Someone’s Been Siphoning Data Through a Huge Security Hole in the Internet

Thursday, December 5, 2013
By Paul Martin

BY KIM ZETTER
Wired.com
12.05.13

In 2008, two security researchers at the DefCon hacker conference demonstrated a massive security vulnerability in the worldwide internet traffic-routing system — a vulnerability so severe that it could allow intelligence agencies, corporate spies or criminals to intercept massive amounts of data, or even tamper with it on the fly.

The traffic hijack, they showed, could be done in such a way that no one would notice because the attackers could simply re-route the traffic to a router they controlled, then forward it to its intended destination once they were done with it, leaving no one the wiser about what had occurred.

Now, five years later, this is exactly what has occurred. Earlier this year, researchers say, someone mysteriously hijacked internet traffic headed to government agencies, corporate offices and other recipients in the U.S. and elsewhere and redirected it to Belarus and Iceland, before sending it on its way to its legitimate destinations. They did so repeatedly over several months. But luckily someone did notice.

And this may not be the first time it has occurred — just the first time anyone has noticed.

Analysts at Renesys, a network monitoring firm, said that over several months earlier this year someone diverted the traffic using the same vulnerability in the so-called Border Gateway Protocol, or BGP, that the two security researchers demonstrated in 2008. The BGP attack, a version of the classic man-in-the-middle exploit, allows hijackers to fool other routers into re-directing data to a system they control. When they finally send it to its correct destination, neither the sender nor recipient is aware that their data has made an unscheduled stop.

The stakes are potentially enormous, since once data is hijacked, the perpetrator can copy and then comb through any unencrypted data freely — reading email and spreadsheets, extracting credit card numbers, and capturing vast amounts of sensitive information.

The Rest…HERE

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