Campbell Conroy & O'Neil, P.C. (Campbell), a US law firm counseling dozens of Fortune 500 and Global 500 companies, has disclosed a data breach following a February 2021 ransomware attack.
Campbell's client list includes high-profile companies from various industry sectors, including automotive, aviation, energy, insurance, pharmaceutical, retail, hospitality, and transportation.
Some of its current and past clients include Exxon, Apple, Mercedes Benz, Boeing, Home Depot, British Airways, Dow Chemical, Allianz Insurance, Universal Health Services, Marriott International, Johnson & Johnson, Pfizer, Time Warner, and many others.
Ransomware attack leads to data theft
"On February 27, 2021, Campbell became aware of unusual activity on its network," the law firm revealed in a press release issued earlier today.
"Campbell conducted an investigation and determined that the network was impacted by ransomware, which prevented access to certain files on the system."
The company hired third-party forensic investigators to investigate the incident after discovering the attack and notified the FBI of the security breach.
Campbell issued a press release providing notice because the investigation determined that information relating to affected individuals was accessed by the threat actors behind the ransomware attack.
While no clear evidence of the ransomware operators accessing specific information for each potentially impacted individual, Campbell confirmed that the affected devices contained various data types.
As Campbell found, the attackers were able to access "certain individuals' names, dates of birth, driver's license numbers / state identification numbers, financial account information, Social Security numbers, passport numbers, payment card information, medical information, health insurance information, biometric data, and/or online account credentials (i.e. us ..
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