A security flaw in the iPhone allows strangers to bypass the handset’s lock screen with a few button presses.
…the quick method to circumvent an iPhone’s passcode-protected lock screen: • tap the “Emergency Call” button, • then enter three pound signs, • hit the green Call button • and immediately press the Lock button. That simple procedure gives a snoop full access to the Phone app on the iPhone, which contains the address book, voicemail and call history. (more)
Apple:
“We’re aware of this issue and we will deliver a fix to customers as part of the iOS 4.2 software update in November.”
“Why is this important?”
Not having password protection on a smart phone leaves you open to information theft, jail-breaking and injection of spyware.
“Why does this trick exist?” • It is a software loophole. • It is a programmer’s shortcut they forgot to patch. • It is a programmer’s Easter egg. • It is a law enforcement backdoor never meant to become public knowledge. Interesting question. You decide.
FutureWatch: The ability to create passwords longer than four measly digits… which is only a pool of only 10,000 passwords. ~Kevin
