Where can I buy Aura coins?

Could you please elaborate on where individuals interested in acquiring Aura coins might find a reliable source for purchasing them? With the increasing popularity of cryptocurrencies, it's essential to ensure that investors are purchasing from trustworthy platforms. Is there a specific exchange or marketplace you would recommend for the purchase of Aura coins? Also, what factors should investors consider when choosing a platform to buy Aura coins, such as security, fees, and ease of use? Your guidance in this matter would be greatly appreciated.