If you’ve got an iPhone, pretty much everything you have done on your handset has been temporarily stored as a screenshot that hackers or forensics experts could eventually recover, according to a renowned iPhone hacker who exposed the security flaw in a webcast Thursday. While demonstrating how to break the iPhone’s passcode lock in a webcast, iPhone hacker and data-forensics expert Jonathan Zdziarski explained that the popular handset snaps a screenshot of your most recent action – regardless of whether it’s sending a text message, e-mailing or browsing a web page – in order to cache it…
