I think you mean in the sense of unsolved mysteries?
The Metcalf attack was most likely done by CWA union employees, who were in a labor dispute with AT&T at the time. Two fiber vaults had AT&T fibers cut, and the Metcalf station was the primary source of power for the SNJSCA02 central office.
The Metcalf attack was most likely done by CWA union employees, who were in a labor dispute with AT&T at the time. Two fiber vaults had AT&T fibers cut, and the Metcalf station was the primary source of power for the SNJSCA02 central office.
Two years later DHS indicated during an energy conference they had not identified the exact attacker but believed it was an insider. https://money.cnn.com/2015/10/16/technology/sniper-power-gri...