FILTERING- to block or omit certain pieces of information or ideas with the intention of keeping that information/idea from a certain establishment, group, or organization

“But it didn’t take long to see the futility of these responses. GNR science doesn’t require huge labs. You might not be able to conceal the work in Manhattan, but you could easily hide it in the vast wilds of, say, Montana. Moreover, a great deal of important work would be lost if the government filtered everything- as would the essence of a free society.”

Wired Magazine- Insanely Destructive Devices (Trying to defend against self-replicating weapons of mass destruction) by Lawrence Lessig, pg 4