Does anyone have pointers to the forums where these services are discussed?
Blackhatworld is the only one I know of, any others?
Blackhatworld is the only one I know of, any others?
Don't expect HN-level discourse though, it's a mess.
Typically, there are different tiers and the higher your reputation, the more content and channels you have access to.
There used to be raidforums as a big one before being seized by LE but it's not hard to imagine that another forum sprung up to fill the void that RF left behind.
Krebsonsecurity blogs about transactions on some of these (often in Russian language) forums although I don't know if he mentions them by name.