Peek inside Umbrella: “Sender rank” model

February 28, 2017

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Learn how the Umbrella sender rank model seeks out attackers that are hiding behind the “Hailstorm” spamming technique, and proactively leverages this data to predict and block future domains that are used for malicious activities. For more information, see the related post in our engineering blog: https://blog.opendns.com/2016/12/19/in-the-eye-of-hailstorm/

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