Mullen Coughlin, Cybersecurity & Data Privacy

Cybersecurity & Data Privacy

Mullen Coughlin LLC is a law firm uniquely dedicated exclusively to representing organizations facing data privacy events, information security incidents, and the need to address these risks before a crisis hits. Founded by John Mullen, Jennifer Coughlin, Jim Prendergast, and Chris DiIenno, our team of accessible and motivated attorneys have handled thousands of events and possess experience and talent in data breach response, regulatory investigation defense, pre-breach planning and compliance, and privacy litigation defense unmatched in the industry.

Meet Our Team

  • Richard J. Aponte-Boyd Partner
    (267) 930-4888

    Richard Aponte-Boyd, a Partner at Mullen Coughlin, focuses his practice on data privacy and security incident response. Working with organizations […]

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  • Cameron Carr UK Managing Partner & Co-Chair, International
    (267) 930-6597

    Based in London, Cameron Carr is a Partner with Mullen Coughlin who has dedicated his entire legal career to assisting […]

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  • J Coughlin Jennifer A. Coughlin Partner & Managing Member
    (267) 930-4774

    Jennifer A. Coughlin is a Founding Partner of Mullen Coughlin and its Managing Member, guiding the Firm in its commitment […]

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  • C DiIenno Christopher J. DiIenno Partner
    (267) 930-4775

    Christopher Dilenno is a Founding Partner of Mullen Coughlin, focusing his practice on assisting organizations as they respond to, and […]

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  • Elizabeth R. Dill Partner & Co-Chair, Advisory Compliance
    (267) 930-5327

    Elizabeth (Liz) Dill, CIPP/US is a Partner at Mullen Coughlin, located in Richmond, Virginia. She focuses her practice on counseling […]

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  • Kevin E. Dolan Partner & Co-Chair, Advisory Compliance
    (267) 930-4861

    Kevin E. Dolan is a Partner at Mullen Coughlin and Co-Chair of the Firm’s Advisory Compliance practice group. As Co-Chair, […]

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  • Kevin M. Farrell Partner
    (267) 930-4691

    Kevin Farrell is a Partner at Mullen Coughlin. He represents organizations, particularly in the healthcare and life sciences industry, through […]

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  • Edward J. Finn Partner
    (267) 930-4776

    A Partner at Mullen Coughlin, Ed Finn assists organizations in various industry groups with ensuring compliance with a wide variety […]

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  • Len Fisher Partner
    (267) 930-4379

    Len Fisher is a Partner at Mullen Coughlin. His practice focuses on providing counsel to organizations who have experienced a […]

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  • B Fox Brian F. Fox Partner
    (267) 930-4777

    Brian Fox focuses his practice on privacy and data security matters, helping clients navigate the various state, federal and international laws that govern the protection of data. When a privacy event occurs, he assists clients with locating the source of the breach, identifies affected individuals and prepares the legally required notice to individuals and regulatory officials.

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Firm News & Events

Partner Carolyn Purwin Ryan Presents at ClaimsXchange’s “Annual Conference” in Philadelphia

Mullen Coughlin Partner Carolyn Purwin Ryan, after a successful Cyber Claims Academy presentation in July, presents at ClaimsXchange’s “Annual Conference” on October 9 in Philadelphia alongside Trium Cyber’s Chief Claims Officer David Rock on the session “Living Through the Nightmare: A Cyber Incident Response Tabletop Exercise.”

This interactive session guides attendees through the steps that an organization should take after a data privacy and security incident through a mock Tabletop Exercise. Carolyn, using her Breach Counsel and Litigation experience, discusses the state and federal laws that guide an incident response, as well as dive into emerging privacy regulations and trends and address communication, contractual obligations and law enforcement reporting during an incident response.

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Litigation Partner Jordan O’Donnell Joins CLM Claims College’s Faculty for the “School of Cyber Claims”

Mullen Coughlin Litigation Partner Jordan O’Donnell joins the 2025 CLM Claims College faculty for the “School of Cyber Claims” from September 3-5.

CLM Claims College’s “School of Cyber Claims,” and Jordan as a faculty member, covers a variety of topics related to cyber-attacks including privacy and data protection principles and laws, as well as strategies to resolve cyber claims. Jordan is joined on the faculty by numerous professionals from cyber insurance, legal and digital forensics.

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Mullen Coughlin Sponsors intouch|Live’s “New York Cyber & Business Symposium”

Mullen Coughlin LLC is proud to be a sponsor of intouch|Live’s 2025 “New York Cyber & Business Symposium” on August 1 at Citi Field.

The Cyber & Business Symposium consists of a full day of educational programming on a variety of topics related to data privacy, cybersecurity and incident response, followed by a networking reception with attendees from the cyber insurance industry, the federal government, law enforcement and digital forensics.

Partner & Co-Chair of the Litigation practice, Carolyn Purwin Ryan, moderates the panel “How to Avoid Us? Common Mistakes in Incident Response” alongside incident response professionals from Irongate Security, Microsoft and intouch Insurance Services. The panel examines common missteps in an organization’s response and investigation into an incident response from the insurance, technical and legal perspectives.

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