A cookie is a data file that websites store on your computer, so that they can recognize your computer the next time you visit the website.
Cookies are sent back and forth between your browser and a Web server and contains information such as:
Contents of shopping basket
If a user is logged in
Usage of the website
A cookie file is passive and cannot spread computer viruses or other malicious programs. Often they help analyze how the website is used, to improve the user experience. In several cases, cookies may be necessary to provide a service.
Cookies are usually automatically deleted from the browser when it is closed (so-called session cookies). Cookies can also be set with an expiration time, so that data exists for a shorter or longer period (persistent cookies). Persistent cookies are usually stored on the hard disk.
Furthermore, a distinction is usually made between first party cookies and third party cookies. First Party Cookies are set by the page the user visits. Third Party Cookies are set by a third party, which has elements embedded on the page the user visits.
Cookies from Google Analytics
At heimdalsecurity.com we use Google Analytics to analyze how users use the site. The information collected by the cookie about your use (traffic data, including your IP address), is transmitted to and stored on Google servers in the U.S. Google uses this information to evaluate your use of the website, compiling reports on website activity and providing other services relating to website activity and internet usage. Google may also transfer this information to third parties if required by law, or if third parties process the information on Google's behalf.
Google Analytics allows two types of cookies: a persistent cookie that indicates whether the user is recurrent, where the user comes from, which search engine where used, keywords, etc. Session Cookies, which are used to show when and how long a user is on the site. Session cookies expire after each session, ie when you close your tab or browser. Google does not match your IP address with other data Google holds.
If you wish not to receive cookies from heimdalsecurity.com, you can, in most new browsers, select advanced cookie settings under Internet options and add this domain to the list of websites you want to block cookies from.
If you do not want your visit to be recorded by Google Analytics, you can take advantage of Google’s Opt-Out Browser Add-on. Be aware that your visits to other sites that use Google Analytics, nor will be registered, if you install this browser plugin.
See also these guides for the most common browsers:
Instructions for deleting cookies in Microsoft Internet Explorer
Guide to delete cookies in Mozilla Firefox browser
Guide to delete cookies on the Google Chrome browser
Guide to delete flash cookies (for all browsers)
Why do Heimdsecurity.com inform about this?
Cookies are used to collect data on Internet users' behavior. Although this is usually done to give the user a better experience or are technically necessary to use a solution, the user should be informed that it happens and be able to prevent this from happening in future.
Most EU sites are soon obliged to inform about cookies set on the users' equipment. Information must be in accordance with "Notice of requirements for information and consent for storing and accessing information in end-user terminal equipment", which is part of an EU directive on the protection of privacy in electronic communications.