I’ve been writing about great business models lately. How’s this for one: ransomware-as-a-service (RaaS). RaaS enterprises provide hackers with the tools and support they need to hack into businesses and hold them for ransom. For example, the Colonial Pipeline Co’s fuel pipelines were hacked last week using the tools of a RaaS provider called DarkSide. REvil is another RaaS business. The RaaS providers make it easy for their “affiliates”, as they call them. They train them on the tools. They provide a slick dashboard to keep tabs on how hacks are progressing. They make threatening calls to the victims, and…