Cisco estimates that mass attackers will rake in about US$300 million in profits this year. That’s a big drop from the $1 billion or so that criminals made each year in 2009 and 2010. The total number of targeted attacks has tripled over the past year and they are now costing organizations about $1.3 billion each year. Law enforcement has stepped up efforts against scammers and “a lot of the botnets have been shut down, taken down, disrupted and hassled””]
Source: https://www.csoonline.com/article/2128972/cisco–spammers-aren-t-making-money-like-they-used-to.html