Privacy summary

• We store your school email only as a keyed hash, so we can count completions per college. Tandem Cyber holds the key.
• Your college receives counts only. It never receives your address or any list of names.
• If you enter a Challenge Coin drawing, your email is kept in plain text only so a winner can be contacted, and it is deleted on 30 November 2026.
• Cloudflare Turnstile is the only third-party script on these pages.
• All campaign data is deleted by 15 December 2026.

Full policy: docs/privacy.md in the campaign repository. Questions: ciso@tandemcyber.co.