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Syntactic & Semantic Input Validation 

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Input-validation focuses on preventing improperly-formed data from entering the system. Input validation is one of the defenses against the injection class of attacks. Syntactic and semantic input validation explores the basic types of input validation and how to perform them in the .NET context. Review the three primary rules of input validation and code examples for performing syntactical and semantic input validation. A review of whitelisting with a code example is also covered.​