Cookie Policy

Last updated: January 2026

1. What Are Cookies?

Cookies are small text files that are placed on your device when you visit a website. They are widely used to make websites work more efficiently and provide information to website owners.

This Cookie Policy explains how Signal Ltd ("we", "us", or "our") uses cookies and similar technologies on our website and safeguarding platform.

2. Types of Cookies We Use

2.1 Strictly Necessary Cookies

These cookies are essential for the operation of our Service. They enable core functionality such as authentication, security, and access to secure areas. The Service cannot function properly without these cookies.

Cookie NamePurposeDuration
auth_tokenAuthenticates user sessionsSession
csrf_tokenPrevents cross-site request forgerySession
tenant_idIdentifies your organizationSession

2.2 Functional Cookies

These cookies enable enhanced functionality and personalization, such as remembering your preferences and settings.

Cookie NamePurposeDuration
user_prefsStores user preferences and settings1 year
languageRemembers language preference1 year

2.3 Analytics Cookies

These cookies help us understand how visitors interact with our website by collecting and reporting information anonymously. We use this data to improve the Service.

Cookie NamePurposeDuration
_gaGoogle Analytics - distinguishes users2 years
_gidGoogle Analytics - distinguishes users24 hours

2.4 Marketing Cookies

These cookies track your visits across websites to display relevant advertisements. We only use marketing cookies with your explicit consent.

3. Third-Party Cookies

Some cookies are placed by third-party services that appear on our pages. We use the following third-party services:

  • Google Analytics: To analyze website usage and improve performance
  • Microsoft Azure: For authentication and cloud services

We do not control these third-party cookies. Please refer to the third parties' privacy policies for more information.

4. How to Control Cookies

You have the right to accept or reject cookies. You can control cookies through:

4.1 Browser Settings

Most web browsers allow you to control cookies through their settings. You can set your browser to:

  • Block all cookies
  • Accept only first-party cookies
  • Delete cookies when you close your browser
  • Notify you when a cookie is set

To learn how to manage cookies in your browser, visit:

4.2 Cookie Consent Tool

When you first visit our website, we display a cookie banner that allows you to accept or reject non-essential cookies. You can change your preferences at any time by clicking the "Cookie Settings" link in the footer.

5. Impact of Disabling Cookies

If you disable or reject cookies:

  • Some features of the Service may not function properly
  • You may need to re-enter login credentials more frequently
  • Your preferences and settings may not be saved
  • You may see less relevant content and advertisements

Note: Strictly necessary cookies cannot be disabled as they are essential for the Service to function.

6. Other Tracking Technologies

In addition to cookies, we may use other tracking technologies such as:

  • Web Beacons: Small graphic images (also called "pixel tags") embedded in emails or web pages to track user activity
  • Local Storage: Browser storage used to save data locally on your device
  • Session Storage: Temporary storage that is cleared when you close your browser

7. Updates to This Policy

We may update this Cookie Policy from time to time to reflect changes in our practices or for legal, regulatory, or operational reasons. We will notify you of material changes by posting the updated policy on this page with a new "Last updated" date.

8. Contact Us

If you have questions about our use of cookies, please contact us at:

Email: privacy@signal.com

Address: Signal Ltd, 123 Education Way, London, UK, EC1A 1BB

9. More Information

For more information about how we process your personal data, please see our Privacy Policy.

To learn more about cookies in general, visit www.allaboutcookies.org.