Data Protection in Hong Kong, SAR

Breach notification in Hong Kong, SAR

There is no statutory definition of a data breach under the Ordinance. However, under the non–binding guidance issued by the PCPD, data breach is defined as a “suspected breach of data security of personal data held by a data user, exposing the data to the risk of unauthorized or accidental access, processing, erasure, loss or use.”

Currently there is no mandatory requirement under the Ordinance for data users to notify authorities or data subjects about data breaches in Hong Kong. However, according to non‑binding guidance issued by the PCPD (last updated in June 2023), as a matter of best practice the PCPD encourages notification to the PCPD and to the affected data subjects as soon as practicable after becoming aware of the data breach, particularly if the data breach is likely to result in a real risk of harm to affected data subjects. Specifically, the non‑binding guidance recommends that organizations should follow the following key steps in order when handling a data breach:

  • immediate gathering of essential information;
  • containing the data breach;
  • assessing the risk of harm;
  • considering giving data breach notifications; and
  • documenting the breach.

To assist organizations in reporting data breach incidents to the PCPD more effectively and in a more convenient manner, the PCPD provides an e-Data Breach Notification Form on its website.

Past high profile data incidents in recent years have led regulators and politicians to consider introducing more stringent breach notification rules. The PCPD has already hinted at increased use of compliance checks and greater publication of investigation reports as part of "fair" enforcement of the law. The January 2020 Consultation Paper proposed mandatory breach notification requirement for organizations to notify a data incident to both the PCPD and the impacted data subjects within the prescribed period where there is a real risk of significant harm. The PCPD’s Report issued in February 2023 and the Panel Meeting Summary published in February 2024 also indicated that establishing a mandatory data breach notification mechanism would be one of the upcoming amendments.

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