How safe is Bitfinex?

Could you please elaborate on the safety measures employed by Bitfinex, considering its reputation in the cryptocurrency space? Are there any notable incidents in the past that have impacted its security? Additionally, how does Bitfinex compare to other major cryptocurrency exchanges in terms of safeguarding users' funds and assets? What measures does the platform take to prevent hacking attempts and unauthorized access? Lastly, are there any ongoing efforts or improvements being made to further enhance its security protocols?