NYDFS 23 NYCRR 500: Section 500.06 Audit Trails & Perimeter Controls
Complying with New York Department of Financial Services (NYDFS) Cybersecurity Regulation 23 NYCRR 500 for banking and insurance institutions.
Regulatory Context & Scope
NYDFS 23 NYCRR 500 establishes strict cybersecurity standards for financial services companies operating in New York State.
Key Required Network Controls
Section 500.06: Audit Trails - Maintaining 3-year searchable audit records for all perimeter security events and firewall changes.
Section 500.12: Multi-Factor Authentication - Enforcing MFA for all external network access and administrative interfaces.
Section 500.13: Limitations on Data Retention - Restricting network access to disposal and archiving servers.
Section 500.15: Encryption of Nonpublic Information - Enforcing TLS 1.3 encryption across all public and internal transit links.
Technical Implementation Checklist
Position 4CGuard at external ingress/egress boundaries to enforce NYDFS 500 access policies.
Isolate regulated database enclaves and sensitive endpoints into dedicated VLANs.
Inspect application payloads for threats while applying compliance bypasses for privacy.
Stream CEF/Syslog telemetry to SIEM to maintain 100% verifiable NYDFS 500 compliance records.
NYDFS 500 - Compliance FAQs
Common auditor, technical, and implementation questions.
4CGuard automates rule verification, enforces zero-trust access, encrypts data in transit, and exports audit logs mapped directly to NYDFS 500 controls.
Evaluate 4CGuard on your network topology
Schedule an architectural walkthrough with a network security engineer. Review Layer 7 inspection rules, encrypted payload decapsulation, and Active Directory policy integration.