A Comprehensive Guide to KVKK
Data Protection Law & Regulations in Türkiye: A Comprehensive Guide for 2025

Türkiye’s digital transformation has brought with it a heightened focus on data privacy and protection. The cornerstone of this legal framework is the Personal Data Protection Law No. 6698 (KVKK), enacted in 2016. This comprehensive legislation mirrors many principles of the EU’s General Data Protection Regulation (GDPR), aiming to safeguard individuals’ fundamental rights and freedoms, particularly their right to privacy, concerning the processing of personal data.
For businesses operating within or with ties to Türkiye, understanding and complying with the KVKK is not merely a legal obligation but a strategic imperative. Non-compliance can lead to significant administrative fines and reputational damage.
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The Foundation: Understanding KVKK’s Core Principles
The KVKK establishes a robust set of principles that govern the lawful processing of personal data. These principles guide all data processing activities, from collection to deletion.
- Lawfulness and Fairness: Personal data must be processed in a fair, lawful, and transparent manner. This means data processing must be based on a legitimate legal ground and conducted in a way that respects the data subject’s rights.
- Accuracy and Up-to-Date: Collected data must be accurate and, where necessary, kept up to date. Outdated or incorrect data can lead to legal issues.
- Specific, Explicit, and Legitimate Purposes: Data should only be collected for specified, explicit, and legitimate purposes. Further processing incompatible with these initial purposes is generally prohibited.
- Relevance and Proportionality: Personal data collected should be relevant, limited to what is necessary, and proportionate to the purposes for which it is processed. Data minimization is a key aspect.
- Retention Limits: Data should be stored only for the period necessary for the purposes for which it was processed or as required by relevant laws.
Key Obligations for Data Controllers
Under the KVKK, data controllers (the natural or legal persons who determine the purposes and means of processing personal data) bear significant responsibilities.
Data Breach Notification: In the event of a data breach, data controllers must notify the KVKK Authority within 72 hours and, where necessary, inform the affected data subjects without undue delay.
Obligation to Inform: Data controllers must inform data subjects about the processing of their personal data. This includes details such as the identity of the data controller, the purposes of processing, the legal basis, recipients of the data, and data subjects’ rights. This is often achieved through “illumination texts” or privacy policies.
Data Security Obligations: Implementing appropriate technical and administrative measures to ensure the security of personal data is crucial. This includes preventing unauthorized access, accidental loss, disclosure, or alteration of data.
Data Controllers’ Registry (VERBİS): Many data controllers are required to register with the Data Controllers’ Registry Information System (VERBİS). This system is managed by the Personal Data Protection Authority (KVKK Authority). Foreign data controllers must appoint a representative in Türkiye for this purpose.
Responding to Data Subject Requests: Data subjects have various rights, including the right to access their data, request rectification or erasure, and object to processing. Data controllers must have mechanisms in place to respond to these requests efficiently.

Cross-Border Data Transfers: A Critical Area
One of the most intricate aspects of Türkiye’s data protection landscape is the regulation of cross-border data transfers. Recent amendments to the KVKK, effective from June 1, 2024, and subsequent regulations published in July 2024, aim to align Türkiye’s framework more closely with international standards, particularly the GDPR.
Data transfers abroad are generally permitted under specific conditions:
- Adequacy Decisions: The KVKK Authority (Personal Data Protection Board) can issue adequacy decisions for countries, sectors, or international organizations deemed to provide an adequate level of data protection. No such decisions have been issued yet.
- Appropriate Safeguards: In the absence of an adequacy decision, data can still be transferred if appropriate safeguards are in place. These safeguards include:
- Binding Corporate Rules (BCRs): For multinational corporate groups, these internal rules ensure consistent data protection across entities. They require Board approval.
- Standard Contractual Clauses (SCCs): The KVKK Authority has published official SCCs that parties must use without modification. Notification to the Board within five business days of execution is mandatory.
- Written Commitments: Organizations can provide written commitments on adequate protection, subject to Board approval.
- Exceptional Transfers: Temporary data transfers may be allowed under specific, narrowly interpreted exceptions, such as explicit consent of the data subject, provided that these are not regular or continuous activities.
Navigating these new cross-border transfer rules requires careful legal analysis and adherence to the precise procedures stipulated by the KVKK Authority.
Enforcement and Penalties
The Personal Data Protection Authority (KVKK Authority), an independent public legal entity, is responsible for enforcing the KVKK. The Authority has broad powers, including investigating complaints, issuing binding decisions, and imposing administrative fines.
Penalties for non-compliance can be substantial and are revised annually. Administrative fines for non-compliance in 2025 now range from approximately TRY 68,083 to TRY 13,620,402 (around EUR 1,870 to EUR 375,000)
Beyond administrative fines, certain violations of data protection can also lead to criminal sanctions under the Turkish Criminal Code, including imprisonment for unlawful collection, processing, or transfer of personal data. Understanding these risks is crucial for any business. Our page on Turkish Criminal Law provides further insights into the broader legal landscape.
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The Role of Legal Counsel
Given the complexity and evolving nature of data protection laws in Türkiye, businesses greatly benefit from expert legal counsel. An experienced law firm can assist with:
- Compliance Audits: Assessing current data processing activities against KVKK requirements.
- Policy Development: Drafting and implementing compliant privacy policies, illumination texts, and data breach response plans.
- VERBİS Registration: Guiding through the registration process and appointing a local representative for foreign entities.
- Cross-Border Transfer Mechanisms: Advising on and preparing the necessary documentation for international data transfers, including SCCs and BCRs.
- Training: Providing training to employees on data protection obligations.
- Incident Response: Assisting with data breach notifications and handling inquiries from the KVKK Authority.
- Litigation and Dispute Resolution: Representing clients in cases involving data protection violations. For more information on our litigation services, visit our page on Litigation and Dispute Resolution in Turkey.
The KVKK is a dynamic legal area, with the KVKK Authority regularly issuing new decisions and guidelines. Staying informed and proactive is key to maintaining compliance.

Best Practices for KVKK Compliance
Successful KVKK compliance requires a comprehensive approach:
- Risk Assessment: Conduct thorough data protection impact assessments for high-risk processing activities.
- Policy Development: Implement clear data protection policies and procedures aligned with KVKK requirements.
- Employee Training: Ensure all staff understand their data protection obligations and responsibilities.
- Technical Safeguards: Deploy appropriate cybersecurity measures to protect personal data from breaches.
- Vendor Management: Ensure third-party service providers meet KVKK compliance standards.
- Incident Response: Develop robust procedures for handling data breaches and reporting requirements.
Navigating Turkey’s complex data protection regulations requires specialized legal expertise. At Akkas & Associates Law Firm, our experienced team provides comprehensive KVKK compliance services, including risk assessments, policy development, VERBIS registration, and ongoing legal support.
With over 30 years of experience serving clients since 1992, we understand the unique challenges businesses face in achieving and maintaining data protection compliance. For expert guidance on your data protection obligations, contact Akkas & Associates Law Firm today.