Resources
Everything we know about protecting the data you cannot lose.
Plain guides to secure storage, vaults, crown-jewel data and the technology that protects it. No jargon, no scare tactics.
Start here
The core ideas behind Citadel, in the order they usually make sense.
Storage guides
Practical explanations of the storage decisions behind protecting critical data.
Secure cloud storage
What it means and where Citadel fits.
ReadSecure file storage
Day-to-day use of a private vault.
ReadSecure backup and archive
Records that must last a decade.
ReadEnterprise secure storage
Adoption alongside existing platforms.
ReadMulti-cloud storage security
Distribution as a security property.
ReadCyber-resilient storage
Designing for the day after.
ReadRansomware and storage
How attacks reach drives and backups.
ReadThe technology
How Secured2 protects data differently from key-based encryption.
Comparisons
Where mainstream platforms end and a vault begins.
Citadel vs Dropbox
Productivity compared with protection.
ReadCitadel vs Box
Content management compared with a vault.
ReadCitadel vs Google Drive
Working files compared with crown jewels.
ReadCitadel vs OneDrive
Sync compared with containment.
ReadCitadel vs Proton Drive
Zero-knowledge compared with keyless.
ReadCitadel vs Tresorit
Encrypted collaboration compared with a vault.
ReadCitadel by Secured2
Protect what matters most.
Citadel is accepted by a limited number of organisations each quarter. Review the plans and start with the files you cannot afford to lose.