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A Day in the Life of an International Hacker

In a small, one-bedroom flat in the working class city of Kharkiv, in the former Soviet Union, Dmytro Kozel was surfing the Internet for universities and colleges in the U.S. As a young student in the Ukraine, Kozel had more than a passing interest in advanced education. But he wasn't...

By Dean Goodwin | Updated on September 30, 2013

In a small, one-bedroom flat in the working class city of Kharkiv, in the former Soviet Union, Dmytro Kozel was surfing the Internet for universities and colleges in the U.S. As a young student in the Ukraine, Kozel had more than a passing interest in advanced education. But he wasn’t interested in enrolling in online classes; tonight, he wanted to break into the network of a large U.S. state university.

The university was using a Linux Unix machine and Kozel entered the server by establishing a “null session.” Null is a Microsoft utility that allows services to communicate with one another without user passwords or identification. By logging on as null, he was able to capture everything he wanted to exploit: password files, user accounts and network services. None of his actions were logged or tracked by the server.

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