Berkeley Research Group Data Breach Investigation

The data breach lawyers at The Lyon Firm are reviewing new class action claims following reports that a cyberattack at Berkeley Research Group that may have leaked the personal data of individuals in California and nationwide. Contact our legal team if you believe your sensitive personal information may have been involved in the potential data theft incident. We have the experience, resources and dedication to take your case and seek compensation and justice following any IT security negligence.

What Happened at Berkeley Research Group?

In early March 2025, Berkeley Research Group (BRG) discovered suspicious network activity consistent with a potential ransomware attack. BRG took immediate steps to contain and remediate the situation and hired a team of cybersecurity and privacy professionals to assist. An investigation later concluded that unauthorized activity occurred between February 28, 2025, and March 2, 2025.

At the time of writing, the investigation remains ongoing, and the specific types of data and individuals impacted are not yet clear. More information should come to light in the coming weeks and anyone with links to the company should stay vigilant and move to minimize any risks of fraud and identity theft in the event that your data has been leaked. Data breach notification letters should be sent out to all known impacted individuals as they are identified.

Berkeley Research is a global management consulting firm based in Emeryville, California. The breach could be the result of a ransomware attack, and in that case the malicious actors that gained unauthorized access to the network may have encrypted data and may sell it online.

Call us now for a free consultation and case review. We believe that any entity that collects and stores your personal data has a duty to protect it with a robust IT security system. If data is compromised and stolen, it may be prudent to take legal action and seek related damages.