Cockroaches v. Unicorns - The golden age of cybersecurity startups

Many security startups are not unicorns; rather, they are cockroaches — they rarely die, and in tough times, they can switch into a frugal/consulting mode. Like cockroaches, they can survive long nuclear winters. Security companies can be capital-efficient, and typically consume ~$40 million to reach break-even. This gives them a survival edge. But is that enough?