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Focus on Teaching. Not Troubleshooting.

Zero configuration. Instant deployment. Real-time progress tracking. SecDim eliminates technical setup headaches so you can spend more time teaching what matters β€” secure coding skills.

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Rated 5/5 on G2
For instructors

Run the Class, Not the Infrastructure

Everything you need to deliver hands-on developer security training β€” labs, environments, grading, and community β€” without the technical overhead.

Save 80% of lab setup time

No VMs to configure, no environment conflicts. Students access labs instantly from any browser, on any device β€” saving you 10+ hours per course on setup alone.

  • βœ“ Works on any device with a browser
  • βœ“ In-browser sandbox or local development options
  • βœ“ Pre-configured secure coding environments
  • βœ“ No installation required
student session β€” browser sandbox
$ open lab: xss-101 …ready in 3s✓ environment ready β€” no install needed

Real-time progress dashboard

Know exactly where each student stands. Track submissions live, spot struggling students immediately, and let automated grading save hours of manual review.

  • βœ“ Live submission tracking
  • βœ“ Automated grading
  • βœ“ Performance analytics
  • βœ“ Export grades to your LMS
#1Aisha Kβœ“ gradedAI-generated: No
stmt = conn.prepare(query, params)
#2Marco Bβ–Ό resubmitAI-generated: Likely
query = "SELECT * FROM users" + input

500+ ready-to-use labs

OWASP Top 10, real-world vulnerabilities, and emerging threats in multiple formats: exploitation, attack & defence, secure coding, and incident response.

  • βœ“ Difficulty levels from Trivial to Battle
  • βœ“ Open source SDK for custom labs
  • βœ“ Scenarios based on actual breaches
  • βœ“ New labs added monthly
Diverse application security challenge library

Gamified learning & competitions

Run an attack-and-defence challenge with one click. Learners collaborate, compete, and learn through gamified challenges that make security training memorable and fun.

  • βœ“ Real-time leaderboards
  • βœ“ Find it, hack it, fix it
  • βœ“ Achievement badges and certificates
  • βœ“ Attack and Defence battles
class battle β€” round 2
✓ Team Blue exploited Team Red's API  +50△ Team Red deployed a patch β€” attack blocked

Custom curriculum builder

Create your own challenges or import existing ones. Build custom learning paths tailored to your curriculum, or design scenarios specific to your industry.

  • βœ“ Custom learning path builder
  • βœ“ Labs modelled on real-world incidents
  • βœ“ Custom vulnerability scenarios
  • βœ“ Private labs for your class

Keep in touch, after class

Create a private discussion forum for your learners: share resources, set take-home labs, and keep the momentum going after the workshop ends.

  • βœ“ A community for your learners
  • βœ“ Take-home assignments and labs
  • βœ“ Collaborate, discuss, and learn together
SecDim Discuss β€” class forum

Priya: Why does my regex patch still fail the ReDoS test?

Instructor: Look for nested quantifiers β€” try the atomic-group approach from module 10.

SecDim is as close to the "real thing" of finding and fixing vulnerabilities in source code as possible to find on the market. We're a penetration testing firm, and we use SecDim in our secure coding workshops with great success. It's easy enough to set up for a one-day workshop and has challenges for different skill levels, allowing us to challenge seniors while not leaving juniors behind. We're even seeing activity after the trainings β€” which shows how good the "game loop" of SecDim is.

Martin Haunschmid

Martin Haunschmid

CEO, Adversary GmbH

Educator pricing

Let's Discuss Your Requirements

Special educator pricing available. Let's discuss how SecDim can enhance your security courses.