Several intelligence agencies in the Western world have been working to determine the extent of information accessed by a suspected Canadian spy during internships at various government departments. The individual in question, Biwei Zhang, a Canadian intern at NATO’s headquarters in Belgium, was arrested on suspicion of espionage and ties with a foreign crime entity. She has been in pretrial detention since her arrest and was recently denied an appeal for release.
Zhang’s work history includes roles at Statistics Canada, the Canadian Space Agency, the European Space Agency, and the World Trade Organization over the past decade. Although Belgian authorities have not disclosed the country Zhang was allegedly spying for, reports from European media outlets suggest it was China.
The Canadian Security and Intelligence Service (CSIS) is conducting a damage assessment across multiple departments following the espionage allegations. Authorities are investigating the potential security risks posed by Zhang’s activities and connections. The focus is on determining the extent of information accessed, the possible damage caused, and any potential network involvement.
In Canada, discussions have centered on how the suspected spy obtained security clearance, while intelligence services are more interested in the information she may have obtained and whether she had any collaborators. The investigation is looking into Zhang’s activities in various organizations to assess the data she may have seen and its value to a foreign entity.
The European Space Agency and NATO have confirmed that their critical systems were not compromised by Zhang. Concerns have been raised about her alleged communication with a criminal organization, with questions arising about her direct affiliation with Chinese military intelligence or a third-party group. Reports suggest potential cooperation between Chinese intelligence agencies and third-party networks in Europe.
Authorities are also examining informal consular networks in Belgium that assist Chinese nationals and the dismantling of Chinese overseas police stations in other countries. The investigation is ongoing to determine the scope of Zhang’s espionage activities and any potential accomplices involved.
In cybersecurity terms, China’s approach to espionage differs from other nations, focusing on stealth intrusions rather than disruptive attacks. Experts suggest that China aims for long-term, undetectable access to critical systems for possible future use. The challenge lies in defending against insiders collaborating with external hackers, making it a complex security threat.
Recent reports from European media outlets have indicated suspicions of accomplices in Zhang’s case, suggesting a deeper investigation into potential network involvement.

