Windows 8, for those of you who don’t know, relies on something called SmartScreen Application Reputation to identify and warn users of potentially dangerous desktop apps. According to Microsoft, the operating system uses SmartScreen, which was previously restricted to Internet Explorer, to conduct “an application reputation check the first time you launch applications that come from the Internet.” With SmartScreen providing an additional layer of security to Windows 8 users, they will have a lot less to worry about, right? Wrong, according to Canadian security researcher Nadim Kobeissi, who has a serious issue with the way the feature works.