https://arstechnica.com/information-technology/2019/10/whatsapp-suit-says-israeli-spyware-maker-exploited-its-app-to-infect-1400-users/

Facebook and its WhatsApp messenger division on Tuesday sued Israel-based spyware maker NSO Group. This is an unprecedented legal action that takes aim at the unregulated industry that sells sophisticated malware services to governments around the world. NSO vigorously denied the allegations.