--- type: "Glossary Term" title: "What Is GDPR? The General Data Protection Regulation" description: "What is the GDPR (General Data Protection Regulation)? Learn how it protects the personal data of people in the EU and what it means for businesses outside it." url: "https://www.roicool.com/en/glossary/gdpr" lang: "en" dateModified: "2026-08-12" resource: "https://www.roicool.com/en/glossary/gdpr" alternates: tr: "https://www.roicool.com/sozluk/gdpr.md" generated: { by: "process:roicool-cms", at: "2026-08-12T17:22:38.586Z" } related: - { title: "Consent Mode", resource: "https://www.roicool.com/en/glossary/consent-mode.md" } - { title: "a Cookie", resource: "https://www.roicool.com/en/glossary/cookies.md" } - { title: "Consent Mode and KVKK", resource: "https://www.roicool.com/en/services/consent-mode.md" } - { title: "Glossary", resource: "https://www.roicool.com/en/glossary.md" } --- # What Is GDPR? A Complete Data Security and Privacy Guide for Businesses The GDPR (General Data Protection Regulation) is the legal framework that sets strict rules for processing the personal data of European Union citizens; it took effect on 25 May 2018. It concerns not only companies in the EU but every business that processes EU citizens' data. It rests on seven core principles and provides for heavy fines calculated on turnover when it is violated. ## In short The GDPR shapes almost every marketing activity that collects personal data. Email lists, cookies, analytics and ad tags, form data and CRM records all need a valid legal basis, often explicit consent. People have rights to access, correct and request deletion of their data, and organisations must be able to demonstrate compliance. For example, a Turkish online store serving visitors in the EU should load analytics cookies only after consent is given through its cookie banner; Turkey's own equivalent law is the KVKK. ## Key points - The GDPR is an updated framework prepared because the 1995 Data Protection Directive could not keep up with technological change. - The regulation rests on seven principles: lawfulness and transparency, purpose limitation, data minimization, accuracy, storage limitation, integrity and confidentiality, and accountability. - Under the accountability principle, the business acting as data controller must be able to prove it complies with all the other principles. - Lower-tier violations carry fines of up to 2% of annual global turnover or €10 million, higher-tier violations up to 4% or €20 million, whichever is higher. - When a data breach occurs, the relevant supervisory authority and, depending on the case, the data subjects must be notified within 72 hours. - It has many similarities with KVKK (Turkey's personal data protection law); a Turkish company that processes the data of individuals in the EU must comply with both KVKK and the GDPR. - Compliance requires mapping your data, finding a legal basis for each processing activity, preparing a privacy notice, setting up a process for individual rights requests and training staff regularly. In the digital age, data has become one of the most valuable assets there is. But this has also raised serious concerns about protecting personal data. The GDPR came into force to address those concerns and safeguard the personal data of European Union citizens. The GDPR (General Data Protection Regulation) is a legal framework that sets strict rules for processing and protecting the personal data of European Union (EU) citizens. In force since 25 May 2018, the regulation concerns not only companies inside the EU but businesses all over the world that process EU citizens' data. In this guide, we'll cover in full detail what the GDPR is, its core principles, the obligations it places on businesses and the practical steps you need to take to comply. ## What Is the GDPR and Why Was It Created? At its core, the GDPR is a set of rules for collecting, storing and using personal data. It gives individuals more control over their data and makes companies responsible for protecting it. The main reasons the GDPR was created are: - An Updated Legal Framework: The 1995 Data Protection Directive could not keep up with technological change. - Giving Individuals More Control: People should be informed about how their personal data is used and have the right to access, correct or delete it. - Setting a Global Standard: Making companies everywhere in the world follow the same standards when protecting EU citizens' data. ### The Relationship Between KVKK and the GDPR Turkey's Personal Data Protection Law (KVKK, Kişisel Verilerin Korunması Kanunu) has many similarities with the GDPR. Both laws aim to protect data security and individual rights. However, the GDPR can contain more detailed and stricter rules than KVKK on some points. A company in Turkey that processes the data of individuals in the EU must comply with both KVKK and the GDPR. ## The Core Principles of the GDPR The GDPR is built on seven core principles that govern data processing: - Lawfulness, Fairness and Transparency: Data processing must be lawful, fair and transparent. Data subjects must be clearly informed about how their data is processed. - Purpose Limitation: Personal data must be collected for specified, explicit and legitimate purposes and not processed beyond them. - Data Minimization: The data collected must be limited to what is necessary for the stated purpose. Unnecessary or excessive data must not be collected. - Accuracy: Data must be accurate and, where necessary, kept up to date. Steps must be taken to delete or correct inaccurate data. - Storage Limitation: Personal data must not be kept longer than necessary for the purpose it was collected for. - Integrity and Confidentiality: Data must be protected with appropriate security measures against unauthorized or unlawful processing, loss, destruction or damage. - Accountability: The data controller (the business) must be able to prove it complies with all of the principles above. This is one of the most important principles of the GDPR. ## GDPR Obligations and Fines for Businesses Failing to comply with the GDPR can lead to serious financial and reputational losses for businesses. GDPR violations are fined at two levels: - Lower-tier Violations: Fines of up to 2% of the company's annual global turnover or €10 million (whichever is higher). - Higher-tier Violations: Fines of up to 4% of the company's annual global turnover or €20 million (whichever is higher). ### What Should Businesses Do? Practical Compliance Steps GDPR compliance can be complex, but you can manage it with the steps below: - Map Your Data: Identify which personal data your business collects, where it is stored, who can access it and why you process it. - Establish a Legal Basis: Make sure you have a legal basis for every processing activity (for example, explicit consent, performance of a contract, a legal obligation). - Prepare a Privacy Policy and Privacy Notice: Tell your users transparently and clearly how their data is processed, how long it is kept and what rights they have. - Support Individuals' Rights: Set up an easily accessible process so data subjects can exercise their rights of access, rectification, erasure (the right to be forgotten) and data portability. - Ensure Data Security: Take technical and organizational security measures to protect data against cyberattacks, loss or unauthorized access (for example, encryption and access control policies). - Set Up a Breach Notification Process: Create a plan to notify the relevant supervisory authority and, depending on the case, the data subjects within 72 hours if a data breach occurs. - Train Your Employees: Give your staff regular training on the importance of data security and privacy. Human error is one of the most common causes of data breaches. ## Conclusion: The GDPR Is Not Just an Obligation but an Opportunity At first glance, the GDPR can look like a complex, costly obligation for businesses. But complying with it is actually a great opportunity to strengthen your brand's credibility and reputation. Processing data transparently and responsibly reinforces your customers' trust in you and builds long-term loyalty. Remember, in the digital world data security and privacy are no longer optional; they are a must. GDPR compliance is vital not only for avoiding fines but also for building an ethical, sustainable business model. ## Related terms - [Consent Mode](https://www.roicool.com/en/glossary/consent-mode) - [a Cookie](https://www.roicool.com/en/glossary/cookies) ## Related service - [Consent Mode and KVKK](https://www.roicool.com/en/services/consent-mode) Breadcrumb: [Home](https://www.roicool.com/en) › [Glossary](https://www.roicool.com/en/glossary) › What Is GDPR? A Complete Data Security and Privacy Guide for Businesses Related pages: - [Glossary](https://www.roicool.com/en/glossary) Source: https://www.roicool.com/en/glossary/gdpr · Last updated: 2026-08-12