Canada’s House of Commons Hit by Cyberattack Linked to China-Backed Hackers

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Canada’s House of Commons confirmed on Monday that it had been the target of a cyberattack, marking one of the most serious digital intrusions into the country’s parliamentary systems in recent years. Officials revealed that the breach is suspected to have been carried out by China-linked hackers who were also behind a series of recent SharePoint zero-day attacks worldwide.

Employee Data at Risk

The cyberattack compromised employee-related data, though authorities are still assessing the full scale of exposure. Security teams working inside Parliament immediately moved to isolate affected systems and strengthen digital firewalls. Lawmakers and staff have been instructed to reset passwords, update security protocols, and remain vigilant against further suspicious activity.

Similarities to Global Attacks

Experts believe the attack mirrors techniques used in a global wave of hacking attempts that exploited vulnerabilities in Microsoft SharePoint. Those incidents, attributed to advanced persistent threat (APT) groups tied to China, targeted government agencies, private companies, and research institutions. Analysts say the intrusion into Canada’s House of Commons fits the broader pattern of cyber espionage campaigns designed to steal sensitive data and undermine institutional trust.

Government Steps Up Response

Parliamentary leaders and Canada’s national cybersecurity agency have launched a joint investigation, while additional security layers are being deployed to prevent follow-up breaches. Officials emphasized that no evidence currently suggests classified national security information was taken but acknowledged that the attack represents a “serious warning” about foreign interference in democratic systems.

Growing Worries Over State-Sponsored Hacking

This incident adds to rising global concerns over state-sponsored cyber operations targeting democratic institutions. Canada has previously raised alarms about attempts by foreign governments to meddle in its political processes, and this attack is expected to intensify calls for stronger defenses across parliamentary and government networks.

What Lies Ahead

Investigations remain ongoing, but cybersecurity experts warn that attacks of this nature are unlikely to be isolated. The targeting of parliamentary systems highlights the urgent need for robust cyber defense strategies to protect both national security and public trust in democratic institutions.