Multiple choice technology security Which among the below is an example of information leakage vulnerability Displaying “Welcome, “+request.getParameter(“userid”) Displaying “You entered either a wrong user id or password” error message Call stack trace Return error code 404 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Stack traces expose implementation details, file paths, framework versions, and variable states - all valuable intelligence for attackers. Unlike generic error messages, stack traces provide a roadmap of your application's internal structure.