ICO is a relatively new way of attracting investor's money which can provide good profit. However, the market is abundant of scam ICOs who just recieve money and deceive users. How to detect fraudulent ICO? What are signs that can indicate scamming nature of the project? They include, in particular, the abcense of data about legal entity/license, simple website, and loud statements.
You can read full guide here: https://cryptoinfobase.com/what_is_ico/