The word botnet or bot is short for robot network. A botnet is a group of Internet-connected personal computers that have been infected by a malicious application (malware) that allows a hacker to control the infected computers or mobile devices without the knowledge of the device owners. When malware is launched on your computer or mobile device, it “recruits” your infected device into a botnet, and the hacker is now able to remotely control your device and access all the data on your device.
A botnet can consist of as few as ten computers, or tens or hundreds of thousands. Millions of personal computers are potentially part of botnets. Computers that aren’t properly secured are at risk of being turned into bots, or zombies.
Consumers’ and small businesses’ relaxed security practices give scammers a base from which to launch attacks, by allowing them to create botnets without being detected. Hackers use botnets to send spam and phishing emails and to deliver viruses and other malware and thus make money.
Here’s a graphic that explains how your device could easily become a “zombie” computer or part of a botnet.
To stay protected, you should:
Don’t click on links from people you don’t know
Be cautious downloading content from peer-to-peer sites
Be wary of free downloads (is it really free?)
Keep your operating system and browser updated
Make sure you have updated security software for all your devices, like McAfee All Access
Robert Siciliano is an Online Security Expert to McAfee. He is the author of 99 Things You Wish You Knew Before Your Mobile was Hacked! (Disclosures)
About the Author
ROBERT SICILIANO, CEO of IDTheftSecurity.com is fiercely committed to informing, educating, and empowering Americans so they can be protected from violence and crime in the physical and virtual worlds. His "tell it like it is" style is sought after by major media outlets, executives in the C-Suite of leading corporations, meeting planners, and community leaders to get the straight talk they need to stay safe in a world in which physical and virtual crime is commonplace. Siciliano is accessible, real, professional, and ready to weigh in and comment at a moment's notice on breaking news.
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[...] The word botnet or bot is short for robot network. A botnet is a group of Internet-connected personal computers that have been infected by a malicious applicaÂtion (malware) that allows a hacker to control the infected computers or mobile devices without the knowledge of the device owners. http://robertsiciliano.com/blog/2013/03/21/what-is-a-botnet/ [...]
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