Here we need to have tool like Google Captcha example: https://support.google.com/a/answer/1217728?hl=en#:~:text=CAPTCHA%20works%20because%20computers%20can,help%20prevent%20unauthorized%20account%20entry Many of our external city websites does not have mechanism to track the login is done via bot or via human. We need to use tools like google captcha or similar tools. Make sure all City WebSite accessed directly from home network can have such types of tools.