Criminal hackers are now going after phone lines, too

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Security providers that focus on digital communications started noticing an uptick in attacks on companies that manage digital phone call services this fall. Odd Andersen/AFP via Getty Images

Odd Andersen/AFP via Getty Images

Criminal groups have been sending threatening messages in the past couple of months to companies that manage broadband phone services all over the world, promising they’ll flood the digital phone lines with traffic and take them offline unless the targets pay a ransom.

What those extortionists have discovered is that the

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