Two-Minute Recap – Data Protection Law Matters – Türkiye – 2026 March

DPA Issues Principle Decision on Separation of Consent and Privacy Notices

The Turkish Data Protection Authority (“DPA”) has issued a principle decision requiring that explicit consent and privacy notices be presented separately to data subjects.

The Authority identified the use of combined texts as a common compliance issue and emphasized that the obligation to inform must always be fulfilled prior to the processing of personal data, regardless of the legal basis relied upon. Where processing is based on explicit consent, consent and privacy notices must be structured as separate texts, even if presented on the same page under distinct headings. Conversely, where processing relies on other legal grounds, data controllers should not request explicit consent in addition to fulfilling their obligation to inform.

The decision also highlights that privacy notices must be clear, concise and tailored to the specific processing activities of the data controller. Failure to comply may result in administrative sanctions.

 

DPA Publishes Guidance on the Use of Generative AI in the Workplace

The DPA has published guidance on the use of generative AI tools in the workplace, highlighting key risks and compliance considerations. The document notes that such tools are increasingly used across business processes, often without a clear corporate framework, which may lead to “shadow AI” practices-where employees use AI tools outside organizational control. This may limit visibility over data processing activities and create challenges in ensuring compliance.

The DPA identifies several risks associated with such use, including risks related to data security, unlawful disclosure of personal data and confidential information, and concerns regarding the reliability of outputs. It also warns that personal data shared with third-party AI tools may be processed unlawfully or accessed by unauthorized third parties. Rather than adopting restrictive approaches, the Authority encourages organizations to establish internal policies, raise employee awareness and ensure that the use of such tools complies with data protection obligations.

 

DPA Rules Against Public Display of Residents’ Debt Information

The DPA has issued a principle decision finding that posting residents’ debt information -such as unpaid maintenance fees- in common areas of apartment buildings constitutes unlawful disclosure of personal data.

While informing other residents may be justified in certain cases, the DPA emphasized that such practices cannot be justified when carried out through publicly accessible areas and fail to ensure data security. Instead, more restricted communication methods should be used.

 

DPA Deepens AI and Privacy Agenda with Three Seminars

The DPA hosted a Wednesday seminar on the intersection of AI law and data protection (11 March), an event titled “The 10th Year of Data Protection: A Future Perspective in Light of the GDPR” (14 March), and a seminar addressing the post-mortem protection of personal data (25 March). Taken together with the workplace AI guidance released on 5 March, the month’s activity signals a deliberate effort by the DPA to build regulatory and practitioner literacy ahead of anticipated legislative developments on AI governance in Türkiye.

 

Data Breach Notifications — March 2026

The DPA announced the following data breach notifications in March 2026:

Data Controller (and sector) Affected Data Subjects Affected Personal Data Categories Number of Data Subjects
Civil Mağazacılık A.Ş. Employees and customers o   Identity data (name, surname, TCKN)

o   Contact data (phone, email, postal address)

Approx. 4,500,000
Esea Sağlık ve Yatırım A.Ş. Employees and patients o   Identity data,

o   Contact data,

o   HR/Personnel data,

o   Financial data,

o   Health data

1,000

 

Garanti Finansal Kiralama A.Ş. Customers o   Customer identity and title data,

o   Customer number,

o   Equipment and transaction details,

o   Collateral data,

o   Financial performance and revenue data,

o   Credit scores,

o   Risk ratings,

o   Transaction volume,

5,664
Sentez Sağlık Hizmetleri A.Ş. (Healthcare) Employees and patients o   Identity data,

o   Contact data,

o   Location data,

o   HR/Personnel data,

o   Legal transaction data,

o   Financial data,

o   Professional experience data,

o   Marketing data,

o   Visual and audio records,

o   Health data

Not yet determined
Şikayetvar Bilişim A.Ş. Registered users of sikayetplus.com o   Identity data (name, surname, ID number),

o   Contact data (phone, email)

212,523
Baydöner Restoranları A.Ş. Users / customers o   Identity data (name, surname, TCKN),

o   Contact data (phone, email),

o   Application passwords,

o   Order and delivery details

1,490,789 records in system; exact number of affected individuals not yet determined
NSB Med. Sağ. Hiz. Tic. A.Ş. Patients o   Health data Not yet determined
Intuitive Surgical Operations Inc. Employees, users, customers, and patients (patient data pseudonymised; identification without additional data not possible) o   Identity data,

o   Contact data,

o   Location data,

o   Professional experience data,

o   Health data

1,885

 

Cordamed Biomedikal Mühendislik A.Ş. Employees, users, customers, and patients (patient data pseudonymised; identification without additional data not possible) o   Identity data,

o   Contact data,

o   Location data,

o   Professional experience data,

o   Health data

Not yet determined

 

İzelman Genel Hizmet Ticaret A.Ş. Employees (potential impact on other groups under investigation) o   Identity data,

o   Contact data,

o   Location data,

o   HR/Personnel data,

o   Legal transaction data,

o   Financial data,

o   Professional experience data,

o   Health data

o   Biometric data

o   Trade union membership data

10,000+ (estimated)

 

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