Download WebSecurity chrome extension. This extension is installed via the Administrator of the computer so that web browsing follows the policies in place for the ATI. and install in your Google chrome browser. This is Direct WebSecurity Crx download for Chrome it is also called WebSecurity offline CRX for chrome Download. This WebSecurity is used to This extension is installed via the Administrator of the computer so that web browsing follows the policies in place for the ATI.