# HackSys Extreme Vulnerable Driver (HEVD) vs OffSec Proving Grounds: side-by-side comparison (2026) [HackSys Extreme Vulnerable Driver (HEVD)](https://cybersectools.com/tools/hacksys-extreme-vulnerable-driver-hevd) is a free [cyber range training](https://cybersectools.com/categories/cyber-range) solution. [OffSec Proving Grounds](https://cybersectools.com/tools/offsec-proving-grounds) is a commercial [cyber range training](https://cybersectools.com/categories/cyber-range) solution by [OffSec](https://cybersectools.com/companies/offsec). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | HackSys Extreme Vulnerable Driver (HEVD) | OffSec Proving Grounds | |---|---|---| | Pricing model | Free | Commercial | | Category | Cyber Range Training | Cyber Range Training | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | GitHub stars | 2,966 | – | | Last commit | Feb 2025 | – | | Company | – | OffSec | | Headquarters | – | – | ### Use cases and capabilities | | HackSys Extreme Vulnerable Driver (HEVD) | OffSec Proving Grounds | |---|---|---| | Security Research | Yes | – | | Education | Yes | Yes | | Windows | Yes | Yes | | Windows Security | Yes | – | | Vulnerability | Yes | – | | Exploit Development | Yes | – | | Linux | Yes | Yes | | Vulnerable Applications | Yes | Yes | | Penetration Testing Framework | – | Yes | | CTF | – | Yes | | Lab | – | Yes | | Reconnaissance | – | Yes | | Exploitation Framework | – | Yes | | Online Learning | – | Yes | ### Core features **HackSys Extreme Vulnerable Driver (HEVD)** No features listed. **OffSec Proving Grounds** 10 features listed. Sign in on the page to see them. ### Integrations **HackSys Extreme Vulnerable Driver (HEVD)** No integrations listed. **OffSec Proving Grounds** 3 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [HackSys Extreme Vulnerable Driver (HEVD)](https://cybersectools.com/tools/hacksys-extreme-vulnerable-driver-hevd) fits if you need to run it on your own servers, you need a free product and you want an open-source product. - [OffSec Proving Grounds](https://cybersectools.com/tools/offsec-proving-grounds) fits if you want a cloud product. ## HackSys Extreme Vulnerable Driver (HEVD) vs OffSec Proving Grounds FAQ Common questions when comparing HackSys Extreme Vulnerable Driver (HEVD) vs OffSec Proving Grounds for cyber range training. ### What is the difference between HackSys Extreme Vulnerable Driver (HEVD) and OffSec Proving Grounds? **HackSys Extreme Vulnerable Driver (HEVD)**: A Windows kernel driver intentionally designed with various vulnerabilities to help security researchers practice kernel exploitation techniques. **OffSec Proving Grounds**: Online lab platform offering hands-on penetration testing practice machines for OSCP prep. Built by OffSec. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes HackSys Extreme Vulnerable Driver (HEVD) and OffSec Proving Grounds? **HackSys Extreme Vulnerable Driver (HEVD)** is open-source with 2,966 GitHub stars. **OffSec Proving Grounds** is made by OffSec. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is HackSys Extreme Vulnerable Driver (HEVD) a good alternative to OffSec Proving Grounds? Often, yes. HackSys Extreme Vulnerable Driver (HEVD) and OffSec Proving Grounds are both Cyber Range Training products, and both cover Education, Vulnerable Applications, Windows. Key differences: HackSys Extreme Vulnerable Driver (HEVD) is Free while OffSec Proving Grounds is Commercial, HackSys Extreme Vulnerable Driver (HEVD) is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [HackSys Extreme Vulnerable Driver (HEVD) vs GemForge Labs](https://cybersectools.com/compare/gemforge-labs-vs-hacksys-extreme-vulnerable-driver-hevd) - [HackSys Extreme Vulnerable Driver (HEVD) vs ACI Learning Skill Labs](https://cybersectools.com/compare/aci-learning-skill-labs-vs-hacksys-extreme-vulnerable-driver-hevd) - [HackSys Extreme Vulnerable Driver (HEVD) vs MetaCTF Cloud Labs / Cloud Ranges](https://cybersectools.com/compare/hacksys-extreme-vulnerable-driver-hevd-vs-metactf-cloud-labs-cloud-ranges) - [OffSec Proving Grounds vs GemForge Labs](https://cybersectools.com/compare/gemforge-labs-vs-offsec-proving-grounds) - [OffSec Proving Grounds vs ACI Learning Skill Labs](https://cybersectools.com/compare/aci-learning-skill-labs-vs-offsec-proving-grounds) - [OffSec Proving Grounds vs MetaCTF Cloud Labs / Cloud Ranges](https://cybersectools.com/compare/metactf-cloud-labs-cloud-ranges-vs-offsec-proving-grounds) ## Alternatives to each - [See all HackSys Extreme Vulnerable Driver (HEVD) alternatives](https://cybersectools.com/alternatives/hacksys-extreme-vulnerable-driver-hevd) - [See all OffSec Proving Grounds alternatives](https://cybersectools.com/alternatives/offsec-proving-grounds) --- Source: https://cybersectools.com/compare/hacksys-extreme-vulnerable-driver-hevd-vs-offsec-proving-grounds For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/hacksys-extreme-vulnerable-driver-hevd.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on HackSys Extreme Vulnerable Driver (HEVD) and OffSec Proving Grounds: 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=compare-md