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[| 11:04 PM 12/5/2001 -0500, No Subject Page 1 of 2 Date: Wed, 05 Dec 2003 23:04:17 -0500 b6 -2,5 bIC -2,5 Subject: Sen To: Ce: X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0 Hey look, we're famous! Is there any further information on the nature of the problem? http: //news .excite.com/news/ap/011205/18/worldcom-security WASHINGTON (AP) - A security hole at telecommunications giant Worldcom left internal networks at several of the nation's top companies open to hackers, according to Worldcom and the security researcher who discovered the problem. Adrian Lamo, a consultant in San Francisco, worked with Worldcom to fix the months-old problem over the weekend, and the company said there is no evidence hackers exploited the security hole. Internal networks belonging to AOL Time Warner, Bank of America, CitiCorp, News Corp., JP Morgan, McDonald's Corp., Sun Microsystems and many other companies were vulnerable, he said. "These networks were never designed to be connected to the Internet," Lamo said. "They were private circuits running between locations." The security problem could have allowed hackers to reconfigure or shut down the corporate networks, also known as intranets, that are used for everything from e-mail to financial transactions. Worldcom spokeswoman Jennifer Baker said none of Worldcom's customers were affected. "Adrian worked very cooperatively with us throughout the weekend," Baker said. "It was a human error on a router." A router is a device that serves as a traffic light for messages on computer networks. be -2 b7C -2 FBI(19-cv-1495)-2149