VERY IMPORTANT

The iOS ecosystem is usually described as a closed ecosystem, under the strict control of Apple. However, there are still ways to get around this tight control. Remember the Haima app? That method relied on enterprise certificates from Apple—which are costly, since the certificates needed are changed very frequently. We are currently seeing how third-party app stores are improving. Recently, we saw an app that leads to a third-party app store being offered on the official iOS App Store. To evade detection, this app was concealed as a legitimate app. In at least one case, an app used for jailbreaking was available via this third-party app store.