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reply"upgrade to cds. make no mistakes"
replyNo, my guess is cyber attack from a state we've been making false accusations against.
replySo, "We have met the enemy and he is us?"
replyCan you fill in the blanks here? My attempt: "China would never spy on us, but because of the implication they would put 50k of our citizens currently in the air in mortal danger"?
replyIt's not a credible thesis, at least not given the info we have. Tier 1 cyber enemies would have done something more subtle (so as not to trigger a kinetic warfare response or a response in kind) or something so obvious that they announce it with a declaration of war.
replyIt's far more likely that the creaky old civilian radar infra has problems or some old single point of failure (maybe an old mainframe) has/had downtime. There are 3 widely rumored causes of this FAA outage (with seemingly no evidence) related to projects that the Feds were already working on making: (1) an AI air traffic controller assistant, (2) migration to something newer than 1970s floppy disk tech, (3) migration away from radar to GPS for controllers).
All of these are more likely than a foreign cyber team attacking FAA systems in this way.