Yes security is very important for exchange users, of course user accounts will be more difficult to break by installing two-factor avoiding also from hackers who are very evil, it is very important
You're right. You need to pay a lot of attention to protection against hacker attacks. Such provocations cause very strong damage to the image of the exchange. For example, the same Cryptopia was not able to regain its position after it was attacked by hackers.
This can happen with any project, you just need to have a good security system so as not to rake up such problems in the future.