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U.S. Offers $10 Million Reward for Alleged HAFNIUM Hacker Zhang Yu

ID: 316b8b18-5377-5dd4-9b9e-c7bb3de55183

STIX ID: report--316b8b18-5377-5dd4-9b9e-c7bb3de55183

Feed Name: Security Affairs

Threat Score
90/100

Date Published: 2026-10-08

Date Updated: 2026-10-09

Author: Pierluigi Paganini

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The U.S. State Department is offering a $10 million reward for information leading to Zhang Yu, accused of directing HAFNIUM-linked cyberespionage that exploited Microsoft Exchange Server vulnerabilities in 2021 and compromised thousands of organizations while also targeting COVID-19 research; the report links Zhang to Shanghai Firetech and the Shanghai State Security Bureau and notes related arrests and indictments.

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