Sunday, September 18, 2011

Arbor: Badly Designed Firewalls Creates A DDoS Risk to MNOs

  
In an interview to ZDNet, Roland Dobbins, Arbor Networks Asia Pacific solutions architect, told Josh Taylor that "Mobile telcos that became "accidental" internet service providers (ISPs) through the rise of mobile broadband are more at risk of Distributed Denial of Service (DDoS) attacks than fixed broadband providers .. the TCP/IP side of mobile networks was mostly an afterthought for mobile telcos who found they'd become ISPs after the rise of smartphones such as the iPhone. He said that in order to keep the network secure, a lot of telcos put "stateful" firewalls or devices on their networks. This creates a potential DDoS point of attack allowing a bot to clog up the state table of a firewall and cause it to fall over".






See "DDoS risk plagues accidental ISPs" - here.

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