Crowell & Moring LLP combines legal, technical, and regulatory experience to advise clients on investigations, compliance with EU GDPR guidelines, and cybersecurity and data privacy incident response. The team also supports government contractors and healthcare companies. The team is led by Jeffrey Poston, who is based in Washington DC, and assists clients in the defense and protection of companies targeted by cyber criminals. Los Angeles-based Jennie VonCannon brings over 20 years of experience as a technology trial lawyer and privacy and cybersecurity advisor, while Washington-based Kate Growley advises clients in the US government contracting community. Evan Wolff and Matthew Welling have left the firm; Matthew Ferraro joined the team in July 2025.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Great cybersecurity technical understanding. Strong rapport with law enforcement. Practical advice.'

Key clients

  • Capsule Corporation
  • Fox Corporation
  • Honeywell International
  • Microsoft

Work highlights

Advised Honeywell to ensure compliance with DoD cybersecurity requirements, including establishing a Cybersecurity Program Management Office.
Represents Microsoft in affirmative litigations against global cybercriminals to take down the infrastructure they use to launch cyberattacks against U.S. companies.
Practice head

Jeffrey Poston

Other key lawyers

Kate Growley; Matthew Ferraro