Named to Cybersecurity Docket’s Incident Response 40 list for 2021, recognizing the “best data breach response lawyers” based on “input from numerous senior lawyers and other professionals in the field”

Serrin Turner

New York
  • 1271 Avenue of the Americas
  • New York, NY 10020
  • USA

Serrin Turner is a member of the firm’s Data Security & Privacy Practice, Complex Commercial Litigation Practice, and White Collar Defense & Government Investigations Practice.

A former federal prosecutor, Mr. Turner is an experienced trial and appellate lawyer who represents and advises clients on a wide range of cybersecurity and privacy-related matters, including:

  • Class-action litigation
  • Regulatory investigations
  • Commercial disputes
  • Incident response

Mr. Turner joined Latham following six years as an Assistant US Attorney for the Southern District of New York, where he served as the Office’s lead cybercrime prosecutor. In that role, Mr. Turner handled a wide range of cybercrime investigations and prosecutions, including matters involving computer hacking, data breaches, trade-secret theft, black-market websites, trafficking in stolen payment card and personal identity information, and money laundering through digital currencies.

While at the US Attorney’s Office, Mr. Turner also handled high-profile litigation involving US electronic surveillance statutes, including Amnesty International v. Clapper, a constitutional challenge to a key foreign-intelligence surveillance statute, as well In re Microsoft Search Warrant, a challenge brought by a leading email provider to a search warrant for data stored overseas.

Prior to his service at the US Attorney’s Office, Mr. Turner served in the Civil Division of the US Department of Justice. He is a two-time recipient of the Attorney General’s Award for Distinguished Service, the Justice Department’s second-highest award, and he has also received the John Marshall Award for Trial of Litigation, the Justice Department's highest award for trial litigators.

Mr. Turner's experience includes representing:

  • Facebook, in consolidated consumer class action arising out of a criminal attack on Facebook’s web platform affecting approximately 29 million users globally; defeated class certification of plaintiffs’ damages claims and successfully negotiated no-damages settlement
  • Zynga, a social game developer, in putative class action litigation related to a data breach allegedly affecting over 200 million users
  • An internet advertising intermediary, in putative class action litigation relating to alleged consumer data collection practices
  • A payment services provider in litigation concerning a large business email compromise incident
Government Investigations
  • A social media company in multiple privacy-related investigations brought by the FTC, state attorneys general, and data protection authorities in the EU and Asia
  • A data analytics provider in an FTC investigation into collection of mobile device user information
  • An entertainment company in a criminal investigation into alleged computer hacking by company employees
Incident Response
  • An educational services company in connection with a ransomware attack
  • A national retailer in connection with a breach of payment card data
  • A financial institution in connection with an intrusion by a suspected state-sponsored advanced persistent threat (APT) group
  • A computer equipment manufacturer in connection with a business email compromise incident
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