SECODE is a browser-based security-training platform for developers, engineering teams and educators. It combines language-specific secure-coding missions, Python security exercises, AI-security learning and short security lessons. Learners work through scenarios, quizzes and explanations to practise decisions about input validation, web application security, prompt injection, AI agents and MCP risks.
A practical starting point is Python Security Quest, which opens with a registration-input validation scenario. Some modules are marked beta, and access varies by module and plan. The first Python question and answer feedback were available without sign-in during our check.