Blogger and security researcher Chloe spent a month tempting unscrupulous Tor exit nodes with a vulnerable honeypot website to see if anyone was looking for passwords to steal. In all, the trap sprung for twelve exit nodes, raising a finger of suspicion for them and reminding us that you cant get complacent about security even if youre using Tor. Anyone who runs an exit node can read the traffic passing through it. Dan Egerstad set up five Tor nodes in 2007 to intercept thousands of private emails, instant messages and email account credentials.”]
Source: https://nakedsecurity.sophos.com/2015/06/25/can-you-trust-tors-exit-nodes/