Legal Advice

USAGE CONDITIONS FOR THE WEB is a domain in the Internet belonging to the National Criptologyc Centre (Centro Criptológico Nacional) (hereinafter the CCN), with Spanish VAT number S-2800155-J, the entity's registered office is C/Argentona 30, 28023 Madrid - Spain. Telephone (+34) 91 372 50 00. E-mail address 

This Portal is optimized for the Internt Explorer v7, and Firefox v web browsers. The minimum resolution required is 1024x768.


The CCN informs you that access and use of the web together with all the sub-domains and directories it embraces (hereinafter jointly called "the Portal") , along with the services or contents which can be obtained from it, are subject to the terms established in this Legal Advice. Without prejudice to requiring the acceptance of any other type of conditions which will be previously shown in order to access to any of the aforementioned services or contents.

Therefore, if you do not agree with the conditions established within this Legal Advice, we beg you not to use the Portal, as any use of it or of the services and contents included in it, will imply your acceptance, without reservations, of the legal terms established within this Legal Advice.

The CCN reserves the right to make changes in the Portal without previous notice, in order to update, correct, modify, add or remove the contents of the Portal or of its design. Likewise, the terms and conditions which are included in the present Legal Advice may vary, and therefore, you must check and read these terms each time you visit the Portal.


In the event that links or hyperlinks to other Internet sites are placed in the web, the CCN will not exert any control over those sites and contents. The user assumes under his/her own responsibility the consequences, damages and actions which could arise from accessing the web of the hyperlink.

Under no circumstance the CCN will assume the responsibility for any of the contents of any link belonging to other's web sites. Not guaranteeing therefore, the quality, accessibility, reliability, accuracy, veracity and legality of any type of material or information included in these webs.

In any case, there not exist any type of association between the CCN web and linked external pages.


The CCN is the holder of the web, and the domain.

The present site web, and its contents (including data bases, text files, audio, video and software), designs and services are the property of the CCN, therefore, they are under its control, and protected, without limitations, by the Spanish legislation on industrial and intellectual property, and by the different international applicable treaties. Likewise, the CCN is holder of any distinctive sign, brand, logo, etc. of the CCN and the CCN-CERT which may be placed at the web, and which is, therefore, duly registered.

Its use, total or partial reproduction, distribution, public communication, including the total or partial disposal of either all or part of the contents of the web page, the variation, translation, adaptation or any other activity similar or analogous, is totally prohibited unless previous written authorization from the CCN is provided. The license of usage for any content in this Portal which is granted to the user is limited to the download of the said content by the user and to the private use of it, provided the said contents are kept in its entirety.


Our web uses cookies.

The cookies are data files which are generated at the user computer. These cookies allow us to obtain some information about the user: date and hour of his/her last visit; the country and origin selected by him/her, all in view of a future presentation of the web in accordance to his/her geographical origin. The cookies also allow us to obtain information about the security elements taking part in the access control to the restricted areas.

The user has the option to stop the cookies generation, selecting the corresponding option in his/her browser program. If the user of the Portal does not want to accept the record of the cookie in his/her computer, he/she can surf the web Portal without any type of restrictions.


The CCN reserves the right to deny discretionarily to any user, at any moment and without previous notice, access to this web or any part of it.


The relationship between the CCN and the user will be subject to the Spanish regulations in force, irrespective of the user's legal environment. The resolution of any controversy which may arise from the web's visit, or from the use of the services offered in it, will be subject to the Courts of the city of Madrid.