A sudden increase in a particularly dangerous type of distributed denial-of-service (DDoS) attack could portend big trouble for companies, according to VeriSign Inc.
The Mountain View, Calif.-based company said that about 1,500 organizations worldwide were attacked earlier this year by unknown hackers who employed botnets and Domain Name System (DNS) servers to swamp networks with unmanageable torrents of data.
The attacks, which started on Jan. 3 and ended in mid-February, were notable because they employed an especially devastating kind of DDoS attack, said Ken Silva, VeriSign's chief security officer.
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Computer World