One of #cloudflare’s customers was recently hit by a distributed denial-of-service (DDoS) attack that appeared to leverage a mobile ad network and malicious JavaScript.
JavaScript-based DDoS attacks have been classified as Layer 7 attacks because they rely on apparently legitimate HTTP requests. Experts have been warning about the possibility of such attacks since 2010, but they’ve recently become a reality and are becoming increasingly problematic.
In April, researchers revealed the existence of a new #tool used by the #chinese government for censorship enforcement. The tool, dubbed “#great cannon,” relies on malicious JavaScript injected into unencrypted traffic in order to launch DDoS attacks against targeted websites. A different #ddos attack leveraging JavaScript was reported last week when an Imgur vulnerability was exploited to disrupt the imageboard 8chan.
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