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December 23, 2013

The Changing Trends of DDoS Attacks

Distributed denial-of-service (DDoS) attacks certainly aren’t new. I’ve been talking about them for years. However, they have been changing. The traditional style of attack, the flood-the-target type that crashes a website, is still going strong. But now we are seeing an increase in application-layer attacks that have the same goal: Systems go down, resources are unavailable and the victim is scrambling to fix everything.

Recently, Vann Abernethy, senior product manager for NSFOCUS, talked to me about the changing DDoS landscape. Something he has noticed is how DDoS attacks are being used as smokescreens to cover up other criminal activity. He said:

In fact, the FBI warned of one such attack type back in November of 2011, which relies upon the insertion of some form of malware. When the attacker is ready to activate the malware, a DDoS attack is launched to occupy defenders. In this case, the DDoS attack is really nothing more than a smokescreen used to confuse the defenses and allow the real attack to go unnoticed – at least initially.  Considering that most malware goes undetected for long periods of time, even a small DDoS attack should be a huge red flag that something else may be going on.

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http://www.itbusinessedge.com/blogs/data-security/the-changing-trends-of-ddos-attacks.html