The cybersecurity industry faces a massive skills gap, with millions of unfilled positions globally. The reason? Most job postings require practical experience, but you can't gain experience without a job. Cybersecurity labs break this cycle by providing legal, hands-on environments where you can practice real hacking techniques without risking jail time.
This guide covers the 15 best cybersecurity labs for hands-on practice in 2026. Whether you're a complete beginner exploring career options, a student building foundational skills, or a professional preparing for certifications like OSCP, you'll find platforms matched to your skill level and goals.
Our top picks: TryHackMe for beginners seeking guided paths, Hack The Box for intermediate pentesters, and HackerDNA for practical web security skills with a clean learning experience.
What Are Cybersecurity Labs?
Cybersecurity labs are virtual environments where you can legally practice hacking techniques, penetration testing, and defensive security skills. They provide intentionally vulnerable systems that simulate real-world targets without legal risk. Think of them as flight simulators for hackers.
Types of Cybersecurity Practice Labs
- CTF Platforms Capture The Flag competitions with puzzle-style challenges. Great for learning specific techniques in isolation. See our CTF for beginners guide.
- Vulnerable VMs Downloadable virtual machines you run locally. Realistic but require setup knowledge.
- Guided Learning Platforms Structured courses with hands-on labs. Best for beginners who need direction. Examples include TryHackMe and HTB Academy.
- Cyber Ranges Enterprise-grade simulations with full network environments. Used by corporations and military.
Why hands-on practice matters: Reading about SQL injection is different from actually exploiting one. Cybersecurity labs bridge the gap between theory and practice, building muscle memory for techniques you'll use in real assessments.
How We Evaluated These Cybersecurity Labs
We assessed each platform across five criteria:
- Skill level appropriateness: Does it match beginner, intermediate, or advanced needs?
- Cost and value: What do you get for free versus paid tiers?
- Content quality: Are the labs realistic and well-designed?
- Community and support: Can you get help when stuck?
- Career relevance: Does it prepare you for real jobs and certifications?
Disclosure: HackerDNA is our platform. We've included it because we genuinely believe it offers value, but we've been objective about its limitations compared to established competitors.
Best Cybersecurity Labs for Beginners
Starting your cybersecurity journey? These platforms offer structured learning paths and beginner-friendly content that won't overwhelm you.
1. TryHackMe
TryHackMe pioneered browser-based cybersecurity labs with guided learning paths. No VPN setup, no local VMs - just open your browser and start hacking. Their "rooms" walk you through concepts step-by-step with integrated questions to verify understanding. Looking for savings? Check out our TryHackMe discount guide for student discounts and legitimate promo codes.
- Best for: Complete beginners who need structure
- Pricing: Free tier available, $16.99/month premium (student discount available)
- Focus: Broad cybersecurity fundamentals
Pros:
- Structured curriculum with clear learning paths
- Active community and Discord support
- No local setup required - runs in browser
- Excellent for building foundational knowledge
Cons:
- Can feel hand-holdy for experienced users
- Some paths require premium subscription
- Less realistic than standalone machines
2. HackerDNA
HackerDNA combines CTF-style challenges with realistic hacking labs focused on web application security. The platform emphasizes practical skills over theoretical knowledge, with labs designed to teach techniques used in real penetration tests.
- Best for: Beginners wanting practical web security skills
- Pricing: Free tier available
- Focus: Web application security, ethical hacking fundamentals
Pros:
- Clean, modern interface
- Strong focus on web application vulnerabilities
- Active development with new content regularly
- Free tier with meaningful content
Cons:
- Smaller lab library than established competitors (growing rapidly)
- Newer platform with developing community
3. PicoCTF
Created by Carnegie Mellon University, PicoCTF is an educational CTF platform designed specifically for students. The challenges progress from trivially easy to moderately difficult, teaching fundamentals across all major security categories.
- Best for: Students, CTF newcomers
- Pricing: Completely free
- Focus: Educational CTF challenges
Pros:
- 100% free with no paywalls
- Beginner-friendly difficulty progression
- Educational focus with learning resources
- Annual competition for resume building
Cons:
- Less realistic than full penetration testing labs
- Limited to CTF format
- Some challenges feel academic rather than practical
4. OverTheWire
OverTheWire offers command-line wargames that teach Linux fundamentals through progressive challenges. The Bandit wargame is legendary as the starting point for countless security professionals learning their way around a terminal.
- Best for: Linux fundamentals, CLI proficiency
- Pricing: Completely free
- Focus: Command-line skills, system administration
Pros:
- Excellent for building Linux foundations
- Self-paced with no time pressure
- Teaches skills used in every other platform
Cons:
- No graphical interface - pure command line
- Steep learning curve for complete beginners
- Minimal guidance - you're on your own
Best Cybersecurity Labs for Intermediate Users
Ready to move beyond guided tutorials? These platforms offer realistic environments that simulate actual penetration testing scenarios.
5. Hack The Box
Hack The Box is the industry standard for realistic penetration testing practice. Their machines simulate real corporate environments with multiple attack vectors and no hand-holding. Many hiring managers specifically look for HTB rankings when evaluating candidates.
- Best for: OSCP preparation, pentesting practice
- Pricing: Free tier, $25/month VIP
- Focus: Realistic penetration testing
Pros:
- Massive community with active forums
- Realistic machines that mirror corporate environments
- Excellent preparation for OSCP certification
- Regular new machine releases
Cons:
- Can be frustrating for beginners - minimal guidance
- Requires VPN setup and configuration
- Some machines are brutally difficult
6. PortSwigger Web Security Academy
Created by the makers of Burp Suite, the Web Security Academy offers industry-leading web application security training. The labs cover every web vulnerability category with professional-grade content that rivals expensive training courses.
- Best for: Web application security specialists
- Pricing: Completely free
- Focus: Web application vulnerabilities
Pros:
- Best-in-class web security content
- Written by the Burp Suite team
- Covers advanced techniques not found elsewhere
- Completely free
Cons:
- Focused only on web security
- No network pentesting content
- Can be challenging for complete beginners
7. VulnHub
VulnHub hosts downloadable vulnerable virtual machines created by the community. Each VM is a self-contained challenge that you run locally, offering complete control over your practice environment.
- Best for: Offline practice, home lab building
- Pricing: Completely free
- Focus: Varied - depends on the VM
Pros:
- Huge library of community-created machines
- Works completely offline
- Realistic scenarios with full VM access
- Great for building local lab environments
Cons:
- Requires VM software and setup knowledge
- No guided learning - you're on your own
- Quality varies between machines
8. Root-me
Root-me is a French platform offering challenges across multiple security categories. The breadth of content is impressive, covering everything from web exploitation to forensics to cryptography.
- Best for: Diverse skill development
- Pricing: Free with premium options
- Focus: Multi-category challenges
Pros:
- Wide variety of challenge categories
- Active international community
- Regular new content additions
Cons:
- Interface less polished than competitors
- Some content only in French
Best Cybersecurity Labs for Advanced Users
These platforms target experienced practitioners preparing for advanced certifications or developing specialized skills.
9. Offensive Security Proving Grounds
Created by the makers of OSCP, Proving Grounds offers the most authentic OSCP preparation experience available. The machines are designed by the same team that creates the certification exam.
- Best for: OSCP and OSEP certification prep
- Pricing: $19/month (Practice), higher tiers available
- Focus: Penetration testing certification prep
Pros:
- Made by OSCP creators - most realistic prep
- Machines mirror actual exam difficulty
- Official walkthroughs available
Cons:
- Assumes existing penetration testing knowledge
- Subscription cost adds up during prep
10. Pentester Academy (AttackDefense)
Pentester Academy's AttackDefense platform offers over 2000 browser-based labs covering offensive security techniques. The content targets red team professionals developing advanced skills.
- Best for: Red team skill development
- Pricing: $69/month
- Focus: Advanced offensive techniques
Pros:
- Massive library of 2000+ labs
- Browser-based with no setup
- Constantly updated with new content
Cons:
- Premium pricing
- Overwhelming for beginners
11. SANS Cyber Ranges
SANS offers enterprise-grade cyber range environments used by military, government, and Fortune 500 companies. These are full network simulations with dozens of interconnected systems.
- Best for: Corporate teams, advanced practitioners
- Pricing: Enterprise (contact for pricing)
- Focus: Enterprise security scenarios
Pros:
- Industry gold standard
- Most realistic enterprise scenarios available
- Used by top security teams globally
Cons:
- Very expensive - enterprise pricing
- Overkill for individual learners
Best Free Cybersecurity Labs
Budget constraints shouldn't stop your learning. These free resources provide excellent training at zero cost.
12. OWASP Juice Shop
Juice Shop is an intentionally vulnerable web application covering all OWASP Top 10 vulnerabilities. The gamified scoring system tracks your progress across 100+ challenges.
- Best for: OWASP Top 10 practice
- Setup: Docker or Node.js
- Focus: Web application vulnerabilities
Pros:
- Comprehensive coverage of web vulnerabilities
- Gamified progress tracking
- Actively maintained by OWASP
Cons:
- Requires self-hosting
- No guided learning path
13. DVWA (Damn Vulnerable Web Application)
DVWA is the classic vulnerable web application that has trained generations of security professionals. Its adjustable difficulty levels make it suitable for learning progression.
- Best for: Web vulnerability basics
- Setup: XAMPP or Docker
- Focus: Common web vulnerabilities
Pros:
- Simple setup process
- Adjustable difficulty levels
- Excellent documentation
Cons:
- Dated interface
- Limited scope compared to modern platforms
14. Metasploitable
Metasploitable is an intentionally vulnerable Linux virtual machine designed for practicing with the Metasploit Framework. It offers dozens of exploitable services on a single target.
- Best for: Metasploit practice, network pentesting
- Setup: VirtualBox or VMware
- Focus: Network exploitation
Pros:
- Realistic Linux target environment
- Excellent for learning Metasploit
- Multiple vulnerable services
Cons:
- Requires VM knowledge
- Single target with dated vulnerabilities
15. CyberDefenders
CyberDefenders focuses on blue team skills - the defensive side of security. Challenges include log analysis, malware analysis, and incident response scenarios.
- Best for: Defensive security, SOC analysts
- Pricing: Free
- Focus: Blue team challenges
Pros:
- Unique defensive security focus
- Real-world incident scenarios
- Great for SOC analyst preparation
Cons:
- Limited content compared to offensive platforms
- Smaller community
Cybersecurity Labs Comparison Table
Quick reference comparing all 15 platforms:
| Platform | Level | Price | Focus | Free Tier |
|---|---|---|---|---|
| TryHackMe | Beginner | $16.99/mo | Guided Learning | Yes |
| HackerDNA | Beginner | Free/Pro | Web Security | Yes |
| PicoCTF | Beginner | Free | CTF/Education | Yes |
| OverTheWire | Beginner | Free | Linux/CLI | Yes |
| Hack The Box | Intermediate | $25/mo | Pentesting | Yes |
| PortSwigger | Intermediate | Free | Web Security | Yes |
| VulnHub | Intermediate | Free | Vulnerable VMs | Yes |
| Root-me | Intermediate | Free/Pro | Multi-category | Yes |
| Proving Grounds | Advanced | $19/mo | OSCP Prep | No |
| Pentester Academy | Advanced | $69/mo | Red Team | Limited |
| SANS Cyber Ranges | Advanced | Enterprise | Enterprise Sim | No |
| Juice Shop | All Levels | Free | OWASP Top 10 | Yes |
| DVWA | Beginner | Free | Web Basics | Yes |
| Metasploitable | Intermediate | Free | Network Pentest | Yes |
| CyberDefenders | Intermediate | Free | Blue Team | Yes |
How to Choose the Right Cybersecurity Lab
The best platform depends on your specific goals. With 15 options to choose from, narrowing down to the right fit requires honest assessment of your current skill level, career objectives, and learning style. Here are recommendations based on common scenarios:
For Certification Preparation
Different certifications require different types of practice. Match your lab choice to your target certification:
- OSCP: Hack The Box, Proving Grounds, and HackerDNA for web exploitation modules. Focus on machines without writeups to simulate exam conditions.
- Security+: TryHackMe learning paths cover the theoretical foundations. CyberDefenders adds blue team practical experience that complements the certification material.
- CEH: TryHackMe structured paths align well with CEH objectives. Pentester Academy provides broader coverage for the hands-on component.
- GPEN/GWAPT: PortSwigger for web application focus, Hack The Box for network penetration testing skills.
For Career Changers
Breaking into cybersecurity from another field requires building both foundational knowledge and demonstrable skills. Start with TryHackMe or HackerDNA for structured learning that builds foundations without assuming prior knowledge. These platforms explain concepts before asking you to exploit them.
Once comfortable with basics, graduate to Hack The Box for realistic penetration testing practice. HTB rankings and completed machine counts appear on resumes and LinkedIn profiles, giving hiring managers tangible evidence of your capabilities. Many job postings specifically mention HTB experience.
For Students
Budget constraints shouldn't limit learning. PicoCTF and OverTheWire are completely free and designed for educational environments. They're also excellent resume builders - participating in PicoCTF competitions demonstrates initiative to potential employers.
HackerDNA offers accessible pricing for students building practical skills alongside academic learning. The platform's focus on hands-on labs complements theoretical coursework.
On a Budget
You can build comprehensive skills using only free resources. Here's a complete free learning path:
- Linux fundamentals: OverTheWire Bandit (free)
- Web application security: PortSwigger Web Security Academy (free)
- Realistic machines: VulnHub downloadable VMs (free)
- CTF skills: PicoCTF challenges (free)
- Basic practice: DVWA and Juice Shop (free, self-hosted)
- Additional content: Free tiers from TryHackMe, Hack The Box, and HackerDNA
This combination covers all major skill areas without spending a dollar. Add paid subscriptions only when you've exhausted free content and need access to more machines.
Building a Learning Progression
Regardless of which platforms you choose, follow this general progression for maximum effectiveness:
- Build Linux command-line proficiency Complete OverTheWire Bandit levels 0-20. This takes 1-2 weeks and establishes skills used everywhere else.
- Learn one category deeply Pick web exploitation, network pentesting, or forensics. Complete 20-30 challenges in that category before branching out.
- Graduate to realistic machines Move from CTF-style puzzles to full machine exploitation on platforms like Hack The Box or VulnHub.
- Build a portfolio Document your learning. Write blog posts about machines you've completed. Contribute to the community.
Frequently Asked Questions
What are cybersecurity labs?
Cybersecurity labs are virtual environments where you can legally practice hacking techniques, penetration testing, and security skills. They provide intentionally vulnerable systems that simulate real-world targets without legal risk. Labs range from simple web applications to full corporate network simulations.
Are cybersecurity labs legal?
Yes, all platforms listed in this guide are 100% legal. They provide authorized environments specifically designed for security practice. However, never practice these techniques on systems you don't own or have explicit permission to test. Unauthorized access to computer systems is illegal regardless of intent.
Can I learn cybersecurity with free labs only?
Absolutely. Combining PortSwigger Web Security Academy, OverTheWire, VulnHub, PicoCTF, and free tiers from TryHackMe, Hack The Box, and HackerDNA provides comprehensive training at zero cost. Many successful security professionals built their skills entirely on free resources.
Which cybersecurity lab is best for OSCP preparation?
Offensive Security Proving Grounds and Hack The Box are the gold standard for OSCP prep. Proving Grounds is created by the OSCP exam makers, so machines closely mirror exam difficulty. HackerDNA's web-focused labs complement these for well-rounded preparation.
How many hours should I practice in cybersecurity labs?
Aim for 10-15 hours weekly for serious skill development. Consistency beats intensity - daily 1-2 hour sessions are more effective than occasional weekend cramming. Track your progress by completing a set number of challenges or machines per week.
Conclusion: Start Practicing Today
The cybersecurity skills gap exists because employers need people who can do the job, not just pass exams. Cybersecurity labs bridge that gap by providing hands-on experience in safe, legal environments.
Summary by Category
- Best for complete beginners: TryHackMe for guided paths, PicoCTF for free CTF practice
- Best for web security: PortSwigger Academy, HackerDNA, OWASP Juice Shop
- Best for realistic pentesting: Hack The Box, VulnHub, Proving Grounds
- Best free options: PortSwigger, PicoCTF, OverTheWire, VulnHub
- Best for OSCP prep: Proving Grounds, Hack The Box
The best cybersecurity lab is the one you'll actually use consistently. Start with one platform, commit to regular practice, and expand your toolkit as you progress. Every security professional started exactly where you are now.
Ready to start? HackerDNA Labs offers free beginner challenges focused on practical web security skills. Try the free tier today and experience hands-on hacking in a guided environment.
Don't limit yourself to one platform. The most well-rounded security professionals combine multiple resources: structured learning from guided platforms, realistic practice from vulnerable machines, and community engagement through CTF competitions. Start today, stay consistent, and watch your skills compound over time.