I will secure your magento by installing security patches released by magento. All eCommerce website one reason for success is it should be secure.
So I will install securely Security patches and also check your website for security aspect and I will fix it.
If you want to upgrade your magento store to latest version then I will do that for you securely. In today's era it is compulsory to make your website framework up to date so update it as community releases update.