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18.1.4

Tietosuoja ja henkilötietojen suojaaminen

5.34
ISO 27001

Privacy and protection of PII

Other tasks from the same security theme

Management and documentation of data breaches

Critical
High
Normal
Low

The organization must document all personal data breaches and their consequences and the corrective actions taken, regardless of the action ultimately resulting from the breach.

Failure to comply with the documentation obligation or notification is contrary to GDPR and may lead to sanctions defined on the regulation.

18.1.4: Privacy and protection of personally identifiable information
5.34: Privacy and protection of PII
ISO 27001

Reporting personal data breaches to authorities / data subjects

Critical
High
Normal
Low

A personal data breach must be reported to the supervisory authority if the breach may pose a risk to data subjects rights and freedoms. Data subjects, on the other hand, must be informed if the breach is likely to pose a high risk to their rights and freedoms. For example, registrants may take steps to reduce the adverse effect (e.g. by closing their credit card).

The notification must include the following information:

  • a clear description of the personal data breach
  • the name and contact details of the data protection officer or other contact point from which further information can be obtained
  • the likely consequences of the personal data breach
  • the measures proposed or already taken by the controller; where appropriate, measures to mitigate possible adverse effects.
33. Notification of a personal data breach to the supervisory authority
GDPR
34. Communication of a personal data breach to the data subject
GDPR
16.1.5: Response to information security incidents
ISO 27001
6.1.3: Contact with authorities
ISO 27001
A.10.1: Notification of a data breach involving PII
ISO 27018

Process for detecting and reporting security breaches related to the supply chain

Critical
High
Normal
Low

The organization shall define the procedures for reporting security breaches in the supply chain. The process must take into account all kinds of roles in the supply chain, whether we are the customer of the end product or one supplier in the chain.

Policies shall take into account agreements with partners and customers and their commitments regarding the reporting obligations of both parties.

DE.CM-6: External service provider activity monitoring
NIST CSF
A.10.1: Notification of a data breach involving PII
ISO 27018
5.23: Information security for use of cloud services
ISO 27001

Detailed assessment of the risk of data breach for data subjects

Critical
High
Normal
Low

The controller must assess the risk of the personal data breach to the data subjects. The assessment must take into account, for example, the following:

  • How likely is it that the data will be used to cause harm?
  • What harm could the data be used for (e.g. identity theft, fraud, psychological distress, humiliation or reputational damage)?
  • Nature, sensitivity and amount of personal data
  • How easy it is to identify the registrant using the data?
  • Are there many children or otherwise vulnerable people among the registrants?

The risk assessment affects the urgency and scope of reporting a breach.

34. Communication of a personal data breach to the data subject
GDPR
6.1.3: Contact with authorities
ISO 27001
16.1.5: Response to information security incidents
ISO 27001
RS.CO-3: Information sharing
NIST CSF

Process for initiating data breach treatment

Critical
High
Normal
Low

Our organization has pre-defined procedures through which the detected security breach will be addressed. The process may include e.g. the following things:

  • who are part of a team that is ready to respond to breaches
  • how and along what channel the entire team is immediately notified of the breach
  • the team determines the severity (low, medium, high) of the breach based on predefined criteria
  • the breach management is continued with a larger group according to the severity level
24. Responsibility of the controller
GDPR
32. Security of processing
GDPR
16.1.5: Response to information security incidents
ISO 27001
16.1.7: Collection of evidence
5.26: Response to information security incidents
ISO 27001