Vulnlab offers a pentesting & red teaming lab environment with 100+ vulnerable machines, ranging from standalone machines to big Active Directory environments with multiple forests that require bypassing modern defenses. The labs have various difficulties from easy to advanced and come with guidance in the form of notes, hints & walkthroughs. New content gets added on a regular basis.
Category rankings
Rankings include publicly discoverable servers and user-submitted servers with 100+ members. Growth rankings reflect weekly member changes.
