Department profile
Privacy & Data Security: The Elite
Global Guide 2026 : USA
Rankings
Ranked Individuals
Ranked Individuals
Chambers Review
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Work Highlights
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Debevoise acted for the Securities Industry and Financial Markets Association to advise on comment letters and responses to a number of proposed new regulatory measures and wider requests for comment.
Strengths
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I view them as some of the best in the industry; they are knowledgeable, thought leaders in this space with tremendous amounts of experience. They are leading issues impacting the cyber industry.
Privacy & Data Security: The Elite respondentGlobalDebevoise's team possesses a deep understanding of the complex legal landscape, particularly when it comes to risk specific to our business. Their insights have been invaluable.
Privacy & Data Security: The Elite respondentGlobalThe team has a very strong understanding of regulatory impact and the bench is second to none.
Privacy & Data Security: The Elite respondentGlobalTheir industry knowledge and experience make them suited to address complex, sophisticated matters. Regulatory compliance, litigation, emerging issues - they have resources to address all my needs.
Privacy & Data Security: The Elite respondentGlobalDebevoise are top notch for incident response and have a great blend of security and regulatory expertise, with many people having previously held senior roles in DOJ and SEC.
Privacy & Data Security: The Elite respondentGlobal
Notable Practitioners
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Band 1 
Band 1 Luke Dembosky
Luke Dembosky draws from a great fund of experience as a former Deputy Assistant Attorney General for National Security to advise a clientele consisting of a number of household-name financial institutions. He has particular expertise in counseling on cyber-attack preparation and response. Luke Dembosky is an exceptional data breach lawyer.
Privacy & Data Security: The Elite respondentGlobalLuke is my go-to, he is a trusted expert, well known and regarded in the cyber legal community as an experienced cyber outside counsel. He would be my first call for significant incidents.
Privacy & Data Security: The Elite respondentGlobalLuke Dembosky is just great, fantastic. He helps us with anything dealing with information security.
Privacy & Data Security: The Elite respondentGlobalLuke brings a well-rounded and deep understanding of the data security/privacy landscape. His broad, rich experience in public service and private sectors serve him well in providing spot-on guidance.
Privacy & Data Security: The Elite respondentGlobalLuke is always responsive, attentive and demonstrates a genuine interest in understanding our business. He possesses a deep understanding of complex legal concepts and his expertise is invaluable.
Privacy & Data Security: The Elite respondentGlobal
Band 3 Band 3 Erez Liebermann
Erez Liebermann has extensive experience in supporting clients in global ransomware response. He also demonstrates strong capabilities in compliance counseling and handling internal investigations. Erez brings his experience in government, private sector and private practice to provide unmatched expertise and client service.
Privacy & Data Security: The Elite respondentGlobalErez is truly a leader in the field of cyber and privacy law. His ability to navigate complex legal frameworks while offering pragmatic and forward- thinking solutions is second to none.
Privacy & Data Security: The Elite respondentGlobalAs one of the leads in the data security related practice, Erez's knowledge base and related advice is wonderfully comprehensive and always commercially relevant.
Privacy & Data Security: The Elite respondentGlobalErez Liebermann is a well known, regarded and respected practitioner in the legal space.
Privacy & Data Security: The Elite respondentGlobalErez is a great all-around partner. Very responsive and excellent at leading incidents and tabletops.
Privacy & Data Security: The Elite respondentGlobal
Band 4 
Band 4 Avi Gesser
Avi Gesser is well known for advising large tech companies on AI readiness. He also has extensive experience of assisting clients in incidents stemming from both data breaches and ransomware events. I think Avi is the top expert in the space. He sees so much. He is so in the know on updates in the cybersecurity space. Really smart to deal with and thinks through issues.
Privacy & Data Security: The Elite respondentGlobalAvi is considered a leader in the thought space for AI and legal governance.
Privacy & Data Security: The Elite respondentGlobalAvi is an unparalleled expert in areas of data governance and AI.
Privacy & Data Security: The Elite respondentGlobalAvi is not only very knowledgeable on matters of data security/privacy, but also on the intersection of data and AI.
Privacy & Data Security: The Elite respondentGlobal
Band 4 Band 4 James Pastore
James Pastore boasts expertise in a range of contentious and post-crisis matters, including class action litigation and data breach response. It is beyond rare to find someone who has such deep mastery of the subject matter, let alone one that can execute on both sides of breach response and litigation.
Privacy & Data Security: The Elite respondentGlobalJames is a smart, solid guy.
Privacy & Data Security: The Elite respondentGlobalJim is an exceptional litigator with sharp instincts.
Privacy & Data Security: The Elite respondentGlobal
Ranked Individuals at Debevoise & Plimpton LLP (4)
USA
Luke Dembosky
Privacy & Data Security: Cybersecurity
View profile Erez Liebermann
Privacy & Data Security: Cybersecurity
View profile Avi Gesser
Privacy & Data Security: Cybersecurity
View profile James Pastore
Privacy & Data Security: Cybersecurity
View profile
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