He said mischievous hackers can install their own cell phone towers to intercept your calls before passing them on to the real mobile carrier. These “man-in-the-middle attacks,” he said, let hackers eavesdrop, but they can also alter the conversation you’re having, without your knowledge.
“You send a text saying ‘I love you,’ and he (the hacker) says, ‘I want to break up with you.'” Or worse than that, Markus said, you could be doing business — maybe the hacker would change “sell it all” to “buy it all,” with potentially huge ramifications.
The hackers who attend DEF CON — now in their thirties instead of their teens as they were at the start of the hacker movement — hope, in a strange way, that by teaching people about hacking they will make the tech world safer.
via DEF CON: The event that scares hackers – CNN.com.
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