Mullen Coughlin, Cybersecurity & Data Privacy

Pre-breach planning
& Compliance
Privacy & Data Security Learn More
Breach Response 24/7 Crisis Management Services Learn More Litigation Defense Single-Plaintiff or Class Action Litigation Learn More Regulatory
Investigation
& Management
Cybersecurity and Data Protection Learn More

Cybersecurity & Data Privacy

Mullen Coughlin LLC is a law firm 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 and security 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 […]

    Read More
  • Cameron Carr UK Managing Partner & Co-Chair, International
    +44 (20) 8044 1854 | UK Mobile: +44 (7) 930 576 873 | U.S. Office: +1 (267) 930-6597

    Cameron Carr leads Mullen Coughlin’s UK office and is a recognized authority in data privacy and security incident response, data […]

    Read More
  • George Chaisty Partner
    +44 (20) 8152 2178 | U.S. Office: +1 (267) 930-4392

    George Chaisty is a Partner with Mullen Coughlin UK (MC UK) based in London. He focuses his practice on data […]

    Read More
  • MaryEllen T. Conroy Partner
    (267) 930-4582

    MaryEllen Conroy is a Partner in Mullen Coughlin’s Litigation practice. With over 30 years of experience in U.S. state and […]

    Read More
  • 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 […]

    Read More
  • Ambre Rae Cross Partner
    +44 (20) 8081 4461 | U.S. Office: +1 (267) 930-1316

    Ambre Cross is a Partner with Mullen Coughlin UK (MC UK) and a key member of the Firm’s regional Incident […]

    Read More
  • 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 […]

    Read More
  • 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 […]

    Read More
  • 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, […]

    Read More
  • 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 […]

    Read More

Firm News & Events

Mullen Coughlin Supports and Participates in Zywave’s 2026 Cyber Risk Conference

Mullen Coughlin is proud to support, and participate in, Zywave’s 2026 Cyber Risk Conference on October 29 in New York. The Cyber Risk Conference is a full day of learning and networking with the global cyber industry ecosystem offering expert insights into cyber threats, regulatory and industry trends, insurance market conditions, and risk management and quantification.

As part of the Conference, Kevin E. Dolan, Partner & Co-Chair of Mullen Coughlin’s Advisory Compliance group engages in a one-on-one discussion with the FBI’s Amit Kachhia-Patel. This session, “On the Front Lines in an Age of Rising Cyber Threats,” addresses the state of play for nation-state cyber activity, discusses proactive strategies for businesses, and outlines how to collaborate effectively with law enforcement.

Learn more about the Conference here.

Read More

Mullen Coughlin Elevates Three (3) Attorneys to Partner

Effective October 12, 2026, Mullen Coughlin LLC elevated three (3) Incident Response attorneys to Partner – Samuel Bonsall, James McCarrick, and Joshua Ullmann. Each of these individuals have earned this promotion through their dedication to the Firm and its clients, collaboration with colleagues and industry partners, and commitment to data privacy and security law.

Sian Schafle, Chair of the Firm’s Incident Response practice group, said of the promotions, “We are excited to see Sam, James, and Josh succeed and grow into the Partner role at Mullen Coughlin. These promotions not only represent an exciting achievement for these individuals, but also reflect the continued growth and strength of Mullen Coughlin.”

“Our philosophy has always been to invest in the professional and personal development of our current team,” added Managing Member Jennifer Coughlin. “These promotions are a direct translation of these investments, and we look forward to the individual and collaborative contributions these three new Partners will bring to the Firm, our practice, and the broader data privacy and cybersecurity ecosystem.”

Congratulations Sam, James, and Josh on this well-earned achievement!

Read More

Jennifer Coughlin Participates in American Bar Association (ABA) CLE

Managing Member Jennifer A. Coughlin joins the ABA’s Products Liability & Life Sciences Regional CLE Program on October 22, presenting the session “Tick Tock: The First 72 Hours of a Cyber Incident” alongside Sarah Dufendach of Beazley, Margaux Weintraub of Marsh MMA, and Jennifer Polliard of IronGate Security.

What happens when the call comes in notifying you that systems are compromised, operations are disrupted, and sensitive data may be at risk? Jenn and the panelists walk attendees through the crucial first hours after a data privacy and security incident occurs and examine what needs to be done first from all key areas of incident response including legal, digital forensics, insurance, and communications. The panel also explores how these decisions impact business’ operations, regulatory and litigation exposure, insurance coverage, reputation, and financial bottom line.

Learn more here.

Read More

© Mullen Coughlin. Attorney Advertising Notice: Information contained in this Web site may be considered attorney advertising. The material and information contained on these pages is intended to provide general information only and not legal advice. You should consult with an attorney licensed to practice in your jurisdiction before relying upon any of the information presented here. You are advised that the acts of sending e-mail to or view or downloading information from this website does not create an attorney-client relationship. Disclaimer | Sitemap