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OWASP Top 10 (2025): Web Security for Developers
Learn the OWASP Top 10:2025 risks and how to spot and fix them in code, from broken access control and injection to session handling and supply chain failures. For web developers who know basic HTTP and SQL.
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What is the OWASP Top 10?
A ranked list of the most critical web app security risks
Source
OWASP calls it an awareness document: a broad consensus about the most critical security risks to web applications. It was first published in 2003, and the 2025 edition, the eighth, is the one this deck follows. It is a starting point for developers, not a complete checklist or a testing standard.