Free ebook: NIS2 ready using ISO 27001 best practices
Download ebook

Data system listing and owner assignment

Critical
High
Normal
Low

Organisation must maintain a listing of used data systems and their owners. Owner is responsible for completing the related documentation and possible other security actions directly related to the data system.

Data system documentation must include at least:

  • System purpose and linked responsibilities
  • System's data location (covered in a separate task)
  • System's maintenance and development responsibilities and linked partners (covered in a separate task)
  • When necessary system's access roles and authentication methods (covered in a separate task)
  • When necessary systems interfaces to other systems (covered in a separate task)
Connected other frameworks and requirements:
I06: Pääsyoikeuksien hallinnointi
4 luku, 13 §: Tietoaineistojen ja tietojärjestelmien tietoturvallisuus
24. Responsibility of the controller
GDPR
5. Principles relating to processing of personal data
GDPR
32. Security of processing
GDPR

Documentation of other protected assets

Critical
High
Normal
Low

The organization shall list all relevant protected assets to determine ownership and to ensure that security measures cover all necessary items.

A large portion of the protected assets (including data sets, data systems, personnel / units, and partners) are treated through other tasks. In addition, the organization must list other important assets, which may be, depending on the nature of its operations, e.g. hardware (servers, network equipment, workstations, printers) or infrastructure (real estate, power generation, air conditioning).

Connected other frameworks and requirements:
8.1.1: Inventory of assets
ISO 27001
8.1.2: Ownership of assets
ISO 27001
ID.AM-1: Physical device inventory
NIST CSF
ID.AM-2: Software and app inventory
NIST CSF
5.9: Inventory of information and other associated assets
ISO 27001

Designation of data set owners

Critical
High
Normal
Low

An owner is assigned to each data set. The owner is responsible for the life cycle of the information asset and is responsible for performing the management tasks related to that asset.

The owner's duties include e.g.:

  • ensuring the documentation of asset
  • ensuring appropriate protection of asset
  • regularly reviewing access rights
  • ensuring proper handling of information, also on disposal

The owner can delegate some of the tasks, but the responsibility remains with the owner.

Connected other frameworks and requirements:
T07: Tietojen luokittelu
4 luku, 13 §: Tietoaineistojen ja tietojärjestelmien tietoturvallisuus
4 luku, 15 §: Tietoaineistojen turvallisuuden varmistaminen
32. Security of processing
GDPR
8.1.2: Ownership of assets
ISO 27001

Definition of supplier-specific responsible persons

Critical
High
Normal
Low

A responsible person has been appointed for the provider companies, who monitors the provider's activities, communications and compliance with the contract.

Responsible person must have sufficient skills to analyze cyber security requirements depending on the criticality of the provider. Responsible person also ensures that the provider appoints an own responsible person to ensure compliance with the contract and facilitate cooperation.

Connected other frameworks and requirements:
8.1.2: Ownership of assets
ISO 27001
15.2.2: Managing changes to supplier services
ISO 27001
ID.SC-4: Audit suppliers and third-party partners
NIST CSF
No items found.