Erez Liebermann

Erez Liebermann

Partner, Co-Chair of U.S. Data Solutions, Cybersecurity and Privacy Practice, New York

“With long-standing experience in cybersecurity and data privacy both during my time as a prosecutor and in a leading in-house role, I offer clients a multi-dimensional, practical perspective to help them solve their most challenging cybersecurity and data privacy issues in the context of fast-changing regulations and growing commercial threats. I also advise companies at board level in handling government investigations and in general litigation.”


Professional experience

Education and qualifications


Erez is widely acknowledged as a leading cybersecurity and data privacy lawyer, together with having deep experience in government investigations and litigation. He brings his considerable experience as a litigator, prosecutor and in-house counsel, as well as aerospace engineer, to deliver practical, commercially focused advice to clients on business strategy, and legal and regulatory issues.

Erez advises major businesses on a wide range of cybersecurity and privacy legal, policy and investigative matters, including incident response, privacy breaches and intellectual property theft. He has led tabletop exercises to simulate responses to cyber events around the globe, including in Japan, Korea, Taiwan, Argentina, Brazil, the United Kingdom and the United States.

Erez has also advised extensively on government investigations and has wide-ranging experience in general litigation.

Before joining Linklaters, Erez was Prudential Financial’s chief counsel on cybersecurity and privacy in which capacity he built one of the first cybersecurity, privacy and data legal teams in a Fortune 500 company and a global cyber investigative team. He regularly advised senior management and the Board on a broad range of cybersecurity and privacy issues and led the company’s global response efforts to cyber and privacy breaches. Erez also serves on the New York State Cybersecurity Advisory Board.

As a federal prosecutor, Erez spent 10 years investigating and prosecuting global cyber and white collar crimes. As Deputy Chief of the United States Attorney’s Office for the District of New Jersey, Erez prosecuted and oversaw over 40 prosecutors handling white collar crimes, including cybercrime, terrorism, espionage, FCPA, securities fraud, and money laundering. As Chief of the Computer Hacking and Intellectual Property Section, and National Security Cyber Specialist, Erez led groundbreaking cyber prosecutions, including the largest credit card hacking case charged to date, US v. Vladimir Drinkman et al., relating to hacks into 7-Eleven, JC Penney, Heartland Payment Systems, Hannaford Brothers, Visa, Jet Blue, and others. He prosecuted the first hack and theft of internet telephony (VOIP), US v. Edwin Pena, and the use of hacking to facilitate securities fraud, US v. Christopher Rad.

Prior to joining the U.S. Attorney’s Office, Erez was a litigation and intellectual property associate at another global firm.

Erez's cases have been featured in the New York Times, Wall Street Journal, Washington Post, Wired, CNN and other media outlets. He is a frequent commentator on cyber and data privacy issues.

Work highlights 

Erez has advised on many business-critical cybercrime and data privacy matters, as well as on government investigations, including:

  • A global financial services business: advising on the buildout of the insider threat program, working with a cross-functional team to cover all cyber and privacy angles. 
  • A global pharmaceutical company: advising on a denial-of-service attack. 
  • Multiple entities: conducting a global review of data retention and disposal requirements. 
  • An American multinational investment management corporation: advising on regulatory, employment and privacy issues relating to an insider threat matter impacting the U.S. and Europe.
  • A U.S. law firm: advising on the law firm's response to a cyber attack that compromised its email system, leading to unauthorized client emails.
  • A leading global bank: advising on engaging with incident response vendors in navigating privilege. 

Professional experience

Erez was a member of the Securities Industry and Financial Markets Association (SIFMA)’s cybersecurity and privacy committees and served on the Financial Services Coordinating Council’s international and policy committees. He currently sits on Governor Cuomo’s Cyber Security Advisory Board for the State of New York.

Erez was among one of a handful of financial services lawyers invited to participate in the Financial Stability Board’s cybersecurity meetings with the world’s leading financial services regulators.

Erez is a frequent lecturer and panelist on cybersecurity and privacy. He has presented around the world, at both legal conferences, such as PLI and the Georgetown Cybersecurity Law Institute, IAPP, and at security conferences such as the RSA Conference.

Erez is the recipient of numerous awards, including the Attorney-General’s Award for Distinguished Service, numerous letters of recognition from the Director of the Federal Bureau of Investigations, and Prosecutor of the Year Award by the Federal Law Enforcement Foundation.

He previously taught cybercrime law at Rutgers University School of Law.

Education and qualifications

Erez graduated from the University of Virginia with a degree in aerospace engineering. He holds a Juris Doctor from Columbia University Law School.

Erez is a member of the New York State Bar and New Jersey Bar, and is a member of the United States Patent and Trademark Office.