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Homeland Security and Commerce Departments release botnets report

Photo: Westend61/Getty

The Departments of Homeland Security and Commerce released an eagerly awaited report on botnets today, networks of hacked devices used in other attacks — President Trump ordered the report on botnets as part of a cybersecurity executive order just over a year ago.

Why it matters: The Mirai botnet famously downed Twitter, the New York Times, Netflix and Etsy among others when it overloaded a critical internet juncture point with traffic in 2016. That type attack is known as a denial of service. Before denial of service attacks, botnets were used in massive spam operations.