Dario is big on beating china, and no doubt he believes cyber security is how to do that. You can tell, but anthropic is sht at everything else. Nobody uses it for real research.
Software already exists that has been written by Claude. They absolutely are selling the means to write software, and the means to securing the insecure software. At least for the time being. In the future Mythos will probably just make it possible to prompt good software from the start.