KVKK Website Compliance: Data and Security Planning

KVKK website compliance starts with understanding what happens when a visitor shares personal data, such as a name, email address or phone number, through your contact form. A website subject to Turkey’s Personal Data Protection Law (KVKK) needs more than a privacy page. Law No. 6698 can apply to small business sites and ecommerce platforms as well as large organizations, depending on their processing activities. Noncompliance can lead to administrative penalties. This guide concerns the Turkish legal framework; KVKK compliance is not interchangeable with GDPR or compliance in other countries.

We review the main components of a website data-protection plan: privacy notices, explicit consent, cookie controls, security measures and ecommerce-specific requirements. A practical checklist at the end can help you identify work to discuss with your legal adviser and development team.

Important: This article provides general information, not legal advice or a compliance certification. Ask a qualified legal adviser or data-protection specialist to assess the requirements for your website and organization.

What does KVKK website compliance mean?

A website designed for KVKK compliance processes, retains and protects personal data in line with the applicable legal principles. Two central ideas are transparency and accountability. People should receive understandable information about what data is collected, why it is needed, how long it is retained and who receives it.

The law requires lawful, purpose-specific and proportionate processing. Asking for a person’s blood type to subscribe to a newsletter, for example, would not be proportionate to that purpose. Compliance is an ongoing process rather than a one-time installation. Review the arrangements when legal requirements change or new data collection points are added.

Privacy notices: the first step toward transparency

A privacy notice explains your processing as the data controller and supports the statutory obligation to inform. Make it easy to access before personal data is collected. Relevant information includes:

• The controller’s identity: The legal entity name and appropriate contact details.
• Processing purposes: Why the data is collected, such as order fulfillment, handling inquiries or marketing.
• Recipients and transfer purposes: Relevant third parties, such as shipping carriers, payment providers or email services.
• Collection methods and legal grounds: The relevant forms, cookies or account processes and the lawful basis for processing.
• Data subject rights: The rights available under the applicable KVKK provisions and how to exercise them.

Place the notice where it can be reached throughout the website, especially near forms. In a business website design project, footer links and form-specific notices can be included in the technical scope. Their wording must reflect the actual processing, not simply a generic template.

Explicit consent: when is it needed?

Explicit consent is often misunderstood. It is not the only legal ground for processing under KVKK. Data genuinely necessary for performing a contract, such as a delivery address for an order, may be processed on that ground rather than relying on consent. The correct legal basis must be assessed for each purpose.

Consent is particularly relevant to activities such as marketing and commercial electronic messages, where the applicable rules require it. Valid explicit consent must concern a specific subject, be informed and be freely given. Do not use preselected consent boxes; the person must make an active choice. Commercial messaging rules also need a separate assessment.

Situation	Is explicit consent required?	Potential legal ground
Address needed to deliver an order	Generally not, if necessary for the contract	Performance of a contract
Marketing email	Generally required, subject to applicable rules and exceptions	Consent and the relevant commercial messaging requirements
Legally required invoice records	Generally not for the required retention	Legal obligation
Nonessential profiling cookies	Generally required where no other lawful ground applies	Explicit consent

Cookie policies and consent controls

Cookies can support recognition, functionality and personalization. Cookies and similar tools used for analytics, advertising or social tracking may process personal data and require consent where no other lawful condition applies. A suitable website setup should include two connected components:

1. A cookie policy: Explain the actual cookies, their purposes, providers and durations.
2. Cookie preference controls: Let visitors accept or reject optional cookies and manage their preferences.

“Reject” should be as visible and accessible as “Accept.” A banner with only an acceptance button may fail to provide a freely given choice. Strictly necessary cookies should be explained accurately rather than presented as optional. Save preferences, allow people to change them and ensure the controls actually govern whether the relevant tools load.

Data security: technical and organizational measures

Clear notices are not enough; protecting the collected data is also a responsibility. KVKK requires appropriate technical and organizational measures to provide a suitable level of security. This involves both the software and the organization’s operating procedures.

• TLS and HTTPS: Encrypt data in transit across the website.
• Access controls: Limit personal data access to authorized staff according to their roles.
• Software updates: Keep the CMS, plugins and server software maintained against known vulnerabilities.
• Backups: Maintain appropriate encrypted backups to support recovery from data loss or ransomware.
• Data minimization: Do not collect unnecessary data, and delete data when its justified retention period ends.
• Incident response: Prepare the process for assessing a breach and making required notifications to the Turkish Personal Data Protection Board and affected individuals.

A maintained codebase that can be reviewed helps support ongoing security work. Source code access alone does not establish security or legal compliance; responsibility for updates and operating controls must remain clear.

KVKK and ecommerce: additional considerations

Ecommerce sites handle larger volumes and varied categories of personal data, including names, addresses, phone numbers and order histories, sometimes alongside payment-related information. In addition to privacy notices and cookie controls, assess the following:

• Separate account creation from marketing consent: Do not combine membership and optional marketing in a single mandatory checkbox.
• Commercial message permissions: Assess applicable consent and registration requirements in Turkey’s Message Management System, IYS, for SMS and email campaigns.
• Payment data security: Use an appropriately authorized payment provider and avoid storing card details in the website’s own application.
• Retention periods: Retain order and invoice records for applicable legal periods and remove data when there is no longer a lawful reason to keep it.

Include these requirements in the scope of your ecommerce solution rather than treating compliance as a ready-made feature. Technical tools can support the agreed data-protection measures, but they do not replace a legal assessment or the business’s own procedures.

A practical KVKK website review checklist

Use these questions to identify gaps in the current website. Completing the list is useful preparation for a professional review, not proof that every legal requirement has been met:

• Is an accessible privacy notice published?
• Do all data-collecting forms link to the relevant notice?
• Where consent is needed, is it requested separately without preselected boxes?
• Does the cookie policy describe the tools actually in use?
• Is the cookie rejection option visible and usable?
• Is HTTPS active throughout the website?
• Is access to personal data restricted according to authorization?
• Are appropriate encrypted backups maintained?
• Is there a contact channel for data subject requests?
• For ecommerce, are applicable IYS and commercial messaging permissions managed?

Does a small promotional website need to consider KVKK?

Website size does not decide whether the law applies. If a contact form or cookie processes personal data within KVKK’s scope, the relevant obligations need to be assessed. Even a one-page site may need a privacy notice and appropriate cookie information and controls.

Is a privacy notice the same as a consent statement?

No. A privacy notice provides required information; it is not itself a request for permission. Explicit consent is an active choice used where processing relies on consent. Keep the information obligation and consent mechanism distinct.

Does a theme or software platform automatically provide compliance?

No. A platform may supply useful tools such as cookie controls and notice fields, but the organization must configure them for its actual processing and keep them current. The software supports the work; it cannot establish compliance on its own.

What happens if I do not obtain cookie consent?

Running cookies that require consent without obtaining it may breach the applicable data-protection requirements and lead to complaints or administrative sanctions. Where consent is the legal basis, block the relevant analytics or advertising tools until it is given. Assess the actual tools rather than relying only on the banner wording.

Plan the work and keep it under review

KVKK website compliance requires a coordinated approach to information, lawful processing, cookie controls and security. Planning these areas together can improve transparency and reduce avoidable risks, but it cannot guarantee protection from penalties. Define the requirements from the start and review them as the website and business change. Adding a notice does not automatically make a processing activity lawful. Inventory form fields, the services receiving the data and retention periods together. Do not present technical changes as a separate guarantee of compliance without the necessary legal assessment.

If you want to build a website with the technical controls identified by your data-protection review, request a project proposal to discuss the implementation scope with HazırSoft.

Keep the legal assessment and technical implementation connected as forms, providers, and retention needs change.