It's easy to understand why Gogo would curb video streaming given the limited headroom on its current in-flight WiFi service. You don't want to miss important email just because someone in row 29 is watching the latest Epic Rap Battle, after all. However, the company's approach to keeping you off those forbidden sites is raising some major security concerns. Google's Adrienne Porter Felt recently noticed that Gogo is using fake google.com web security certificates to deter people from visiting YouTube. You can bypass any warnings from your browser, but the move theoretically lets Gogo decrypt and monitor your mid-air activity on any secure website, so long as it has the matching credentials.