Input validation is the single best defense against injection and XSS vulnerabilities. Done right, proper input validation techniques can make web-applications invulnerable to such attacks.

As Brien demonstrates, string validation is not the only type of input validation that PowerShell can perform.

Most web frameworks I've seen handle form validation using exceptions; if the form fields or the whole form don't meet the requirements, an exception is thrown and dealt with (redirect back to the ...

Java input validation in while loop Daniel Mar 11, 2014 Jump to latest Follow Reply ...

Customized validation routines are the norm in Indian organizations for fixing vulnerabilities. OWASP’s ESAPI framework may prove to be a better option.

Posey's Tips & Tricks How To Validate Input in PowerShell Functions, Part 1 If your automated script takes action based on a value, it's critical to make sure the value is correct.