Horizon3
Horizon3 is a provider of an AI-native proactive security platform. From its funding announcement.
In their own words
What Horizon3 says it is doing
Public signal Described in the funding announcement as "provider of an AI-native proactive security platform". Source
Public signal Read from the company's own description of what the funding supports.
Why now
Where Horizon3 is today
Horizon3 announced a Series E round of $250M on 3 August 2026, led by NightDragon and NEA.
Momentum AfterRaise intelligence
AfterRaise Score
- Hiring momentum Open roles and hiring pace
- Market expansion New offices and new countries
- Leadership Executive appointments
- Product activity Launches and releases
Since the raise
What has happened since
- 3 August 2026$250M Series ELed by NightDragon and NEA.
Public signal The timeline currently holds funding events, because those are the signals AfterRaise observes today. Hiring, leadership, expansion and product events join it with the signals layer.
What may happen next
What this raise could create
What may happen next
- Asia market entry
- New market entry
- First local hires in the new market
- Local entity and legal setup
Opportunities this could create
- Channel partnerships
- Enterprise sales
- Security research hiring
- Threat intelligence partnerships
- Market-entry advisers
Based on the Cybersecurity sector, a Series C+ round and the priorities the company itself set out. Not a statement of fact.
- 3 August 2026$250M Series E announced
- 3 August 2026Stated priority: market expansion
- 3 August 2026Stated priority: product
- 3 August 2026Stated priority: commercial growth
- 3 August 2026Stated intent: asia expansion AfterRaise intelligence
High momentum means several meaningful company changes have occurred in a short period. Signals here are funding events and the priorities the company stated; hiring, leadership and expansion detection join with the signals layer.
Open to
What Horizon3 is open to
Not yet specified
Horizon3 has not told AfterRaise which approaches it welcomes. Until it does, we do not assume. Offers to help are held and shown to the company, and the company decides whether to open a conversation.
Work here? Set your preferencesOpportunities
Ways to work with Horizon3
No open opportunities listed
Jobs, projects, partnerships, advisory and supplier needs appear here once the company has claimed its page and published them, and any role we read from its own job board appears automatically.
Work here? Open the first oneHelpful contributors
People who have contributed here
Nobody yet
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