It is stated that as a result of the investigation of the Authority within the scope of the notices submitted to the Authority, the software provided by the software firms to the automobile renting companies and the negative experiences of the rent holders during their automobile rental period and the comments of the automobile rental companies for the next renting processes can be viewed by another automobile renting companies in the rental situation, and the lessor is not aware of the processing of this knowledge.
It is stated that once an evaluation is made case-by-case basis between the fundamental rights and freedoms of the person and the legitimate interests of the data controller, the blacklist application is applicable within the data controller company, but if the processed personal data is shared with the other firms, the fundamental rights and freedoms of the data subject will be violated, and commitment to the purpose, limitation and it has been evaluated that is incompatible with the principle of proportionality. In the Decision, it is also stated that the processing of personal data within the scope of the blacklist will prevent the data subject from exercising their rights since they cannot know other automobile renting companies that their personal data were shared with it.