Security

Security Troubleshooting Labs

Diagnose security incidents in live environments.

Practice security incident response with real systems and realistic failure patterns.

Incident-style security tasks
Live system access
Detection and response
Timed scenarios

CTFs only

Puzzle focus
No production context
No operational pressure
Not DevOps-focused

Deadnodes labs

Production-like systems
Operational response
Incident workflows
DevOps/SRE context

What you practice

Investigate suspicious activity and restore service safely.

Detection
Containment
Recovery

For teams

Use security scenarios for readiness and assessments.

Training
Interviews
Readiness drills

Measurable outcomes

Track results with scores and run history.

Scoring
Run history
Repeatable scenarios

Deadnodes: DevOps practice labs and technical interview platform

Deadnodes helps engineers and hiring teams practice and assess real DevOps, SRE, and platform engineering skills in live browser environments.

Hands-on troubleshooting labs for Linux, Kubernetes, Postgres, networking, and CI/CD.
Live terminal scenarios with timed runs, scoring, and run history.
Technical interview meetings with secure candidate links and a task picker.
Code Playbook exercises for live coding, pseudocode, debugging, and reasoning.
AI-assisted reports that summarize candidate actions, risks, and next questions.

Key pages: /en/for-ai-agents, /en/interview, /en/tasks/browse, /en/pricing.