Web & Application Security
The OWASP risks and how to write secure code.
Beginner
Start here. No background needed beyond school maths.
Document
Beginner
↗ External site
OWASP GenAI Security Project
Risks and defences for AI applications, including the Top 10 for LLM applications.
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Document
Beginner
↗ External site
OWASP Juice Shop
A deliberately vulnerable web shop that you attack legally on your own machine to learn the •••• risks.
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Document
Beginner
↗ External site
OWASP Top 10
The standard list of the most critical web application risks, with explanations and fixes.
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Advanced
Once the basics are comfortable.