AI cybersecurity startup
Appears in 1 story · Last updated Oct 1, 2026
As of October 2026: Holds record for largest cybersecurity Series A
Horizon3.ai crossed a $2 billion valuation August 3 with a $250 million Series E, tripling its valuation from $650 million in 14 months. The oversubscribed round, co-led by NightDragon and NEA, extended a run of large-check deals that began with Exaforce's $125 million Series B in May.
Updated Oct 1
No stories match your search
Try a different keyword
How would you like to describe your experience with the app today?
