add script and check security

Respected employer I have gone through your requirements, the work is which I would like to work all the time We will deliver 100% what exactly you need or you specified in the requirements and also we will flexible for changes/enhancements thanking you for consideration

Hi, how about if I send you an exe which injects a script or any content to the response received from the site by your PC? Start my exe, open your site in any browser, page is loaded with script injected. Let me know if this is what you want. Thanks!