Data protection
18 Aug 2025
Mareike
Data Protection: Importance, Challenges and the Role of the GDPR
Data protection is of central importance in today’s digital world. With the increasing digitalisation and the collection of large amounts of data, the protection of personal information has become a significant concern. In this article, we will explain the basic concepts of data protection, address the key questions regarding breaches of data protection rights, and clarify when the General Data Protection Regulation (GDPR) does not apply.
What exactly is meant by data protection?
Data protection refers to the legal and practical protection of personal data. It encompasses the measures taken to safeguard individuals' privacy and prevent their personal information from being collected, processed, or shared without their consent. Personal data includes any information that relates to an identified or identifiable natural person, such as:
Name
Address
Phone number
Email address
Date of birth
IP address
Health data
Data protection aims to protect the autonomy and rights of individuals and ensure that data is handled responsibly and transparently. The principles of data protection include purpose limitation, data minimisation, accuracy, and storage of data only as long as necessary for the intended purpose.
What is the GDPR?
The General Data Protection Regulation (GDPR) is a comprehensive regulation of the European Union that governs the protection of personal data within the EU. It came into effect on 25 May 2018 and ensures that individuals have more control over their personal data. Key provisions of the GDPR include:
Right of access: Affected individuals have the right to know what personal data is being processed and for what purpose.
Right to rectification: Individuals can request the correction of inaccurate or incomplete data.
Right to erasure: Also known as the “right to be forgotten,” this allows individuals to request the deletion of their data under certain conditions.
Right to data portability: Users have the right to receive their data in a structured, common, and machine-readable format and to transmit it to another provider.
Consent: The processing of personal data is only permitted with the explicit consent of the affected individual, unless there is another legal basis.
Obligations for companies: The GDPR imposes strict requirements on companies and organisations, including the obligation to implement appropriate security measures and to report data breaches within 72 hours.
Why is data protection so important?
Data protection is crucial as it protects individuals' right to decide how their personal data is used. In a time when data is seen as a valuable asset and companies collect significant amounts of information, it is important for individuals to maintain control over their data. Data protection helps to maintain trust in digital services and platforms by ensuring that personal information is not misused. It also protects against identity theft, discrimination, and other potential harms resulting from inadequate treatment of personal data. Strong data protection is thus not just a legal requirement but also an ethical obligation towards users and society.
What role do data protection and the GDPR play for companies?
For companies, data protection plays a vital role from both a legal and a business perspective. The GDPR requires companies to handle and protect personal data responsibly to avoid legal consequences. Violations of the GDPR can lead to hefty fines of up to 4% of annual revenue or 20 million euros, whichever amount is higher.
Additionally, responsible data handling fosters trust among customers and can positively impact the company's image. Companies that communicate transparently about their data handling and respect their customers' privacy can gain a competitive advantage. A robust data protection strategy can also help improve data quality and reduce risks associated with data breaches or cyberattacks. Overall, data protection is not only a legal requirement but also an essential component of sustainable and responsible business management.
When is data protection breached?
A data protection breach occurs when personal data is processed unlawfully or the rights of affected individuals are disregarded. Common examples of data breaches include:
Unauthorised access to data: When third parties access personal data without permission, for example, through hacking or security gaps in systems.
Data leaks: When data is accidentally disclosed or lost, for instance, through unsecured backups or mistakenly sending emails to the wrong recipients.
Disregarding rights of access: When affected individuals are not informed about how their data is processed, or when access to their data is denied.
Lack of consent: When personal data is processed without the explicit consent of the affected individual, e.g., sending newsletters without consent.
When does the GDPR not apply?
The General Data Protection Regulation (GDPR) is considered a significant framework for the protection of personal data in the European Union. However, there are certain situations where the GDPR does not apply:
Processing by natural persons for personal or family activities: If someone processes data for purely personal purposes, such as sending family photos or using social media for private contacts, the GDPR does not apply.
Processing of data for purely journalistic, artistic or literary purposes: In these cases, certain data protection rights may be restricted to ensure freedom of expression and freedom of information.
Processing in the area of national security: If data processing occurs in the context of national security or defense, the GDPR does not apply. These areas are often governed by specific laws and regulations.
Processing by authorities and public bodies: In some cases, especially for processing by governmental authorities to fulfill public tasks, there may be different regulations that do not fall under the GDPR.
Conclusion
Data protection is a fundamental right that protects the privacy and personal data of individuals. With the rise of data processing and digital services, it is essential to develop a clear understanding of the principles and challenges of data protection. The GDPR plays a central role, but it is also important to be aware of the limits and exceptions. By taking the requirements of data protection seriously, companies and organisations can not only avoid legal consequences but also strengthen the trust of their customers and users.
