We are here for money so with large amounts of money will always attract thieves, so accept these high risks if you want to make a lot of money. Don't worry technology and protection platforms are getting better and more safe for investors.
Yes, technologically cryptocurrency is becoming safer. But this does not mean that us need to relate to the security of our own crypto assets irresponsibly. Personally, I plan to buy Ledger NanoS or Tresor. Not yet decided which one is better.