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Chinese Hackers Breach US Law Firm Williams & Connolly in Targeted Cyberattack

NextFin news, On Wednesday, October 8, 2025, the prominent US law firm Williams & Connolly disclosed that hackers linked to China breached parts of its computer network, according to a report by The New York Times citing two sources familiar with the matter.

The cyberattack involved unauthorized access to some attorney email accounts through a zero-day vulnerability. However, the firm stated there was no evidence that files stored in its databases were stolen.

Williams & Connolly, known for representing high-profile clients including former US President Bill Clinton, responded by engaging cybersecurity firm CrowdStrike and outside legal counsel Norton Rose Fulbright to contain the breach.

The Federal Bureau of Investigation's (FBI) Washington field office is actively investigating this intrusion along with similar incidents reported at other US law firms and technology companies.

The motive behind the attacks appears to be espionage or intelligence gathering, as law firms often hold sensitive information related to corporate, political, and legal matters.

The FBI and involved parties have not disclosed further details about the scope of the breach or the identities of the hackers beyond their alleged Chinese links.

This incident highlights ongoing cybersecurity threats faced by US legal institutions amid heightened US-China tensions and concerns over state-sponsored cyber espionage.

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