Is USDT safe now?

Could you please elaborate on the safety of USDT at the present moment? Given the volatile nature of the cryptocurrency market, it's crucial to understand the risks associated with holding USDT. Are there any recent developments or concerns that investors should be aware of? Additionally, how does the stability of USDT compare to other major stablecoins? Finally, what measures are taken to ensure the safety and security of USDT transactions? Your insights would be greatly appreciated.