Apple took a lot of time to develop and test their new iOS 7, but it seems that the testing period was not enough because ever since it was officially released people found a lot of security bugs in it. The most annoying security flaw was bypassing the lock screen of an iPhone running iOS 7 withing seconds. If this iOS7 bug worried you before, you should know that Apple just released a new iOS 7 update called 7.0.2 with the main purpose of correcting such bugs.
The update has 13.6 MB and can be downloaded via Settings> General> Update Software. If it’s not working from your iPhone, you should try the iTunes desktop app. Here’s few of these iOS 7 bugs you may experience if you decide not to update.