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Cellular Defense — encrypted documents the server cannot read

This site was found by StackScope Discovery, our own first-party launch detection. The tech stack below comes from that discovery scan; the full analysis (screenshots, scores, page checks) is added when the site is picked up by a launch platform.

Cellular Defense seals a document into a .cell envelope in your browser. The server stores ciphertext and nothing else — not the file, not its name, not its type. Open format, independently verifiable.

Developer Tools

Added August 30, 2026 · Last analysed August 30, 2026 · via StackScope Discovery

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StackScope records what new websites are built with, the week they launch. Most we find ourselves, by watching public internet infrastructure for brand-new sites; the rest come from Product Hunt, Hacker News and PeerPush. We crawled this one to detect its tech stack. This page is what we saw on 30 August 2026; the live site may have changed since.

Every technology below links to its own page: which other new sites launched with it. Vendors and agencies watch those pages with Stackdar and hear about new adopters the week they ship, from £15 a month.

Tech Stack (3)

Infrastructure
DNS Spaceship DNS
Security HSTS
Email
Transactional email Maileroo (2)

Security Headers (6/6)

✓
Strict-Transport-Security
✓
Content-Security-Policy
✓
X-Frame-Options
✓
X-Content-Type-Options
✓
Referrer-Policy
✓
Permissions-Policy experimental (check browser support)
–
X-XSS-Protection deprecated (use Content-Security-Policy)
Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.