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Data Breach Exposes Personal Info of Nearly 17,000 Mainland Exam Candidates

Data Breach Exposes Personal Info of Nearly 17,000 Mainland Exam Candidates

First seen 31 Oct 2026, 17:13 UTC • •

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ThreatCluster AI
ThreatCluster •October 31, 2026 at 18:44 UTC
  • •Nearly 17,000 candidates' personal data was leaked due to a cybersecurity breach.
  • •The breach was confirmed on October 30, 2026, affecting specific international assessments.
  • •HKEAA has initiated an inquiry and is cooperating with law enforcement and privacy authorities.

The Hong Kong Examinations and Assessment Authority (HKEAA) confirmed a cybersecurity breach affecting approximately 16,900 mainland Chinese students who registered for two international exams. The compromised data includes candidate names, dates of birth, and email addresses. The breach was discovered on October 30, 2026, and has been reported to the police and the Office of the Privacy Commissioner for Personal Data. HKEAA has apologized to those affected and is taking steps to mitigate the impact, including notifying affected candidates directly. The authority assured that major assessment systems, such as the Hong Kong Diploma of Secondary Education Examination, remain unaffected. Technical teams are conducting a full security review to identify the breach's root cause and enhance monitoring protocols.

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Timeline

2026-10-30
Breach discovered
HKEAA confirmed the cybersecurity breach affecting personal data of 16,900 candidates.
Thestandard.Hk
2026-10-31
Breach reported to authorities
HKEAA reported the breach to the police and the Office of the Privacy Commissioner for Personal Data.
Thestandard.Hk

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Common questions

What information was leaked?
The breach exposed names, dates of birth, and email addresses of nearly 17,000 candidates.
What steps is HKEAA taking?
HKEAA is cooperating with investigations and has set up a hotline for affected individuals.
Are other examination systems affected?
No, major assessment systems like the HKDSE remain unaffected according to HKEAA.