HOW CAN EXCHANGE HACKS BE PREVENTED?

As we know that,Japan and South Korea, two countries that experienced the largest security breaches in 2018, have already started to implement strict regulatory policies to establish industry standards regarding cryptocurrency exchange security.

The government of South Korea has chosen to regulate cryptocurrency exchange as banks, providing local financial agencies the authority to monitor and oversee crypto exchanges.
With stricter regulations and consistent monitoring of the security systems implemented by exchanges, authorities of Japan and South Korea expect the magnitude of security breaches in the cryptocurrency sector to decline over time.