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This privacy statement was last updated on 5. 6. 2023 and applies to citizens and legal permanent residents of the European Economic Area and Switzerland.

In this privacy statement, we explain what we do with the data we obtain about you via We recommend you carefully read this statement. In our processing we comply with the requirements of privacy legislation. That means, among other things, that:

  • we clearly state the purposes for which we process personal data. We do this by means of this privacy statement;
  • we aim to limit our collection of personal data to only the personal data required for legitimate purposes;
  • we first request your explicit consent to process your personal data in cases requiring your consent;
  • we take appropriate security measures to protect your personal data and also require this from parties that process personal data on our behalf;
  • we respect your right to access your personal data or have it corrected or deleted, at your request.

If you have any questions, or want to know exactly what data we keep of you, please contact us.

1. Purpose, data and retention period

We may collect or receive personal information for a number of purposes connected with our business operations which may include the following: (click to expand)

2. Cookies

Our website uses cookies. For more information about cookies, please refer to our Cookie Policy

3. Disclosure practices

We disclose personal information if we are required by law or by a court order, in response to a law enforcement agency, to the extent permitted under other provisions of law, to provide information, or for an investigation on a matter related to public safety.

If our website or organisation is taken over, sold, or involved in a merger or acquisition, your details may be disclosed to our advisers and any prospective purchasers and will be passed on to the new owners.

We have concluded a data Processing Agreement with Google.

Google may not use the data for any other Google services.

The inclusion of full IP addresses is blocked by us.

4. Security

We are committed to the security of personal data. We take appropriate security measures to limit abuse of and unauthorized access to personal data. This ensures that only the necessary persons have access to your data, that access to the data is protected, and that our security measures are regularly reviewed.

5. Third-party websites

This privacy statement does not apply to third-party websites connected by links on our website. We cannot guarantee that these third parties handle your personal data in a reliable or secure manner. We recommend you read the privacy statements of these websites prior to making use of these websites.

6. Amendments to this privacy statement

We reserve the right to make amendments to this privacy statement. It is recommended that you consult this privacy statement regularly in order to be aware of any changes. In addition, we will actively inform you wherever possible.

7. Accessing and modifying your data

If you have any questions or want to know which personal data we have about you, please contact us. You can contact us by using the information below. You have the following rights:

  • You have the right to know why your personal data is needed, what will happen to it, and how long it will be retained for.
  • Right of access: You have the right to access your personal data that is known to us.
  • Right to rectification: you have the right to supplement, correct, have deleted or blocked your personal data whenever you wish.
  • If you give us your consent to process your data, you have the right to revoke that consent and to have your personal data deleted.
  • Right to transfer your data: you have the right to request all your personal data from the controller and transfer it in its entirety to another controller.
  • Right to object: you may object to the processing of your data. We comply with this, unless there are justified grounds for processing.

Please make sure to always clearly state who you are, so that we can be certain that we do not modify or delete any data of the wrong person.

8. Submitting a complaint

If you are not satisfied with the way in which we handle (a complaint about) the processing of your personal data, you have the right to submit a complaint to the Data Protection Authority.

9. Contact details

Markzoom s.r.o.
Italská 438/36
130 00 Praha 3
Czech Republic
Email: ue.moozkram@ofni



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Space protection

Personal protection



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About us

People in our company have 25 years of experience in the protection of acoustic data. Our goal is to maximize the efficiency of our products by continuously developing and testing new devices on the market in the area of wiretapping. Our unique technology is developed by top experts, making sure the parameters of our equipment are viable in worldwide scale.



DYN TEDES s.r.o.
Moskevská 86
110 00 Praha 10

Českolipská 400/20
190 00 Praha 9

PAKD group

PAKD group s.r.o.
Dlouhá 33
Kladno, 272 01

+420 602 306 799

Security management

Security management s.r.o.
Černokostelecká 1367/29
100 00 Praha 10

+420 734 103 424

Caleum a.s.

Caleum a.s.
Italská 438/36
130 00 Praha 3

+420 724 738 111

Would you like to
receive an offer or
just ask a question?

Italská 438/36
130 00 Prague 3
Czech Republic
m: +420 225 992 271

CIN: 29144141
VAT ID: CZ29144141

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