The total number of data breaches in the U.S. rose 40% in 2016 to hit a record high according to the Identity Theft Resource Center. That's why research firm Markets and Markets believes that the global cybersecurity market will grow from $122.5 billion to $202.4 billion between 2016 and 2021.Within that market, next-gen firewalls -- which integrate traditional firewalls with network device filtering tools -- have been widely adopted by enterprise customers.