20 hippos trying to get through a revolving door

Graham Cluley
@gcluley

Distributed Denial of Service (DDoS) attacks have been hitting the headlines more than normal in the last week following a number of high profile news stories. 

For those who don’t know, a DDoS attack is when compromised zombie computers around the world are instructed by a hacker (known as the botmaster) to flood a website with traffic. The website can become so swamped with traffic from computers based around the globe that it can be slowed down considerably, or even made utterly inaccessible by the outside world. 

If it makes it easier to picture it, think of 20 hippos trying to get through a revolving door – the whole thing gets clogged up, and no-one is able to get in or out.

DDoS attacks are frequently used for blackmail.  We have reported in the past on some of the Russian hackers who have been sentenced for…

Read more in my article on the Naked Security website.

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Graham Cluley is a veteran of the anti-virus industry having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent security analyst, he regularly makes media appearances and is an international public speaker on the topic of computer security, hackers, and online privacy. Follow him on Twitter at @gcluley, or drop him an email.