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Johann's Blog

What Is Loic?

LOIC ("Low Orbit Ion Cannon") is an application developed by 4Chan-affiliated hackers designed to—when used en masse by thousands of anonymous users—launch Distributed Denial of Service (DDoS) attacks on websites. Like Visa.com and Mastercard.com, for instance.

The idea behind LOIC is that it can allow you to participate in attacks even if you've no clue how to hack. Just download a copy of LOIC (available for Windows, Mac, and Linux!), punch in the target information like a URL or an IP address and zap.

The Windows version of LOIC has a "Hivemind" feature that lets you point your copy at an Internet Relay Chat server, allowing someone else—say, the Anon Admins behind Operation Payback, the campaign that is currently striking out against Visa, Mastercard, and other financial organizations in retaliation for their decision to stop doing business with Wikileaks—to control at what site all connected LOIC clients are aimed. And because it takes thousands of LOICs all pointed at a single site to make a real impact, letting a central administrator press the big button of website destruction makes the whole network more effective.

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