If you suspect your internet connection is not secure, here are some steps to take:

1. Check your router: Make sure that your router is properly encrypted and secured.
2. Check your network settings: Make sure your computer settings match the security level of your network.
3. Check your browser: Make sure your browser is up to date, and that it has the latest security features enabled.
4. Check your software: Make sure any additional software you use is up to date and secure.
5. Check your anti-virus: Make sure your anti-virus is up-to-date and regularly scanning for malicious software.