Input validation is a secure coding best practice that involves verifying user input to ensure it conforms to expected formats and values. This helps prevent malicious input that could lead to security flaws like SQL injection, cross-site scripting (XSS), and other attacks. Encoding output, session management, and parameterized queries are also important practices, but they address different aspects of secure coding.
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What are some common methods of input validation?
How do parameterized queries work, and why are they important?
Can you explain the difference between input validation and encoding output?