After demonstrating that an app can download malicious code after being accepted into the App Store, developer Charlie Miller found out that his developer credentials were pulled by Apple.
Charlie Miller exposed a threat to the security of iOS devices by creating an app that could exploit a javascript exception in mobile Safari. The exception allowed the download of malicious code after an app has already been accepted into the App Store.
Miller announced that he was removed from the Apple Developer Program via Twitter. Security experts usually share found exploits with the company that is responsible for the flaw. Instead, Charlie created and published an app showcasing the flaw. [Twitter via Cult of Mac]