Word spread quickly earlier this week when the first known wormstargeting the Apple iPhone surfaced days apart in Australia and theNetherlands. Neither inflicts serious harm on devices — thoughperhaps the Australian "Ikee" worm is guilty of crimes against good taste,as it swaps out the iPhone's wallpaper for a vintage photo of Rick Astley.The events are notable, however, because they only affect jailbrokeniPhones, raising questions over whether the iPhone jailbreaking communitybehaves responsibly when it frees the devices from Apple's factoryrestrictions. Subscribers can click below to see guest author Nathan Willis's look from this week's Security page.

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