Privacy Policy

Privacy Notice

The Laboratory for Telecommunication Sciences' website ( is provided as a public service by the National Security Agency. NSA is committed to protecting your privacy and will collect no personal information about you unless you choose to provide that information to us.

Browsing the Laboratory for Telecommunication Sciences' Web site

The contents of this Web site may be browsed anonymously. The Laboratory for Telecommunication Sciences' Web site automatically logs visitor information concerning the pages read, photographs viewed, and information downloaded for statistical purposes. This information does not identify you personally. The information gathered helps us to assess the content most interesting to visitors and to determine technical design specifications for identifying system performance issues. The following represents the types of information automatically collected and stored about your visit:

The Internet Domain and Internet Protocol (IP) address from which you access our Web site; The type of Internet browser and the operating system of the computer you use to access our site; The date and time you visit our site; The pages you visit on our site; If you linked to our Web site from another Web site, the address of that Web site; And, if you linked to our Web site from a search Web site, the address of the Web site and the search term you used.

Your Rights Under the Privacy Act

For information about your rights under the Privacy Act, please refer to the Defense Privacy and Civil Liberties Division website at

Site Security

For site security purposes and to ensure this service remains available to all users, NSA monitors network traffic to identify unauthorized attempts to upload or change information or to otherwise cause damage to the site.

Unauthorized attempts to upload information or change information on this service are strictly prohibited and may be punishable under the Computer Fraud and Abuse Act of 1986 and the National Information Infrastructure Protection Act.

Use of the National Security Agency Seal

In accordance with Section 15 of the NSA Act of 1959, as amended, (50 U.S.C. 402 note) no one may use, without permission from the NSA/CSS the words 'National Security Agency', 'Laboratory for Telecommunication Sciences', the initials, or seal of the National Security Agency in connection with any commercial activity or in a manner intended to convey the impression that such use is approved, or authorized by the National Security Agency.

Copyright Notice

Unless a copyright or trademark is indicated, information on the National Security Agency Web site is in the public domain and may be reproduced, published or otherwise used without the National Security Agency's permission. We request only that the National Security Agency be cited as the source of information and that any photo credits or bylines be similarly credited to the photographer or author or NSA, as appropriate.


A cookie is a text file placed on the hard drive of a computer by some Web pages or Web servers. Cookies cannot run programs or deliver viruses to your computer. Visitors can accept cookies or decline them through their browser settings. Persistent cookies remain on a computer's hard drive until the visitor deletes them. Session cookies are deleted automatically when the visitor closes his or her browser. The National Security Agency does not keep a database of information obtained from these cookies.