How can I buy ICP?

I'm curious about investing in the world of cryptocurrency and have my sights set on ICP. Could you guide me on the process of purchasing ICP? Could you explain what platforms or exchanges I should consider using? Are there any specific steps I need to follow to ensure a secure transaction? Also, do you have any advice on managing risks associated with investing in ICP? I'm eager to learn more about this fascinating realm of finance and would appreciate your insights.