Governments which cannot "break" Tor have two options:
o attempt to circumvent Tor itself by attacking vulnerable components in browsers, Tor node routers, etc.,
o attempt to perform confirmation attacks to deanonymize users without actually breaking Tor itself (probably an option only available to FVEY),
o attempt to spread FUD to dissuade dissidents from using Tor.
We appear to have here an instance of the third strategy.
Both the Snowden and Vault 7 leaks (of NSA and CIA cyberespionage techniques up to spring 2013 and fall 2016 respectively) imply that USIC cannot break Tor.
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