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Compliance 5 min read Published Updated Credibility 92/100

Compliance Briefing — NYDFS Cybersecurity amendment deadline nears

Covered entities must finish implementing New York’s amended 23 NYCRR 500 requirements by 1 November 2025, including tightened privileged access controls, endpoint detection, and independent audits.

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Executive briefing: The New York Department of Financial Services (NYDFS) amended its 23 NYCRR Part 500 Cybersecurity Regulation in November 2023. The final transition period ends on , when most new controls—including expanded multi-factor authentication, endpoint detection and response, and annual independent audits—become mandatory.

What is due by 1 November 2025

  • Privileged access and MFA. Article 500.12 now requires MFA for privileged accounts and remote access unless a CISO-approved compensating control is documented.
  • Enhanced monitoring. Article 500.14 mandates endpoint detection and response, centralized logging, and documented alert triage.
  • Independent assessments. Annual independent audits of the cybersecurity program replace the prior triennial penetration test cadence in Article 500.5.

Program actions

  • Finalize MFA rollouts for privileged users and contractors, including break-glass procedures approved by the CISO.
  • Validate endpoint detection coverage across servers, desktops, and cloud workloads with alert routing to a staffed SOC.
  • Schedule an independent audit that covers policy alignment, control effectiveness testing, and evidence collection ahead of the 2025 certification filing.
  • Refresh Board reporting to reflect amended definitions of material cybersecurity incident and CISO authority.

Sources

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  • NYDFS Cybersecurity Regulation
  • Multi-factor authentication
  • Endpoint detection and response
  • Independent audit
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