Klein 4 is redefining data security at the physical layer, protecting the most valuable asset of every SME.
Security from First Principles
News
17.02.2026: Pilot Series Now Open
Applications are currently being accepted for the initial deployment phase.
Hardware Enforced Data Loss Prevention
We control information flow at the physical layer.
No virtual isolation.
No software assumptions.
No untedected compromise.
K4 Next Generation NAS
Our out of the box solution provides enterprise-grade security tailored to SMEs.
Automated cold backups.
Innovative air-gap mechanism.
Guaranteed Business Continuity.
Customer - Partner - Supporter
