https://www.bleepingcomputer.com/news/security/ransomware-gangs-use-seo-poisoning-to-infect-visitors/ > Researchers have spotted two campaigns linked to either the REvil ransomware gang or the SolarMarker backdoor that use SEO poisoning to serve payloads to targets. > SEO poisoning, also known as "search poisoning," is an attack method that relies on optimizing websites using 'black hat' SEO techniques to rank higher in Google search results.