Security startup Horizon3.ai is raising $100M in new round

Horizon3.ai, a cybersecurity startup that provides tools like autonomous penetration testing, is seeking to raise $100 million in a new funding round and has locked down at least $73 million, the company revealed in an SEC filing this week. NEA led the round, according to two people familiar with the deal. One person said that […]

May 29, 2025 - 10:00
Security startup Horizon3.ai is raising $100M in new round
Horizon3.ai, a cybersecurity startup that provides tools like autonomous penetration testing, is seeking to raise $100 million in a new funding round and has locked down at least $73 million, the company revealed in an SEC filing this week. NEA led the round, according to two people familiar with the deal. One person said that […]

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