Cybersecurity Startup Horizon3 Raises $250 Million

Cybersecurity startup Horizon3 raised $250 million, valuing it at $2 billion — triple its worth 14 months ago. Investors NightDragon and NEA returned to back the round. The company nears $100 million in yearly revenue, growing 120% annually. Its product, NodeZero, acts like a hired hacker safely testing a company's digital defenses, running 310,000 tests with zero disruptions.