Run hands-on security training on real machines, in the browser.
Reflare Hydra gives every learner an isolated Linux or Windows environment, at scale, with skills assessment built in.
You bring the curriculum. We run the infrastructure: provisioning, isolation, persistence and scoring, all handled. No installs, no VPNs, no VM farm to babysit.

In production with enterprise, government and academic security programmes
500+
officers in a metropolitan police cyber unit train on Hydra
Reflare builds the platform that hands-on security training runs on. Hydra provisions the environments. Courses and CTF events are simply content that runs on top, whether they're ours or yours.
One control plane behind every training environment.
Hydra is content-agnostic. The platform provides the machine; your Docker images decide what runs on it.
Any environment you can containerise
Real Linux and Windows, defined by your own images, live in a browser tab in seconds. Forensics, offensive, blue team, Active Directory, CTF.
Isolated for every learner
Each person gets their own container and network. A breach stays inside that one session and reaches nothing else.
Skills assessment, scored by AI
Free-text answers graded across competency domains, with skill-gap analysis and a dashboard for training managers.
Your content, your brand
Run your curriculum white-labelled on your own domain. Hosted by Reflare, in your cloud, or on-premises for data residency.
What we publish, the field reads.
Tooling deep-dives, hacking history and technical write-ups from the team that builds the platform.
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Are CTFs Now Dead Because of LLMs?
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The Essential Free Tools Every CTF Competitor Needs in Their Arsenal
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The Hacking Groups That Shaped the Security Industry
The training and events that run on it.
Managed training
Hands-on courses for developers, administrators and security teams, delivered in live environments on Hydra.
Browse training →CTF events
Run a capture-the-flag for your team or an open competition: challenge deployment, scoring and leaderboards, all on the platform.
Run a CTF →Compliance programmes
Role-based security training mapped to standards such as PCI-DSS 4.0, so audit evidence comes out of the work itself.
See compliance training →Tell us what you run and at what scale. We'll show you Hydra and come back with the right shape.
Talk to sales →

