Cookie Policy

Last Revised: 2023-01-06

1. Overview

Like many online services, we use cookies and other technologies to collect and analyze information about you and your usage of our Sites and the Sigma Service. We also use these technologies to test, analyze, deliver, and personalize our content and the experiences you receive.

Cookies are small data files that we store on your computer or device. You can find out more about cookies by visiting If you are located in the European Union you may use the resources at

2. What cookies do we use?

We use various types of cookies on our Site and our Service, including:

  • Session cookies, which disappear when you log out and close your browser;
  • Persistent cookies, which stay on your device until you or your browser deletes them or until they expire;
  • First-party cookies, which are associated with the domain you are visiting; and
  • Third-party cookies, which are associated with a different domain other than the one you are visiting.

Some cookies are associated with your account. Other cookies are not tied to your account but are set on a browser or device. You can see a list of these types of cookies at the bottom of this policy.

Besides the cookies listed below, we, our service providers, and/or our third-party advertisers and analytics partners may also use other standard technologies, such as web beacons, web bugs, clear gifs, local storage objects (such as HTML5 and Flash) and scripts. These help provide the functionality described in this policy.


We use cookies in a variety of ways, including as follows:

  • Authentication. If you’re signed in to your account, cookies help us keep you logged in, show you the right information and personalize your experience.
  • Security. We may use cookies to enable and support our security features, and to help us detect malicious activity.
  • Storing preferences and supporting additional features and functionalities. Cookies can help you fill out forms on our Sites and our Services more easily. They also support additional features and functionality on our Sites and our Services.
  • Performance, Analytics and Personalization. Cookies help us learn how well our Sites and our Services perform, allow us to analyze use of our Sites and our Services, and personalize content and experiences delivered to you. We also use cookies to understand, improve, develop and research products, features and services, to collect usage, viewing, logs, and technical information about you (such as event data), and to create logs and record when you access our Sites and our Services from different devices, such as your work computer or your mobile device.
  • Marketing. We may use cookies to help us deliver marketing or ad campaigns and to track their performance. Similarly, we and/or our advertising partners may use cookies to help gather information about your activities on our Site and other sites in order to provide you advertising based upon your browsing activities and interests, both on our Site and on third-party websites. We may receive reports based on the use of cookies on an individual as well as an aggregated basis. Please note that our Privacy Policy does not apply to, and we cannot control the activities of, third-party ad servers and ad networks.
  • As described in our Privacy Policy. We use cookies (and the resulting data) for the uses described in our Privacy Policy.