How secure is BitMart?

I'm curious about the security measures implemented by BitMart. Can you elaborate on the steps they take to protect user funds and prevent potential breaches or hacks? Do they employ multi-factor authentication, cold storage for cryptocurrencies, and regular security audits? How does their security infrastructure compare to other major cryptocurrency exchanges in the industry? Are there any recent incidents or vulnerabilities that have been reported and addressed by BitMart? I'd appreciate a comprehensive overview of their security protocols and practices.