Free Resources
Everything we build to help you practice, assess, and plan: browser-based security tools, labs you can run in one click, and career resources you can download and use today.
Run them in your browser, nothing to install
A guided security check of one MCP server or a whole agent tool set. Reachability, the Rule of Two, and drift, with two verdicts and a copyable hardening report. Answers never leave your browser.
Browser ToolSettle your quantum exposure in three numbers using Mosca's inequality, with verdict bands calibrated to published expert probability. No guessing Q-Day.
Browser ToolHow fast is the world writing software? Explore developers, repositories, organisations and code pushes on GitHub by economy and quarter. Built on the GitHub Innovation Graph.
Interactive DataConnect Claude, ChatGPT, or any MCP client to a cybersecurity career coach: structured role roadmaps, certification guidance, and skill coaching grounded in curated practitioner content.
MCP ServerSee how stolen cookies bypass passwords and 2FA. Walk through a real attack chain from login to full account takeover, entirely in your browser.
Browser LabCareer resources you can keep
Three tiers from analyst to architect, with the skills, platform knowledge, and certifications needed at each stage. Free high-resolution download.
Free DownloadFour career tracks mapped out: Blue Team, Red Team, Cloud Security, and GRC. Lab build guides, portfolio projects, and a certification strategy for each track.
Career GuideClone them, break them, learn from them
Profile a server with nmap the way it actually gets done. Runs in GitHub Codespaces against sandboxed targets: one click, nothing to install, nothing exposed to the internet.
Codespaces LabThe source behind the Session Hijack Lab. A session replay attack lab for defenders, covering how session tokens get stolen and what detection looks like.
Defender LabBuild a cybersecurity monitoring stack with Elasticsearch, Logstash, and Kibana. Learn log pipelines and detection from the ground up.
Monitoring LabDeploy Splunk Enterprise in Docker with syslog collection. A working instance for security testing and learning in under 30 minutes.
SIEM SetupScan direct and transitive npm dependencies using the deps.dev API for complete visibility into your package security.
CLI ToolEvery figure behind the Software Production Growth Explorer, reproduced from public source data with one Python script. Standard library only, so anyone can verify the analysis.
Reproduction