Did a Chinese University Hacking Competition Target a Real Victim?
Briefly

While capture the flag (CTF) competitions generally serve as training grounds for cybersecurity skills, the 2022 Zhujian Cup's lack of transparency raised the potential for hidden espionage activities.
Participants in the Zhujian Cup were bound by unusual agreements that restricted their discussions about the competition's tasks, implied the contest was held in real environments rather than simulated ones, and suggested possible espionage motives involved.
Read at WIRED
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