# Clavister

Clavister is a cybersecurity company based in Sweden, founded in 1997. It has 4 products listed on CybersecTools.

> Swedish cybersecurity firm offering network security & cross domain solutions for defense.

Source: https://cybersectools.com/companies/clavister · Updated February 2026

## Quick facts

- Category: [Network Security](https://cybersectools.com/categories/network-security)
- Type: Product vendor
- Headquarters: Sweden
- Founded: 1997
- Products listed: 4
- Ownership: Public company (CLAV.ST)
- Website: [clavister.com](https://clavister.com/)

## What does Clavister do?

Clavister is a Swedish cybersecurity company headquartered in Örnsköldsvik, Sweden, publicly listed on the Swedish stock exchange. The company specializes in cybersecurity solutions for mission-critical applications, with a particular focus on defense, public sector, and telecommunications markets.

Clavister's product portfolio includes network security solutions such as next-generation firewalls, as well as cross domain solutions — technologies that enable secure information sharing across different security classification levels. The company has partnerships with defense industry players, including a notable collaboration with Saab for integrating cross domain solutions into advanced European defense systems.

The company positions itself within the European cybersecurity ecosystem, emphasizing sovereign and trusted security infrastructure for critical environments. Its solutions are designed to operate in high-assurance contexts where reliability, security certifications, and compliance with stringent standards are essential.

Clavister serves enterprise and government customers, particularly those operating in regulated or defense-related sectors where mission continuity and data integrity are paramount. The company develops both hardware and software-based security platforms, including virtualized and cloud-compatible variants of its firewall and network security products.

As a publicly traded company (listed on Nasdaq First North Growth Market in Sweden), Clavister publishes quarterly and annual financial reports. The company has been operating for several decades and maintains a focus on the European market, though it serves customers internationally.

Categories: [Network Security](https://cybersectools.com/categories/network-security), [Cyber-Physical Security](https://cybersectools.com/categories/ot-security), [Data Protection](https://cybersectools.com/categories/data-protection)

## Clavister products

- [Clavister NetWall](https://cybersectools.com/tools/clavister-netwall): AI-powered NGFW for mission-critical infrastructure with on-device anomaly detection. (commercial)
- [Clavister IdSphere](https://cybersectools.com/tools/clavister-idsphere): IAM platform managing identity lifecycle, access requests, and certification. (commercial)
- [Clavister Next-Generation Firewalls](https://cybersectools.com/tools/clavister-next-generation-firewalls): Portfolio of NGFWs covering enterprise, datacentre, and military deployments. (commercial)
- [Clavister IdAuth](https://cybersectools.com/tools/clavister-idauth): IdP platform offering MFA, SSO, and conditional access for orgs. (commercial)

---

More on Clavister: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=company-md