In recent years, the dramatic rise of cyberattacks, ransomware attacks, data breaches, privacy incidents, and technology threats worldwide have created the critical need for companies to preemptively plan for cybersecurity- and privacy-related risks. Whether hostile nation state threat actors or financially motivated cybercriminals, the threats are real ― and they are here. Sidley’s Privacy and Cybersecurity practice group can help ― proactively and if necessary, crisis response.
The often-changing regulatory landscape ― federal, state, and international ― also makes for complicated compliance structures. Sidley’s Privacy and Cybersecurity practice provides exceptional counsel and representation to avoid the many cyber and privacy pitfalls that await and to allow clients to focus on providing high-quality products and services. Cutting-edge technologies like artificial Intelligence (AI) and quantum computing present complex problems for clients. Sidley is experienced and well-positioned to help clients with their evolution and implementation. The practice group also has worked on myriad transactions involving complicated terms and thorny data-related questions, as well as CFIUS-related issues implicating national security concerns. Our lawyers have held high-ranking positions with the federal government, including the White House, U.S. Department of Justice, U.S. Securities and Exchange Commission, the Federal Trade Commission (FTC), and other federal departments and agencies, as well as with United States congressional offices.
Sidley’s Privacy and Cybersecurity practice established itself nearly three decades ago as the leading source for privacy and cybersecurity counsel, assisting clients with a wide array of complex confidential information security, artificial intelligence (AI), incident and data breach response, privacy and data protection, investigations, and transactional matters. Since 1998, the group has been at the forefront of cyberlaw, particularly with regard to critical infrastructure sectors:
- Agriculture and Food
- Chemical and Hazardous Materials Industry
- Defense Industrial Base
- Government Facilities
- Nuclear Reactors, Materials, and Waste
- Communications
- Financial Services
- Critical Manufacturing
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- Emergency Services
- Information Technology
- Transportation
- Commercial Facilities
- Dams
- Energy
- Healthcare and Public Health
- Water and Water Treatment Systems
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“Sidley provides absolute excellence in technical expertise, mastery of legal and regulatory issues, strong relationships with US and foreign government officials.”
Chambers USA 2025: Nationwide – Privacy & Data Security: The Elite
From Fortune 100 corporations to emerging startups, our lawyers rapidly guide companies in all critical infrastructure sectors through data security crises of all sizes to safeguard them from evolving global threats and securing data assets. Consisting of more than 70 lawyers, our global team has significant experience in addressing cutting-edge vulnerability and cybersecurity risks, both from a proactive counseling and compliance assessment perspective, as well as reactive incident response, internal reviews, crisis management, government investigations, shepherding complex business transactions, national security matters, litigation, and administrative law.
Sidley’s Privacy and Cybersecurity practice team includes a global assembly of seasoned cyber lawyers who have also worked at high levels of the federal government, intelligence community, and U.S. military. Sidley’s privacy and cybersecurity lawyers work shoulder-to-shoulder with clients to navigate evolving cyber-oriented law and policy, including America’s AI Action Plan, the National Cybersecurity Strategy, the U.S. Department of Justice Bulk Data Compliance Rule, the European Union General Data Protection Regulation (GDPR), and the European Union’s AI Act.
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