[dredmorbius]

Among other possiblities: working with independent assets for whom some modicum of tradecraft is advisable, but who would not able to attain standard clearances, and for whom the fact that the content is openly available online might itself serve as plausible cover should it be determined they've viewed or accessed it.

There's also the open source (software, not intelligence) model of many eyes and being able to achieve open review of techniques.