Legitimate Interest Assessment (LIA)

Legitimate interest is a lawful basis for processing personal data under GDPR. Conducting a Legitimate Interest Assessment (LIA) helps ensure compliance and determine if it is an appropriate basis for the processing.

What is Legitimate Interest?

According to the GDPR, legitimate interest is one of six legal bases you can use to process personal data. When personal data is being processed based on legitimate interest, you should perform a legitimate interest assessment – also known as LIA. This is a kind of risk assessment that determines if it is a proper legal basis for processing.

Legitimate interest defers from the other bases because it does not have a particular purpose and it’s not based on consent. It is an easy go-to base when the others do not fit. To avoid misuse or fines, an LIA is recommended to help affirm that legitimate interest is a proper base.

When an LIA is conducted, you demonstrate that you have done your research in confirming the legitimacy of your processing. It proves that you are compliant and it helps you to align with the accountability principle.

Challenges of Legitimate Interest

Specific purpose

When using legitimate interest as a lawful base, you need to be specific about the purpose of processing, avoiding being vague and unclear. The processing must be necessary for that purpose.

Data Subject Rights

The interests or the fundamental rights and freedoms of the data subject must not be overridden.

Controller and Data Subject

There must be a relevant and appropriate relationship between the data subject and the controller.

Perform before processing

Perform the LIA before starting processing since you need a defined lawful basis.


Carefully assess whether you can use this legal base for your processing.


Easily perform LIAs with RESPONSUM

Guided LIA

Streamline your workflow by conducting guided Legal Impact Assessments (LIAs) and defining the scope using clear and comprehensible questions. Ensure that no crucial details are overlooked while receiving recommendations based on the assessed negative impact on the data subject.

Linked with your RoPA

When creating your RoPA based on legitimate interest, you will automatically get a balancing test. Otherwise, seamlessly connect your LIA with your current RoPAs, ensuring that all the information is centralized within a single comprehensive overview.

Balancing test

Get a questionnaire to assess the balance between the interests at hand and the rights of the data subject. The results will yield a score ranging from 0 to 100, indicating the level of negative impact on the data subjects. This score determines the appropriateness of using the respective legal basis for the processing. Additionally, you can manually input your final decision along with a justification.

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Simplify repetitive tasks by automating them and take suggested actions based on data, within the tool.


Connect with different teams and departments and keep an eye on every project within the organization.

Linked items

RESPONSUM links data from separate modules so you always have all the relevant information immediately available.

Accountability & Availability

Have the correct information readily available in one single platform in case of an audit.


Translate complex Privacy legislation requirements into easily understandable and applicable language through our guided workflows.

Flexibility ​

Generate your own RoPAs by following guided steps or utilize pre-designed templates provided within the tool. Customize your RoPA to fit your organization's needs.

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