1. Introduction
This Privacy Policy (the "Policy") describes how Viseratek Joint Stock Company ("Viseratek", "we", "us") collects, uses, stores, shares and protects your personal data when you visit the Viseratek website or use our services.
This Policy is based on the applicable laws of Vietnam, including:
- Law on Personal Data Protection No. 91/2025/QH15 (effective from 01 January 2026);
- Decree No. 13/2023/ND-CP dated 17 April 2023 of the Government on personal data protection;
- Law on Cybersecurity No. 24/2018/QH14;
- Law on Electronic Transactions No. 20/2023/QH15;
- Other relevant legal documents.
2. Personal data we collect
2.1. Data you provide directly
- Identity and contact information: full name, job title, organization/company name, phone number, email address, contact address — when you request consulting, a quote, or communicate with us;
- Communication content: information in emails, messages, calls or documents you send us while exploring or using our services.
2.2. Data collected automatically
- Technical data: IP address, browser type, operating system, device type, language;
- Browsing behavior data: pages viewed, visit time, traffic source — via cookies and similar technologies (see details in our Cookie Policy).
We do not intentionally collect sensitive personal data (such as political or religious views, health status, biometric data) through this website. Please do not send us such data unless expressly requested and appropriate protection measures have been agreed in writing.
3. Purposes and legal bases for processing
We process your personal data for the following purposes:
- Receiving and responding to contact, consulting and quotation requests;
- Entering into and performing service contracts between you (or your organization) and Viseratek;
- Operating, maintaining and improving the website and service quality;
- Sending information about services, events or professional content with your consent;
- Complying with legal obligations and requests from competent state authorities;
- Protecting Viseratek's legitimate rights and interests, including fraud prevention and system security.
Processing is based on your consent, the need to perform a contract, our legal obligations, or other cases permitted by law. If the processing purpose changes, we will notify you and obtain your consent as required.
4. Sharing personal data
We do not sell your personal data. Data is only shared in the following cases:
- Processors acting on our behalf: infrastructure, hosting, email and analytics providers — under contracts with data protection clauses and only to the extent necessary;
- Competent state authorities: upon lawful requests in accordance with the law;
- Professional advisors: lawyers and auditors, to the extent necessary and bound by confidentiality obligations;
- Other cases: with your explicit consent.
5. Cross-border data transfers
Where personal data is stored or processed on infrastructure located outside Vietnam (e.g. international cloud services), we will carry out the required cross-border transfer impact assessment procedures and related obligations under Vietnam's personal data protection laws, and apply commensurate safeguards.
6. Retention period
Personal data is retained for as long as necessary to fulfil the processing purposes stated in this Policy, or for the period required by law (e.g. accounting document and contract retention obligations). When the retention period expires or the processing purpose no longer exists, data will be deleted or anonymized, unless otherwise required by law.
7. Data protection measures
- Encrypted transport (HTTPS/TLS) for the entire website;
- Access control on a need-to-know basis; only staff with relevant duties may access data;
- Appropriate technical and organizational measures to prevent unauthorized access, modification, disclosure or destruction of data;
- Periodic review and assessment of information security measures.
In the event of a personal data protection violation, we will notify the competent authority and the data subjects in accordance with the procedures and timelines required by law.
8. Data subject rights
Under Vietnam's personal data protection laws, you have the following rights:
- Right to be informed about the processing of your personal data;
- Right to consent or withhold consent to processing;
- Right of access to view and request correction of your data;
- Right to withdraw consent previously given;
- Right to deletion or to request deletion of your data;
- Right to restrict processing of your data;
- Right to be provided with a copy of your personal data;
- Right to object to processing;
- Right to complain, denounce and initiate lawsuits in accordance with the law;
- Right to claim damages for violations causing harm;
- Right to self-protection under civil law and related laws.
To exercise these rights, please send your request to developer@viseratek.com. We will verify your identity and respond within the time limits required by law. The exercise of rights may be limited in certain cases prescribed by law (e.g. data subject to statutory retention obligations).
9. Children's personal data
Viseratek's website and services are intended for business customers and are not directed at children. We do not intentionally collect children's personal data. If we discover that we have collected a child's data without valid consent as required by law, we will delete that data as soon as possible.
10. Cookies and similar technologies
Details about the types of cookies we use, their purposes and how to manage them are set out in our Cookie Policy.
11. Updates to this Policy
We may update this Policy to reflect changes in our data processing activities or legal requirements. The new version will be published on this page with its update date. For significant changes affecting your rights, we will notify you by appropriate means.
12. Data protection contact
- Data controller: Viseratek Joint Stock Company
- Address: Lot 18 - TT2, Thach Ban Residential Area, Long Bien Ward, Hanoi, Vietnam
- Phone: +84 966 980 841
- Email for personal data requests: developer@viseratek.com