BETHPAGE, N.Y., Nov. 30, 2011 /PRNewswire/ -- Cablevision Systems Corporation (NYSE: CVC) is alerting customers that it experienced a Distributed Denial of Service (DDoS) attack on the Optimum Online network during the evening hours Tuesday night. The company announced that the attack has been remediated and resolved. It began at approximately 6 p.m. Tuesday and was resolved shortly after midnight, when all service returned to normal.
The attack Tuesday night caused a disruptive increase in automated requests on a portion of the network, which impacted the ability of some customers to access certain websites and other Internet services.
DDoS attacks have been directed at several leading technology companies in recent months. Cablevision is continuing to investigate the cause of the attack.
Cablevision Systems Corporation is one of the nation's leading media and telecommunications companies. In addition to delivering its Optimum-branded cable, Internet, and voice offerings throughout the New York area, the company owns and operates cable systems serving homes in four Western states. Cablevision's local media properties include News 12 Networks, MSG Varsity and Newsday Media Group. Cablevision also owns and operates Clearview Cinemas. Additional information about Cablevision is available on the Web at www.cablevision.com.