The last remaining provisions of the amendments to the New York Department of Financial Services’ (DFS) cybersecurity regulation called Part 500 came into effect Nov. 1, 2025.

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Photo of Jena M. Valdetero Jena M. Valdetero

Jena M. Valdetero serves as Co-Chair of the firm’s U.S. Data Privacy and Cybersecurity Practice, and is a trusted advisor to clients facing complex and high-stakes data privacy and security challenges. With a track record of leading thousands of data breach investigations for…

Jena M. Valdetero serves as Co-Chair of the firm’s U.S. Data Privacy and Cybersecurity Practice, and is a trusted advisor to clients facing complex and high-stakes data privacy and security challenges. With a track record of leading thousands of data breach investigations for more than 20 years, Jena combines her broad litigation experience with a deep understanding of the evolving privacy landscape to protect her clients’ interests. She is highly skilled in defending companies in privacy and data breach litigation, particularly class actions, and is proactive in helping clients prepare for incidents by designing and facilitating customized tabletop exercises.

Jena offers practical, results-driven counsel on data privacy and security compliance programs and guides clients through privacy and cyber risk considerations in mergers, acquisitions, venture capital, and securities transactions. Her experience spans a wide range of privacy laws, including the General Data Protection Regulation (GDPR), the California Consumer Privacy Act (CCPA), the Gramm Leach Bliley Act (GLBA), and the Health Insurance Portability and Accountability Act (HIPAA). Certified as a privacy professional through the International Association of Privacy Professionals (CIPP/US),  Jena provides clients with actionable insights on both current and emerging privacy regulations. She previously served as KnowledgeNet Co-Chair for the International Association of Privacy Professionals, further reflecting her leadership in the field. Jena is a founding board member of the Chicago Compassion Project, a nonprofit supporting low-income families in Chicago.

Jena has been recognized by Chambers USA as a leading privacy and data security lawyer, with clients praising her “very deep knowledge of subject matter” and calling her “extremely responsive and business-minded.” She is trusted for her “great strategic advice” and practical approach to complex data privacy issues, with one client saying, “I’d unequivocally recommend her to anybody with any kind of privacy or data breach concerns.”

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Photo of Michael A. Berlin Michael A. Berlin

Michael A. Berlin focuses his practice on financial and insurance regulatory investigations, white collar defense, consumer fraud defense, Medicaid fraud investigations, government affairs, and general litigation matters. In addition, Michael leads Greenberg Traurig’s State Attorney General Practice.

Michael, in addition to his work…

Michael A. Berlin focuses his practice on financial and insurance regulatory investigations, white collar defense, consumer fraud defense, Medicaid fraud investigations, government affairs, and general litigation matters. In addition, Michael leads Greenberg Traurig’s State Attorney General Practice.

Michael, in addition to his work before numerous state and federal authorities, has wide-ranging experience in front of both the New York Attorney General’s office and Attorney Generals’ offices nationwide in both investigations by individual offices and multi-state matters. Michael regularly appears before the New York State Department of Financial Services and other states Insurance and Banking Departments in both regulatory and investigatory matters. Michael also represents numerous health care providers in both federal and state fraud investigations. He conducts internal investigations and represents a wide array of corporations and individuals in complex challenges to government actions.

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Photo of Eileen M. Hayes Eileen M. Hayes

Eileen M. Hayes focuses her practice on health care and insurance regulatory matters. She advises clients on issues related to the New York marketplace, Medicaid, and managed care and insurance regulatory matters. Prior to joining the firm, she spent 20 years with the

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Eileen M. Hayes focuses her practice on health care and insurance regulatory matters. She advises clients on issues related to the New York marketplace, Medicaid, and managed care and insurance regulatory matters. Prior to joining the firm, she spent 20 years with the New York State Department of Financial Services’ (DFS) Health Bureau (formerly, the New York Insurance Department). There, she provided legal advice on all aspects of health insurance regulation, internally and to the governor’s office, the Division of the Budget, various state and federal agencies, legislators, insurers, trade groups, consumer groups, and consumers.

Eileen also developed legislation and regulations, and coordinated the DFS’ federal health insurance reform efforts, ranging from early analysis in lobbying to implementation and integration of state and federal health insurance requirements. She advocated at the national level to minimize disruption to state markets and advance equity; drafted state implementing legislation; managed federal grants, bids, consultant contracts and policy studies to support implementation; provided advice and support to the NYS Department of Health (DOH) and its contractors in developing New York’s state-based health insurance Marketplace; and provided implementation assistance to insurers, federal agencies and the National Association of Insurance Commissioners (NAIC).

While with the DFS, Eileen was responsible for oversight and implementation of numerous market-based health insurance programs, including The New York Bridge Plan, Healthy New York, COBRA program for entertainment workers, TAA federal health care tax credit, and the federal COBRA stimulus program. She also analyzed and provided advice regarding new state laws and bills pending legislative or gubernatorial action. Eileen acted as the liaison to DOH and the Tax Department regarding HCRA and other state taxes impacting insurance.

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Photo of Darren Abernethy Darren Abernethy

Darren J. Abernethy is an ad tech, data privacy and cybersecurity attorney with more than a decade of experience, including in Am Law private practice in Washington, D.C. and as in-house counsel at startups and a leading privacy technology vendor. He advises clients

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Darren J. Abernethy is an ad tech, data privacy and cybersecurity attorney with more than a decade of experience, including in Am Law private practice in Washington, D.C. and as in-house counsel at startups and a leading privacy technology vendor. He advises clients on matters related to digital advertising, privacy law compliance, data breach management, M&A, and FTC best practices.

Darren’s concentrations include data-driven marketing campaigns, the California Consumer Privacy Act (CCPA) and other U.S. state privacy laws, the European Union General Data Protection Regulation (GDPR)/ePrivacy, direct marketing, and IP-related transactional matters.

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