# CybExer

CybExer is a cybersecurity company based in Estonia, founded in 2016. It has 2 products listed on CybersecTools.

> Cyber range platform provider for realistic security training exercises

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

## Quick facts

- Category: [Human Risk](https://cybersectools.com/categories/human-risk)
- Type: Product vendor
- Headquarters: Estonia
- Founded: 2016
- Products listed: 2
- Website: [cybexer.com](https://cybexer.com/)

## What does CybExer do?

CybExer Technologies provides cyber range platforms and solutions for conducting realistic cybersecurity training exercises and infrastructure testing. The company's flagship offering is a proprietary cyber range that enables organizations to conduct live-fire exercises designed to improve prevention and response strategies in simulated environments. The platform includes visualization and situational awareness capabilities that received the NATO Defence Innovation Award in 2018 for groundbreaking technology in cyber range visualization.

The company also offers a Sandbox solution that tests and challenges IT infrastructure to locate and identify vulnerabilities. CybExer's platforms are used for hands-on cybersecurity education programs, allowing teams to gain practical experience in controlled virtual environments without impacting live systems.

Founded in 2016 and headquartered in Tallinn, Estonia, CybExer operates across multiple European locations including Finland, Czech Republic, UK, Latvia, and Poland with approximately 60 employees. The company serves customers in more than 30 countries, including military organizations such as the UK Army, Ukraine Army, and Portuguese Army, as well as government entities like the Luxembourg Ministry of Defence, European Defence Agency, and various national CERTs. Notable projects include the delivery of the Luxembourg National Cyber Range in 2021 and hosting some of the largest multinational cybersecurity events on its platform.

Categories: [Human Risk](https://cybersectools.com/categories/human-risk), [Offensive Security](https://cybersectools.com/categories/offensive-security-testing)

## CybExer products

- [CybExer Cyber Range Technology](https://cybersectools.com/tools/cybexer-cyber-range-technology): NATO-awarded cyber range platform for training, testing, and validation (commercial)
- [Cybexer Cyber Ranges for Finance and Banking](https://cybersectools.com/tools/cybexer-cyber-ranges-for-finance-and-banking): Cyber range platform for finance & banking sector security training (commercial)

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