logo

Alleged Chinese hacker extradited to US over cyberattacks targeting COVID-19 research

ID: 8e2708a9-c1f6-544b-86c4-669ff6125abc

STIX ID: report--8e2708a9-c1f6-544b-86c4-669ff6125abc

Feed Name: Help Net Security

Threat Score
90/100

Date Published: 2026-04-28

Date Updated: 2026-04-29

Author: Sinisa Markovic

...
...

**Executive Summary:** U.S. authorities extradited and charged Xu Zewei for participating in a large, state-directed cyber espionage campaign (linked to HAFNIUM) that exploited Microsoft Exchange Server vulnerabilities to install web shells, compromise thousands of organizations—including U.S. universities and COVID-19 research entities—and collect or sell stolen data under direction of China’s Ministry of State Security.

Your team is not currently subscribed to this feed. You must subscribe to it in order to see this post.