You are feeling that your Yahoo account is not secure and you want to make it secure and first check the Yahoo security setting and do set it as per your preference. If after setting the security you are unable to secure your account then just immediately contact Yahoo Customer Service 1-833-554-3444 at any time as we are 24/7 X 365 days available to help the clients. For more info: - https://www.contact-customer-service.co