22 corrupted exit nodes found to be tampering with data.
http://www.tomsguide.com/us/spoiled-onions-tor-network,news-18237.html#xtor=RSS-980
Tor only has 1000 exit nodes? One would hope there would be more, but I guess the added scrutiny that exit node maintainers receive from ISPs and the authorities must limit that number.
I'd be interested to hear just how successful these bad nodes were at sabotaging SSL and HTTPS.