HackSys Extreme Vulnerable Driver (HEVD) vs OffSec Proving Grounds: side-by-side comparison (2026)

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.

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.

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.