That's assuming NSA told the world (/ people who go around posting stories about their day-job to the internet) immediately after succeeding with the crack. Muc

That's assuming NSA told the world (/ people who go around posting stories about their day-job to the internet) immediately after succeeding with the crack. Much better opsec to wait a for a period at least as big as the time it took to crack, leaks less information about the magnitude of compute you can harness.