Chinese Hackers Breached Law Firm Williams & Connolly via Zero-Day

Law firm Williams & Connolly said state-sponsored hackers breached some of its systems and gained access to attorney email accounts.

The prominent Washington, DC-based law firm is known for representing political figures and government officials, including Barack Obama and the Clintons, as well as major companies such as Intel, Samsung, Google, Disney, and Bank of America.

According to a statement issued by the company, an investigation conducted with the assistance of CrowdStrike showed that the hackers exploited an unspecified zero-day vulnerability to gain access to a “small number” of attorneys’ email accounts.

The probe showed that the attack was likely the work of a state-sponsored hacker group known to have recently targeted law firms and other companies.

Williams & Connolly said there was no evidence that confidential client data was stolen or that other parts of its IT system had been compromised.

While the company’s statement does not mention ...