Where can I buy USDT in Korea?

I'm wondering, where exactly can I purchase USDT in Korea? I've been looking around but I'm still a bit unsure about the most reliable and secure platforms. Are there any specific exchanges or brokers that you would recommend for buying USDT in Korea? Also, it would be great if you could share some tips on how to safely carry out the transaction and avoid any potential risks. I'm quite new to this, so any advice would be greatly appreciated.