An interesting article from Dark reading in there Security Monitoring section:
In March, the massive avalanche of data that crashed down on Spamhaus, the maintainer of a number of spam blacklists, made headlines as the largest distributed denial-of-service attack witnessed to date.
Along with the ongoing campaign against financial institutions by a group of attackers calling themselves the Cyber Fighters of Izz ad-din Al Qassam, the attacks drove the bandwidth of the average distributed denial-of-service attack to nearly 50 Gbps during the first quarter of 2013, a sevenfold increase over the last three months of 2012, according to a quarterly report by DDoS mitigation firm Prolexic.
Yet, those large attacks are not the most significant denial-of-service threat for most companies, according to DDoS mitigation experts.
“The big gigabit, the big DNS reflection attacks–those get all the press, but the ones that are devastating are the ones that knock the application down,” says Vann Abernethy, senior product manager for NSFOCUS, a Beijing-based DDoS-mitigation and network-security firm.
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