It depends on the company's trustworthy organization ICO.i has joined a lot of ICO, and I can always take my money, but you have to do a lot of research to find a safe ICO
Yeah you have to keep in view of all those circumtances. Risk are there always in term of investment not just an ICO but also you invest in anywhere that that's involved business. If you have planning to invest in an ICO you must search first about that ICO and be careful ,read a lot about the project, team and future developments and so on and so forth before you invest.