This month the number of Distributed Denial of Service (DDoS) attacks increased, but many seemed not to be motivated primarily by financial gain, according to a report from the Internet Crime Complaint Center. Free open source tools and low-rent botnets have made it easier and cheaper for attackers to carry out these types of attacks, and many organizations are prepared to defend themselves against a full-blown DDoS attack. You can read more about this disturbing trend here:
http://www.scmagazineus.com/ddos-attacks-rise-in-number-thanks-to-free-tools/article/207600/