How to buy RUNE on THORChain?

Could you please elaborate on the steps involved in purchasing RUNE tokens on the THORChain platform? I'm interested in understanding the process from start to finish, including any prerequisites or specific considerations that might be necessary. Additionally, could you also provide insights into the security measures THORChain takes to protect users' funds and transactions? It would be helpful if you could include any recommendations or best practices for a smooth and secure purchase experience. Thank you for your assistance in this matter.