Flaw in iOS, hackers target iPhone SMS users

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by Chelsey Brooks

Mashable.com

Posted on August 20, 2012 at 12:15 PM

Updated Monday, Aug 20 at 6:54 PM

Apple is warning its iPhone customers to be on alert after a prominent hacker claimed to find a flaw in iOS.

Pod2g claimed the iOS flaw allows hackers to change what phone number a SMS messages appears to be coming from, according to Mashable.com.

Pod2g outlines on his blog that the flaw has existed since SMS began on the iPhone, and is still found in iOS 6.

“Anything you can imagine that can be utilized to manipulate people, “says Pod2g in the post. “Letting them trust somebody or some organization texted them.”

Mashable.com said Monday that “the iPhone is particularly susceptible to spoofing because it uses information in the “Reply To” field to determine the origin of a message. That means someone can send you a message that appears to come from a friend, but then deliver your responses to another address.”

Apple has suggested its customers use iMessage. “When using iMessage instead of SMS, addresses are verified, which protects against these kinds of spoofing attacks…One of the limitations of SMS is that it allows messages to be sent with spoofed addresses to any phone, so we urge customers to be extremely careful if they’re directed to an unknown website or address over SMS.”

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