How to deposit money in BitMEX?

Could you please elaborate on the steps required to deposit funds into BitMEX? Is there a specific process I need to follow, or are there multiple options available? Additionally, are there any fees associated with depositing money, and if so, what are they? I'm particularly interested in knowing how to ensure a smooth and secure transaction. Could you also provide some insights into the recommended methods of depositing funds, considering security and convenience?