Today I will discuss:1. What Is Input Validation?2. What Are Input Validation Strategies?Gateway ⛩ to become Skilled-Cybersecurity Professional 🕴🕴🕴 https://luminisindia.com/goehm----Input validation is the first step of checking the type and content of data supplied by a user or application.For web applications, input validation means verifying user inputs provided in web forms, query parameters, uploads, and so on.Improper input validation is a major factor in many web security vulnerabilities, including cross-site scripting (XSS) and SQL injection.Input validation is a programming technique that ensures only properly formatted data may enter a software system component.It is always recommended to prevent attacks as early as possible in the processing of the user's (attacker's) request. Input validation can be used to detect unauthorized input before it is processed by the application.What Are Input Validation Strategies?1. Syntactical and Semantic Validation2. Whitelisting vs Blacklisting3. Client side and Server side Validation_

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