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LinkSentry— Privacy Policy

This privacy policy applies specifically to the product LinkSentry.

1. No Data Collection

LinkSentry does not collect, store, or transmit any personal data. All protection features run locally in your browser.

2. Blocklist Downloads

The extension downloads blocklists from public security feeds (phishing.army, openphish.com, urlhaus.abuse.ch). Your IP address is transmitted as part of standard HTTP requests.

3. Domain Checks

For domain age checks, public RDAP servers (rdap.org) and crt.sh are queried. Only the domain name is transmitted.

4. Payment Processing

Pro purchases are processed through ExtensionPay and Stripe. LinkSentry does not store any payment information.

5. Local Storage

Settings, statistics, and caches are stored exclusively in your browser (chrome.storage). This data never leaves your computer.

6. Cookies

LinkSentry does not read cookies. The cookies permission is used exclusively to delete cookies from suspicious domains at the user's explicit request.

7. Withdrawal

The right of withdrawal expires for digital content once the contract execution begins, provided the consumer has given prior consent (§ 356 Abs. 5 BGB).

8. Responsible Party

Tom Silas Helmke, c/o Online-Impressum #4746, Europaring 90, 53757 Sankt Augustin, Germany.

Email: tom.helmke10@gmail.com

Supervisory authority: LDI NRW, Düsseldorf.

9. Your Rights

You have the right to access, rectification, deletion, restriction, data portability, and objection regarding your personal data. Contact us via email.

Last updated: March 2026