In 2004, the global cybersecurity market was worth $3.5 billion — and by 2017 it will be worth at least 35X that amount, according to numerous estimates from market researchers and analysts.

Cybersecurity is one of the fastest growing and largest technology sectors. Four predictions from Cybersecurity Ventures frame the cybersecurity economy over the next five years, from 2017 to 2021. (Disclaimer: Steve Morgan is founder and CEO of Cybersecurity Ventures.)