Is USDT safe to trade?

As a trader interested in cryptocurrency, I've been hearing a lot about USDT lately. I understand it's a stablecoin pegged to the value of the US dollar, but I'm still a bit confused about its safety. With so many cryptocurrencies and exchanges being hacked these days, I'm worried about the security of my investments. So, my question is, is USDT safe to trade? Are there any known security vulnerabilities or hacks involving USDT that I should be aware of? And what measures can I take to ensure the safety of my USDT holdings? I'd appreciate it if you could provide some insights into this matter. After all, as a trader, it's crucial for me to understand the risks involved and take necessary precautions to protect my investments.