Cybercrime industry worth more than US$10 billion worldwide annually, EU security agency says. European Network and Information Security Agency report says lack of coordination has allowed botnet controllers to build robust networks. Botnet code is often very robust, escaping detection from antivirus software. Those who control the herds of machines use many methods to stay anonymous, making it harder for security analysts and law enforcement to trace. The scale of the botnet problem has also been difficult to quantify due to the security industry’s tendency to under and overestimate the number of infected machines.”]
Source: https://www.csoonline.com/article/2127571/european-agency-warns-of-botnet-dangers.html