with new regulations such as the Digital Operational Resilience Act (DORA), Payment Card Industry Data Security Standard (PCI DSS), and the New York State Department of Financial Services Cybersecurity Regulation (NYDFS 23 NYCRR Part 500). The paper details how these regulations impact mainframe security, highlighting the need for robust risk management frameworks, information security measures, and vulnerability management strategies. Specific requirements for authentication, data protection, and third-party supplier management are discussed, along with the necessity for ongoing monitoring and testing of security controls. The document also addresses the challenges posed by evolving security threats and the need for organizations to adopt a zero-trust architecture. It concludes by recommending strategic approaches to enhance mainframe security and compliance, ensuring that financial services institutions can effectively protect sensitive data and meet regulatory expectations.