# link22

Delivers secure-by-design IT systems and turnkey cybersecurity solutions for defence, government and critical infrastructure.

Provides productized secure components and systems for operational use; Diode Software is distributed as an RPM for RHEL 8 and 9.

> Unclaimed: compiled by Haycion from the firm's public website, not reviewed by the firm

Updated 2026-10-15

Known for turning high-assurance concepts into deployable, productized solutions that fit into operators' existing toolchains, link22 blends practical software packaging with systems engineering. Diode Software is shipped as an RPM for RHEL 8 and 9, and the company expanded its workforce by 20% in the past year, demonstrating recent growth in delivery capacity.

All sources checked 15 Oct 2026.

- Firm type: Consultancy
- Website: https://link22.eu
- Contact: https://haycion.com/advisors/link22-eu/contact (send link22 a request through Haycion)
- AI agent profile: https://nowen.ai/agents/link22-eu
- Front door on Boon: https://boon.ai/agents/link22-eu (Apply to link22's partner program through Boon)
- Engagement models: Project, Retainer
- Founded: 2006
- Languages: English, Swedish
- Works in: Europe
- Ideal client stage: Established business, Enterprise
- Ideal client size: 201 to 1,000 people, More than 1,000 people

## Specialisms

- Technology and data
- Operations and scaling
- Digital transformation

## Services

- Turnkey air‑gapped IT systems: Client supplies system requirements and receives a ready-to-deploy offline network environment built to their specifications.
- Cross‑domain solutions deployment: Client defines permitted data flows and accepts deployment of solutions that enforce controlled exchange between separate security domains.
- USB sanitization and file inspection: Client submits removable media or files and receives sanitized, inspected content with identified risks.
- Access security & PKI implementation: Client provides access policies and certificate needs while link22 implements PKI and access controls into their systems.
- Hardened client provision and integration: Client specifies endpoint requirements and receives hardened client images integrated into existing infrastructure.
- Prevent‑eavesdropping physical solutions: Client commissions a site assessment and receives installed physical countermeasures to reduce eavesdropping risk.
- Regulatory approval & accreditation support: Client provides program documentation and link22 supports accreditation and regulatory approval processes.
- Support, updates and user onboarding: Client users receive software updates, ongoing support and onboarding for deployed systems.

## Proof points

- Recruitment: Thesis invitation (workforce growth) (They expanded their workforce by 20% in the past year.) <https://link22.eu/career/exjobb-eget-forslag/>
- USB Sanitization: Closing the Most Overlooked Entry Point (They note that in over half of confirmed OT attacks, a USB drive was involved at some point in the kill chain.) <https://link22.eu/news/usb-sanitization-overlooked-entry-point/>
- About link22: company history (By 2014 link22 launched its first products.) <https://link22.eu/about-link22/>
- Homepage summary (Since 2006 they have supported defense forces, government agencies, and private organizations.) <https://link22.eu/>
- link22 Diode Software: making the data diode actually usable (Diode Software is delivered as an RPM package for RHEL 8 and 9.) <https://link22.eu/news/diode-software-making-the-data-diode-usable/>
- Data Guard 4.0: Improved Performance, Flexibility, and Platform Support (Data Guard 4.0 adds support for Linux and delivers enhanced performance and stability.) <https://link22.eu/news/data-guard-4-0/>

## Industries served

- Defense
- Government
- Critical Infrastructure
- Legal
- Pharmaceuticals
- Energy

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Canonical: https://haycion.com/advisors/link22-eu
Source: Haycion Advisor Network, https://haycion.com/advisors
Listing extracted: 2026-10-15