The protection of stock exchanges is much more seriouse that the protection of cryptocurrency exchanges. That is why the stock exchanges were not hacked and cryptocurrency exchanges were hacked many times.
Yes, it seems so far that stock exchanges are more important, because there are tradable assets of companies that affect life on the whole planet. But soon, perhaps within 10 years, crypto will so integrated into real life, which will become no less important. Therefore, it is necessary to increase the security of crypto.
As mr Robot says you have to hack people an antivirus wont save you if you put your birthday as password in the production servers, of course is important a good antivirus but educate people is better option longterm, my BCT account was hacked and that was my fault you know, a brute force algorithm make it because my password were words in the dictionary