Contrast this with TradeHill which recently announced a two-factor login option powered by DUO Security. I'll take a guess and say that tptacek at least knows w

Contrast this with TradeHill which recently announced a two-factor login option powered by DUO Security. I'll take a guess and say that tptacek at least knows who runs DUO :-). https://www.tradehill.com/ https://www.tradehill.com/ http://www.duosecurity.com/about http://www.duosecurity.com/about