Private by design.
Last updated: October 2026. The Security Lab has no accounts, cookies, analytics or trackers. Challenges, the practice terminal and answer checking all run inside your browser.
Who is responsible
Anmol Sharma, Berlin, Germany · enquiries@sharmaanmol.com
Hosting and security (Cloudflare)
The site is delivered by Cloudflare, Inc. (CDN, DDoS and bot protection), which processes technical data such as your IP address and requested pages to deliver and protect it. Legal basis: Art. 6(1)(f) GDPR. Cloudflare is certified under the EU-US Data Privacy Framework.
Your progress
Solved challenges, hints, points and settings are stored only in your browser's local storage. They never leave your device; use "Reset progress" in the lab or clear your browser data to delete them.
Your rights
You have the rights under Art. 15–21 GDPR and may complain to a supervisory authority, e.g. the Berlin Commissioner for Data Protection and Freedom of Information.
Kurzfassung auf Deutsch
Keine Konten, Cookies, Analyse- oder Tracking-Dienste. Verantwortlich: Anmol Sharma, Berlin, enquiries@sharmaanmol.com. Auslieferung über Cloudflare (IP-Verarbeitung zur sicheren Bereitstellung, Art. 6 Abs. 1 lit. f DSGVO). Ihr Lernfortschritt wird ausschließlich lokal in Ihrem Browser gespeichert. Es gelten Ihre Rechte aus Art. 15–21 DSGVO.