Sentinel decides who, on which device, and to what extent can run a protected application or device - cryptographically unforgeable, offline-first, with a full audit trail of every operation.
Trusted by
Problems solved
How do I know this license is genuine?
Sentinel signs every license with a unique cryptographic key. Forgery is computationally infeasible. The server rejects any request that fails verification.
How do I bill licenses when a key circulates between people?
The license is bound to a device and a seat count. The system enforces the session limit and automatically evicts excess sessions.
What if your client goes offline in a critical moment?
Sentinel is offline-first. A 7-day grace period plus a break-glass mode for production lines, remote infrastructure, or critical operations.
Who did what, and when, with this license?
An immutable log of every operation: activation, revocation, key rotation, break-glass - with actor, IP, and full context.
Architecture
Every license request is confidential, single-use, and cryptographically bound to a specific device - impossible to forge or intercept.
Features
One system handles it all - Windows/macOS/Linux desktop apps and IoT devices, from a single site to an entire enterprise fleet.
Integrations
Sentinel connects to the manufacturer's sales systems, CRM, and IT infrastructure - without lengthy rollouts.
Why Sentinel
| Challenge | Standard approach | Sentinel |
|---|---|---|
| License authenticity | Text key / serial - easy to copy | Cryptographic signature - computationally impossible to forge |
| Communication confidentiality | Network-level encryption only | End-to-end encryption of every message with an integrity signature |
| Protection against interception | No protection | Every operation is single-use - an intercepted request is useless |
| Offline operation | The application stops working | Offline-first + grace period + emergency codes |
| Protection of protected files | Key embedded in the app - vulnerable to extraction | Key generated per session, never stored |
| Audit trail | Plain application logs - editable | Immutable log of 60+ operations with full context |
| Key rotation | Downtime / reinstall at the customer's site | Automatic background rotation, zero downtime |
| Managing product features | Requires a new software release | Turn features on and off without an app update |
| Customer-driven license transfer | Contacting support | Self-service portal - 3 clicks, no waiting |
Segments
From a small team to a large enterprise - Sentinel adapts to your organization's structure.
Sentinel activates in 2 minutes on a desktop seat. Migration from hardware keys - assisted by our team.
or write to us directly: hello@sentinel.ist