At Defcon, hackers get their own private cell network: Ninja Tel

The WiFi at the annual Defcon hacker conference has long been inhabited by a battery of live and automated mischief makers that sniff packets, scan ports, and exploit whatever weaknesses can be found. Last year, cellular networks were also rumored to be compromised, raising the question: How does one stay both safe and connected at the Las Vegas-based confab?

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