# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2010-09-18 21:01:44 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/24879476770) RT @JailbreakNews: AppStore Developers Feel the Heat : Hackers Find Exploit in 4.x Without Jailbreak http://bit.ly/9OQeUl