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🇨🇳 China · Data security

DSL

Data Security Law

The Data Security Law took effect 1 September 2021, governing data handling activities broadly rather than only personal information. It establishes a tiered data classification system, with escalating protections for important data and core data tied to national security.

Jurisdiction:🇨🇳 China
Type:Data security
In effect:2021
Authority:Cyberspace Administration of China (CAC)

Who it applies to

Data handling activities and their security within China, extending extraterritorially to data activities outside China that harm China's national security, public interest, or the lawful rights of Chinese citizens and organizations.

Identity requirements

How it impacts identity systems

Identity areaImpact
Data residency & cross-border transferImportant data is subject to export restrictions and assessment, and data stored in China cannot be handed to foreign authorities without prior government approval.
Identity governance (IGA)Organizations must classify and grade data, including identity datasets, and govern access in line with its sensitivity tier.
Audit, logging & accountabilityHandlers must run risk assessments and maintain a data security management system to demonstrate compliance.
Breach notificationOn a data security incident, handlers must take remedial action and promptly notify users and the competent authorities.

Penalties

Penalties range from rectification orders and fines up to 10 million yuan for the most serious violations, suspension or revocation of business permits, and personal fines for responsible individuals.

DSL: frequently asked questions

What does the Data Security Law actually protect?
It governs the security of all data, not just personal information, and applies escalating obligations based on a data classification and grading system.
What is important data under the DSL?
Important data is data that, if leaked or misused, could endanger national security, the public interest, or the rights of individuals and organizations; it triggers heightened protection and transfer restrictions.
Can a company give China-stored data to a foreign court or regulator?
Not without prior approval from the competent Chinese authorities; the DSL prohibits providing data stored in China to foreign judicial or law enforcement bodies absent that approval.
Educational summary, not legal advice. Confirm current requirements with the relevant authority or counsel. See all China regulations or the full country index.