O2 has closed its web site for viewing MMS messages sent to non-MMS compatible handsets after a serious flaw in security was found. The web site was used by users with MMS capable handsets who sent pictures to users without MMS handsets like the new iPhone 3G.
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Owners of non-MMS capable handsets received a text with a link to view the picture online. It was discovered that the O2 site hosting the images had no security or log-in procedures and that anyone could view the images.
According to vnunet.com Google even indexed some of the images sent by O2 users and that a simple Google Image search not only found the images, but the user’s phone number was with the images as well. "We have temporarily taken down our MMS web-based viewing service while we investigate this issue fully. This has no impact on the service for customers with MMS-enabled handsets," said an O2 spokesperson.