Corporate Email Monitoring in Türkiye: KVKK Decision 2026/2035 and Employer Obligations

The Turkish Personal Data Protection Board’s (KVKK) Principle Decision No. 2026/2035, dated 16 September 2026, entered into force upon its publication in the Official Gazette on 8 October 2026. The decision sets out, in 16 articles, the procedures and principles that employers must follow when monitoring corporate email accounts and all other communication channels used to carry out business. This article explains the scope of the decision, its practical consequences for organizations, and the steps required for compliance.

What does the decision regulate?

The decision strikes a balance between the employer’s right to manage and the employee’s right to privacy and confidentiality of communication. The core message is clear: the fact that a corporate communication tool belongs to the employer does not grant unlimited authority to monitor it. Owning the email account assigned to an employee cannot be interpreted as a right to freely access its content.

The Board treats activities such as monitoring corporate email and communication channels, accessing message content, examining traffic and log records, filtering and routine auditing as personal data processing under Law No. 6698 on the Protection of Personal Data. These activities are therefore subject to the general principles in Article 4 and the processing conditions in Article 5 of the Law.

Not only email: a broad scope

The decision is not limited to corporate email accounts. Depending on the specifics of each case, the following channels used for business purposes may also be subject to monitoring:

• Internal messaging and instant communication applications (Microsoft Teams, Slack, corporate WhatsApp, etc.)
• Customer relationship and request management systems (CRM, help desk)
• Chat and recording areas on meeting platforms
• Devices, sessions and corporate network systems assigned by the employer

There is also an important boundary: the employer having technical authority over a device, session or network does not mean it may freely access the employee’s personal email account, personal instant messaging application or social media inbox.

Four core principles employers must follow

1. Prior, clear and understandable notice

Before any monitoring takes place, the employee must be clearly informed about the purpose, legal basis, scope, method, retention period of the monitoring and their rights. The Board specifically stresses that a general and abstract statement such as “corporate email accounts may be monitored” is not sufficient.

2. Technical access is not legal authority to inspect

One of the decision’s most critical distinctions: the fact that the IT department can technically access a mailbox does not mean it has the legal authority to inspect those messages. Technical access and legal access are assessed separately.

3. Proportionality and least intrusive means

Monitoring must rest on a legitimate purpose and be connected to and proportionate with that purpose. If the employer can reach its goal without reading email content — for example, through log records or subject lines alone — accessing the content should be avoided. Accessing message content is regarded as a far more serious intrusion than reviewing traffic or log data.

4. Protection of personal correspondence

If, during monitoring, the employee’s personal account or a message that is clearly private in nature is encountered, the examination must stop immediately; such data must not be copied or recorded. Furthermore, personal data obtained must not be retained longer than necessary for the purpose of processing.

What happens to the corporate email account after employment ends?

The decision states that the legal basis for processing data related to a former employee’s corporate email account must be assessed separately after the employment relationship ends. Keeping the account open indefinitely, reading incoming messages, or forwarding the account to someone else each requires its own legal basis.

A compliance checklist

Every organization that assigns corporate email, devices or messaging applications to its employees should review the following steps:

• Update your policies: Bring your “IT and Communication Tools Usage Policy” and your “Employee Privacy Notice” into full alignment with the 16-article Principle Decision.
• Obtain written notice: Have employees sign a personalized, written or electronic notice describing in what circumstances and how monitoring will be carried out.
• Instruct your IT team: Establish a binding procedure that email content is not scanned and backups are not opened without prior notice and legal approval.
• Apply a proportionality test: Before each audit, assess whether the purpose can be reached without reading the content.
• Define the offboarding process: Set a clear procedure for when a departing employee’s corporate account will be closed, forwarded or archived.

The two-way risk of non-compliance

Failure to follow these rules creates a two-way risk. Email data obtained without prior notice and beyond the limits of proportionality may, on one hand, trigger an administrative fine under KVKK, and on the other hand be treated as “unlawfully obtained evidence” and rendered invalid in employment disputes (reinstatement, termination for cause, compensation). In other words, an improperly collected email creates penalty exposure and is of no use to the employer in court.

A compliant infrastructure with MTDE Tech

At MTDE Tech, we address organizations’ information technology infrastructure together with KVKK compliance. We handle the technical side of corporate email and communication policies — correctly configuring access permissions, managing log and audit records in line with the legislation, securely closing the accounts of departing employees, and properly maintaining audit trails in the Microsoft 365 environment. To approach your KVKK compliance processes from both the legal and technical sides, get in touch with us.

Source: Principle Decision No. 2026/2035 of the Turkish Personal Data Protection Board, dated 16.09.2026 — Official Gazette No. 33393, dated 08.10.2026. This article is for general information purposes only and does not constitute legal advice.