Input Sanitization Techniques

Input sanitization is the process of cleaning and validating user input to prevent security vulnerabilities such as SQL injection, cross-site scripting (XSS), and other malicious attacks. This process involves removing any unwanted characters or code from user input and ensuring that the input adheres to a specific format or structure. Input sanitization techniques can include methods such as data validation, data normalization, and data filtering. Data validation involves checking the input against a set of predefined rules to ensure that it meets certain criteria, such as length, format, and type. Data normalization involves converting the input into a standard format to ensure consistency and prevent errors. Data filtering involves removing any unwanted characters or code from the input to prevent malicious attacks.
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