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Personal Data : definitions, processings & retention

by Ola Mohty - Data Protection Expert – PhD in Law

Every day, we generate a multitude of information about ourselves: name, email, purchases, preferences… This information, known as “personal data,” lies at the heart of GDPR concerns. Understanding what personal data is, how it is processed and stored, and the rights individuals can exercise is essential for any organization aiming to ensure compliance and protect privacy. This article guides you through key definitions, processing activities, and best practices for personal data retention.


Personal data, a new “goldmine”

Personal Data : definition

Sensitive data: definition

Personal data processing

Data Collection

Simplify personal data management with EQS Privacy Cockpit

Collection, processing, data subject rights, retention… centralize all your GDPR compliance operations in a single platform. Ensure transparency, security, and efficiency while making it easier for individuals to exercise their rights.

Discover how it works

The minimization process

Data retention

In any discussion of personal data processing, the idea of data retention is essential.

To ensure full protection of personal data and guarantee that it remains up to date, data should only be kept for a limited and reasonable period of time.

All the legal texts agree on limiting the retention time of personal data, and that such retention must be proportionate to the purpose of the processing.

Some legal texts set a retention period. If no such period is indicated, the data controller is required to determine a period of time that is proportionate to the objective and purpose of the processing. Beyond this period, the controller must delete or anonymize the personal data.

Examples of retention periods:

  • for data relating to payroll management, the maximum retention period is 5 years
  • prospect’s personal data must be deleted if they have not responded to any solicitation for 3 years or more

GDPR: The fundamental rights granted to individuals

How to achieve GDPR compliance?

Naturally, these processes are established over time and according to certain rules. And in some cases there are limitations on the rights of individuals.

For example, a person cannot demand the deletion of their data if it is held lawfully or is required for the performance of a contract they have signed.

So in practice there are the fundamental rules, but also a myriad of cases and ways these rules are applied. Therefore, the rules and conditions must be described in procedures applicable to each organization.

To comply with your obligations and secure your practices, we advise you to :

  • centralize your process for managing data subject requests
  • collect requests on a daily basis
  • have the departments concerned by the request work collaboratively
  • have the tools to determine whether to respond to a given request, what to respond to, and how to respond.

The EQS Data Privacy solution, which was developed to answer practical customer issues, will allow you to implement these best practices smoothly and efficiently.

Rights related to personal data

Right to be informed

Right of access

Right to rectification

Right to erasure / Right to be forgotten

Overview

In the true sense of the word, there is no right to be forgotten under the GDPR, only a right to erasure.

The right to erasure allows you to request the complete deletion of your data. However, in certain cases it may be perfectly legitimate for an organization to keep and use your personal data. For this reason, exercising the right to erasure is subject to relatively strict conditions: the data subject must demonstrate that the organization’s processing of their data is not legitimate, either because it never was or because it no longer is.

To exercise the right to be forgotten, a reason must be provided: for example, the data is no longer being used for the purposes stated when the data was collected.

However, even if a reason is provided, an organization can argue that the processing has legitimate interests, for example to ensure freedom of expression and information.

In addition, if the organization has reasonable doubt concerning the identity of the person making the request, it may ask for proof of identity (within reason).

  • A data subject may make a request for erasure:
  • electronically (via form, e-mail, etc.)
  • by physical means (postal mail, etc.).

It is essential that all means be provided to facilitate the data subject’s exercise of their right to erasure by providing all necessary information (procedure, name of data controller, DPO’s details, etc.)

This information should be provided on the organization’s website in a legal noticeprivacy policy or general terms & conditions. It is mandatory for any organization with a website, subject to sanctions by the supervisory authority (see “Right to be informed”).

To respond to a legitimate erasure request, an organization has 1 to 3 months (depending on complexity of request) from the date of the initial request.

Use case

An internet service provider has personal data on you that it requires within the terms of an internet service agreement, and/or that it is obliged to retain for legal purposes (investigation of offences by judicial authorities, etc.).

After the contract has expired, the company must still keep the data as protection against potential lawsuits, for the duration of the applicable statute of limitations. During this time, your right to erasure does not apply: the company can refuse to erase your data.

However, once all retention periods have expired, the company must comply with your request and formally confirm that it has. Failure by the company to do so represents unlawful data processing.

Find out more

The right to erasure can only be exercised on the following grounds:

  • the personal data is no longer necessary for the purposes for which it was collected or processed
  • the data subject withdraws the consent on which the processing is based and there is no other legal basis for the processing
  • the data subject objects to the processing and there are no compelling legitimate grounds for the processing
  • the personal data has been processed unlawfully
  • the personal data must be erased in order to comply with a legal obligation laid down by EU law or by the law of the Member State to which the controller is subject

The data may continue to be processed, even if the data subject has a legitimate reason to exercise their right, in the event that processing is necessary :

  • to respect the right to freedom of expression and information
  • to comply with a legal obligation which requires processing under EU law or the law of the Member State to which the controller is subject, to perform a task carried out in the public interest, or to exercise an official mandate vested in the controller
  • for reasons of public interest pertaining to public health
  • for archival purposes in the public interest, for scientific or historical research or for statistical purposes
  • for the establishment, exercise or defense of legal claims.

Right to object

Overview

Any individual has the right to object, at any time, to the use of their personal data by an organization, for instance in the case of processing for commercial prospecting purposes. This right can be exercised even if the processing serves a legitimate purpose.

Unlike the right to erasure, when a data subject exercises their right to object, they are asking the company to stop processing their data, without necessarily requesting its erasure.

Nevertheless, the right to object is not an absolute right. While in most cases a data subject can exercise this right without providing a justification, for some processing activities a legitimate reason is required. More specifically, the GDPR requires that exercising of this right by the data subject be justified by “reasons relating to his or her particular situation”.

Use case

Your company sends out a newsletter to maintain a relationship with its prospects. The email addresses of the prospects are therefore used for marketing purposes, based solely on the consent given by the prospects.

The prospects must be able to exercise their right to object under the GDPR from the moment they feel that this processing (use of their email address to send them marketing messages) is no longer appropriate. In the event that they exercise this right, their email addresses must be removed from the mailing lists.

For this reason, each email you send should contain an unsubscribe link: it allows your contacts to exercise their right to object – and thus stop receiving your company’s marketing emails – in a single click.

Find out more

How does a data subject exercise their right to object?

No special formalities are required. Once the data subject has identified the data controller, they complete an online form or make the request via their website account.

Exercising this right is free of charge, and the process should be simple and user-friendly.

As with all the other rights discussed, it is essential to inform data subjects of the existence of their rights, as well as how to exercise them, e.g. via legal notices.

If the data subject does not receive a reply after one month, or if the reply is unsatisfactory, they may refer the matter to the relevant supervisory authority.

What are the limits of the right to object?

Article 38 of the GDPR sets out the limits of the right to object.

If the objection does not concern commercial prospecting, the controller may justify their refusal on several grounds:

  • If there are legitimate and compelling reasons for processing the data, or if the data is necessary to establish, exercise or support legal claims
  • The right may be waived if the data subject gives their contractual consent or if the processing of personal data is based on a legitimate interest.

Right to portability

Overview

How can you avoid being locked into a contract with a company and recover your personal data in order to change service providers? The right to portability was precisely designed to answer that question.

This new right laid out in the GDPR (since May 25, 2018) allows data subjects to retrieve their personal data in a structured, standardized and machine-readable format that allows its easy transfer to a new data controller.

This right is not absolute. It only concerns data whose processing is automated and only applies if consent has been obtained or if processing is necessary for the performance of a contract.

The controller must inform data subjects of the existence of this right in a “concise, transparent, comprehensible and easily accessible manner, in clear and simple terms”, namely in the website’s legal notice.

Data subjects should be aware of this right before closing an account so they can transfer their personal data to another controller in order to enable new data processing.

Use case

My company, a connected TV vendor, processes the preference data of our customers in order to give them a better user experience. A potential new customer, dissatisfied with the services of one of my competitors, contacted my company to get a new connected TV.

They had already configured their preferences on the competitor’s system, and it would have been very tedious for them to have to configure them again manually.

By exercising their right to data portability, a customer can require that their previous vendor transfer their data to us in a suitable format, allowing the customer to retrieve their preferences in our system.

Conclusion

Personal data protection goes beyond legal obligations and represents a strategic priority for any organization. Understanding key definitions, managing processing activities, respecting individuals’ rights, and applying proper data retention practices are essential steps toward GDPR compliance. With tools like EQS Privacy Cockpit, compliance operations can be centralized and secured efficiently, while building trust with employees and customers.

Ola Mohty
Ola Mohty

Data Protection Expert – PhD in Law

Passionate about privacy and data security, Ola has been helping organizations turn compliance into a true trust-building lever since 2018. Drawing on her deep legal expertise in personal data protection, she combines legal precision with a practical approach to support organizations of all sizes. Her mission: making data protection accessible, strategic, and value-driven.

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