GDPR: the 5 most costly mistakes

Here are the 5 most costly mistakes in the event of a breach of the GDPR and of personal data protection obligations.

The General Data Protection Regulation (GDPR) came into force on 25 May 2018, yet many companies still struggle to achieve full compliance.

This European regulation has considerably strengthened companies' obligations regarding the protection of personal data, while significantly increasing the amount of the penalties incurred in the event of a breach.

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The scale of the risks incurred

The penalties provided for by the GDPR can reach up to 20 million euros or 4% of the company's total worldwide annual turnover, whichever is higher. These figures are far from theoretical: in 2023, European data protection authorities imposed more than 1.5 billion euros in fines on companies of all sizes.

But beyond the financial aspect, a GDPR breach can also lead to considerable reputational damage and a loss of trust on the part of your clients and partners. In a world where digital trust has become a strategic asset, these indirect consequences may prove even more costly in the long run.

The fatal mistakes that can cost you dearly

Mistake no. 1: Neglecting the mapping of data processing activities

Many companies make the mistake of not having a clear and comprehensive overview of the personal data they collect and process. Without such mapping, it is impossible to comply with the fundamental principles of the GDPR such as data minimisation or purpose limitation.

Yet this mapping is the cornerstone of any compliance approach. It makes it possible to identify the data flows within your organisation, to understand which data are collected, why, for how long they are retained, and who has access to them. A GDPR compliance lawyer will guide you through this process by providing a methodology tailored to your business sector and the size of your organisation.

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Mistake no. 2: Underestimating the importance of consent

Consent is one of the legal bases that allow personal data to be processed, and probably the one that is most poorly understood by companies. Valid consent must be freely given, specific, informed and unambiguous. Pre-ticked boxes, implied consent or bundled consent covering several distinct purposes do not comply with the GDPR.

Poorly designed collection forms and privacy policies that are too vague or inaccessible are the source of numerous penalties. In 2023, a major retail chain was ordered to pay a fine of 3 million euros for having used customer data for direct marketing purposes without having obtained valid consent.

Mistake no. 3: Ignoring the rights of data subjects

The GDPR has considerably strengthened the rights of the individuals whose data are collected: the right of access, the right to rectification, the right to erasure, the right to data portability, the right to object, and so on. These rights are not mere recommendations but legal obligations to which your company must be able to respond.

Too many organisations lack operational procedures enabling them to handle requests to exercise these rights effectively. The result: missed response deadlines, incomplete or inaccurate responses and, ultimately, complaints to the CNIL that can lead to investigations and penalties.

Mistake no. 4: Neglecting data security

The security of personal data is an explicit obligation under the GDPR. Yet many companies continue to store sensitive data without adequate protective measures: lack of encryption, weak passwords, unsecured backups, uncontrolled access, and so on.

Data breaches are now subject to an obligation to notify the CNIL within 72 hours, and sometimes the data subjects themselves. But beyond this obligation, it is precisely the inadequacy of security measures that will be scrutinised by the regulator and that may lead to severe penalties, as evidenced by the record fines imposed in recent years.

Mistake no. 5: Failing to properly govern relationships with processors

The chain of responsibility in matters of data protection now extends to all the actors that process data on your behalf. Cloud hosting providers, marketing service providers, HR service providers and so on: all these processors must offer sufficient guarantees and be bound by specific contractual clauses.

The absence of these clauses or their inadequacy constitutes an infringement of the GDPR that can prove particularly costly, in particular when an incident occurs at one of your service providers. Liability then traces back to the data controller, that is to say, you.

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Legal expertise at the service of your compliance

Faced with these risks, calling on a legal professional in data protection is not a luxury but a necessity. A GDPR compliance lawyer brings sharp legal expertise that goes well beyond mere knowledge of the regulatory text.

Their involvement makes it possible, in particular, to:

• Carry out a comprehensive compliance audit and identify areas of risk
• Put in place data governance tailored to your organisation
• Draft compliant, tailor-made legal documents (privacy policy, legal notices, processing agreements, and so on)
• Train your teams in best practices regarding data protection
• Represent and defend you in the event of a CNIL investigation

Protect your business today

The GDPR is not merely a legal constraint; it is also an opportunity to rethink your data management and turn it into a genuine competitive advantage. A well-conducted compliance process makes it possible not only to avoid penalties, but also to strengthen the trust of your clients and partners, while optimising your internal processes.

Do not take the risk of navigating this complex regulatory landscape on your own. Professional legal support will enable you to address the challenges of personal data protection with confidence and to transform this legal obligation into a genuine strategic advantage for your business.