The General Data Protection Regulation (GDPR) makes frequent reference to GDPR data controllers and GDPR data processors, but what is the difference between a controller and a processor under the GDPR?
When the GDPR comes into effect on May 25, 2018, both data controllers and data processors will have specific duties which they must fulfill. Under the existing regulations, data processors do not have statutory responsibilities. This will change with the GDPR’s introduction. As a result, organizations will need to ensure that they are aware of whether they will be classified as data controllers or data processors. If they are unsure, they run the risk of failing to comply with the strict standards and criteria expected of them under the new law. They should also know where they stand in order to implement the necessary data protections and procedures, if applicable.
GDPR Data Controllers
The GDPR has kept the categorization of data controllers and data processors the same as it appears in the existing legislation. A data controller decides, either alone or in concert with other groups, what types of data are to be collected and how they should be processed. They have a number of important obligations under the law. Numerous distinctions exist between data controllers and data processors. Let us take, for example, a company processing payroll data: the company itself would be classified as a data processor whereas that company’s customers would be data controllers.
GDPR Data Controllers’ Responsibilities
Data controllers are responsible for, and must be able to show that, the data processing actions they use do not violate GDPR standards, in accordance with the accountability principle of Article 5. This part of the law states, among other things, that data must be “processed lawfully, fairly and in a transparent manner”.
Article 5 goes on to state that use of the data must be strictly limited to “specified, explicit and legitimate purposes”; that only the minimum data needed for the purpose will be processed; and that reasonable steps must be taken to ensure the data is accurate and up-to-date. Data controllers are also responsible for the confidentiality of the data. Compliance with these rules can be strengthened through introducing a code of conduct, which processors must abide by.
It is important that controllers put such codes of conduct and rules into place at the very beginning of their activities, following a concept called privacy by design. Once these are implemented, they can help to ensure the correct technical and organizational procedures are respected, an area where the controller is also responsible. This will help establish norms such that only the minimum amount of data is processed, in a secure manner, as a matter of course.
The GDPR further expands on this approach in Article 25, data protection by design and by default. This Article calls for the data controller to introduce “appropriate technical and organisational measures” to:
– Implement data-protection principles, such as data minimization
– Ensure that, by default, only the data necessary for each specific purpose is processed and stored
– Keep the period of the data storage to a minimum
– Ensure access to data is strictly limited to only those who require it
Data controllers should also designate the responsible parties for data protection, impact assessments, risk reduction, data protection, and data minimization.
GDPR Data Processors
Contrary to controllers, data processors are public entities or agencies that store or process data for controllers. As they play a central role by processing data, it is of the utmost importance that they are only selected after a careful review process – indeed, the GDPR requires that due diligence research be carried out when choosing a data processor – and that strict agreements be put in place to ensure that processors fulfill the requirements imposed upon them by data controllers and regulatory bodies.
GDPR Data Processors’ Responsibilities
In certain cases, data processors will be required to designate a Data Protection Officer (DPO). This concerns both processors and controllers and should be done when systematic processing of large amounts of data is conducted or when data related to criminal and legal records is processed.
Processors cannot make use of the services of sub-processors without first receiving written permission to do so and contractually binding the subcontractor to the same standards dictated to them by authorities and data controllers. Any sub-contractor used must meet GDPR standards and must comply with the established procedures before transferring any data to a non-EU country. The processor must answer for any error committed by the sub-contractor.
A key element in ensuring compliance with the GDPR will be the close collaboration of processors and controllers while conducting impact assessments. Processors must be able to answer any questions or objections posed to them. Importantly, they must be able to satisfy data subjects who choose to use their “right to be forgotten”, who request a copy of their data, or who object to the use of their data.
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