In Google’s attempt to secure the web as much as possible and to make browsing safer, it’s making some updates to its Chrome browser based on the assumption that all sites should be secure. By assuming that, it is removing the familiar “Secure” label in the latest browser versions and will remove the label and the little “Lock” icon later this year. Instead, it will be marking sites that are not secure and will start showing red “Not Secure” Warnings if you type data into a non-HTTPS web site.
Read more on Google’s decision on their blog and on Naked Security.