Cookie Policy
Last updated 15 October 2026
What Are Cookies
Cookies are small text files that are stored on your device when you visit a website. They are widely used to make websites work efficiently, provide information to website owners, and improve the user experience.
How Cyntra24 Uses Cookies
Cyntra24 uses only cookies that the Service needs to work.
Sign-in cookies: if you sign in with your phone number, our authentication provider (Supabase) sets cookies that keep you signed in. They are removed when you sign out.
Admin cookie: staff who sign in to the admin area receive a secure cookie that expires after 12 hours.
We do not use:
Advertising or tracking cookies
Third-party analytics cookies
Social media tracking cookies
Profiling or behavioural targeting cookies
Local Storage
We use your browser's local storage to remember things on this device only:
Your light or dark theme
Your progress on the security check and backup checklists, and the date of your last backup
Your call history in the Call Checker
In the demo version, your Family Circle
Local storage stays on your device. It is not sent to our servers. You can clear it in your browser settings.
Third-Party Cookies
Cyntra24 does not embed third-party services that set cookies. Our scanning, AI and messaging providers are called from our servers and do not interact with your browser.
If we add third-party integrations in future that require cookies, we will update this policy and request your consent before any non-essential cookies are set.
Managing Cookies
You can control cookies through your browser settings. Most browsers allow you to:
View what cookies are stored and delete them individually
Block third-party cookies
Block all cookies from specific sites
Block all cookies
Delete all cookies when you close the browser
Note that blocking essential cookies may prevent the Service from functioning correctly.
For instructions on managing cookies in your browser:
Chrome: Settings > Privacy and Security > Cookies
Firefox: Settings > Privacy & Security > Cookies
Safari: Preferences > Privacy > Cookies
Edge: Settings > Privacy > Cookies
Changes to This Policy
We may update this Cookie Policy from time to time. Changes will be posted on this page with an updated "Last updated" date. If we introduce non-essential cookies, we will implement a cookie consent mechanism before they are set.
Contact
If you have questions about our use of cookies, contact us at:
Email: support@cyntra24.com