Depending on the browser you are using, if a site is secure, you might either see a green or a grey padlock accompanied by the ‘https’ in the site address bar. As long as the padlock hasn’t got a red strike-through or a yellow warning triangle, it means the website you are using is secure. You might notice, for example, for a given secure website, that the padlock will be green on Internet Explorer but it will be grey on Chrome. However, that doesn’t impact the security aspect of the site.