This seems like an excellent interviewing technique if you invert the results. If someone actually lets you install spyware on their machine, they fail. If they

This seems like an excellent interviewing technique if you invert the results. If someone actually lets you install spyware on their machine, they fail. If they raise no concerns about access to reference materials, they fail. The ones that pass would be security conscious and outspoken about how good software is written. ... well, except that it would be exceptionally adversarial.