Last week we looked at reports from China and Israel about a new “Internet of Things” malware strain called “Reaper” that researchers said infected more than a million organizations by targeting newfound security weaknesses in countless Internet routers, security cameras and digital video recorders (DVRs). Now some botnet experts are calling on people to stop the “Reaper Madness,” saying the actual number of IoT devices infected with Reaper right now is much smaller.
Arbor Networks said it believes the size of the Reaper botnet currently fluctuates between 10,000 and 20,000 bots total. Arbor notes that this can change any time.
Reaper was based in part on “Mirai,” IoT malware code designed to knock Web sites offline in high-powered data floods, and an IoT malware strain that powered most of the largest cyberattacks of the past year. So it’s worrisome to think someone may have just built an army of a million IoT drones that could be used in crippling, coordinated assaults capable of wiping most networks offline.
If criminals haven’t yet built a million-strong botnet using the current pool of vulnerable devices, they certainly have the capacity to do so.
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