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

Keypoints

• The law firm was targeted through a zero-day vulnerability that exploited its email system.
• An investigation revealed the attack was likely linked to Chinese state-sponsored cyber espionage groups.
• There is no evidence suggesting that sensitive client information was compromised or stolen.
• The hackers spent an estimated 400 days inside the targeted networks, indicating a lengthy espionage operation.
• Other law firms, including Wiley Rein, have also been targeted by Chinese hackers for intelligence gathering.