some ico legit some ico scam. do your research before you invest On ICO..
 you can reduce our risk by analyzing the ICO a lot
-whitepaper (planning and explain about the company)
- who is founder and developer
- who is advisornya
-how about roadmap
- Is this coin still legit on 1, 5 10 year later
- any coustomer service? telegram group??
-etc

i have Link to reduce risk of ico.  https://www.sec.gov/news/public-statement/statement-clayton-2017-12-11.
Good Luck