I'm not have had any links sent to my email to change security questions

Apple ID security issues -

Account security issues almost always require you to speak directly to an Apple representative to securely establish your identity as the account holder. You can set it up so that Apple calls you, either immediately or at a time convenient to you.

1. Go to http://www.apple.com/support/appleid/

2. Choose Contact Support and click Contact Us

3. Choose Other Apple ID Topics and choose the appropriate topic for your issue (Security questions or password)

4. Choose, No Thanks, Continue

5. Choose the best method for you for contacting Apple

Forgot Security Questions

1. If you forgot the answers to your Apple ID security questions - Apple Support

2. Apple ID- All about Apple ID security questions

3. Contact Apple for help with Apple ID account security - Apple Support

Be sure you check in your Junk mail folder.

Have you followed the process outlined here: If you forgot the answers to your Apple ID security questions - Apple Support