Internet Security and Programming

Last week, Security Fix examined new research suggesting that some major Internet service providers are exposing their customers to security flaws when they redirect wayward Web surfers to ad-filled pages. I’m revisiting this controversial practice because another major provider of these services (for one of the nation’s largest ISPs) was found to be similarly vulnerable. As noted here last week, Earthlink and a few other ISPs are using a service from a U.K. company called BareFruit, which helps ISPs redirect users to ad-filled pages when they either request a Web site that does not exist or when they mistype a real domain, e.g., ww.example.com (notice the missing “w”). Researcher Dan Kaminsky found that BareFruit’s servers contained a security flaw that would have made it easy for hackers and scammers to trick the ISP’s customers into visiting phishing sites or downloading malicious software. Kaminsky presented evidence that Verizon was among […]

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