In 2019, the UK and Brazilian governments unmasked Tor users by intercepting 375GB of traffic coming in and out of a hidden service.

(reposted from /r/Tor)

[In late 2020, a p_do was caught after a tip from a "foreign law enforcement agency" alleged that he accessed a CSEM hidden service in May 2019](https://www.courtlistener.com/docket/60866339/united-states-v-stuart/), (see #44 in the above link). This was [one of nearly two dozen tips sent to the FBI regarding Tor users](https://www.courtlistener.com/?q=%22tor%20network%22%20%22foreign%20law%22&type=r&order_by=score%20desc&filed_after=05%2F05%2F2019), all alleging the same thing (#55 in the first link). The FBI deliberately kept the FLA's identity a secret for years, [only claiming in a related case that](https://casetext.com/case/united-states-v-bateman-22)

-the …

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