ZeroAccess Botnet: Is It Preparing Its Next Attack?

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In December 2013, Microsoft Digital Crimes Unit, Europol, the FBI, and other technology companies sought to take down one of the world’s largest botnets named ZeroAccess (also known as max++ or Sirefef). While the collaboration led to the disruption of ZeroAccess, the takedown was not fully successful as several servers hosting botnet’s command & control (C&C) continued to remain active.

Ever since its discovery several years ago and leading up to 2013, over two million computers globally had been infected. This led to search results from Google, Bing, and Yahoo! being hijacked, which redirected infected users to malicious websites and in turn, impacted the advertising revenue stream on these search providers. In fact, it is estimated that the cost of click fraud, as a result of ZeroAccess, was upwards of $2.7 million each month for online advertisers.
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Is Your PC a Zombie?

Is Your PC a Zombie

Millions of spam messages are sent each day. Hundreds and thousands of computers take part in a distributed denial of service (DDoS) attack against a single Website. The scary part is the fact that your computer may be doing all these things without your knowing anything about it. Your computer may be a zombie and operating as part of a botnet.
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Online Threats 101

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The Internet has proven to be a powerful and useful tool for billions of people worldwide. However, in the same way that you shouldn’t leave your house unlocked, you shouldn’t venture online without taking some basic precautions. Where do you start? Learn more about online threats and ways to protect yourself.
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