# Armadin raises USD 255.5 million Series B at valuation exceeding USD 2.5 billion

According to Unite.AI, on 2026/10/1, AI-native cybersecurity company Armadin raised USD 255.5 million in Series B funding at a valuation exceeding USD 2.5 billion, co-led by Andreessen Horowitz and Accel, with Bain Capital Ventures, Redpoint and others participating. It validates attack paths for enterprises through autonomous agent attack swarms, serving Fortune 500 companies and government customers. Total funding reached USD 445 million. Travis Lanham, Evan Peña and David Slater co-founded the company.



Canonical: https://uniquebase.ai/news/c94ea6c6-2d10-40fa-99a6-b8d965069f72
Stable identifier: c94ea6c6-2d10-40fa-99a6-b8d965069f72
Snapshot captured: 2026-10-16T01:38:14.029Z
English updated: 2026-10-16T01:39:38.749Z

## Connected profiles

- [8VC](/institutions/8vc)
- [Accel](/institutions/accel)
- [Andreessen Horowitz](/institutions/andreessen-horowitz)
- [Armadin](/companies/armadin)
- [Bain Capital Ventures](/institutions/bain-capital-ventures)
- [Ballistic Ventures](/institutions/ballistic-ventures)
- [Google Ventures](/institutions/google-ventures)
- [In-Q-Tel](/institutions/in-q-tel)
- [Kleiner Perkins](/institutions/kleiner-perkins)
- [Menlo Ventures](/institutions/menlo-ventures)
- [Redpoint Ventures](/institutions/redpoint-ventures)

## Sources

- https://www.unite.ai/armadin-raises-255-5m-series-b-at-over-2-5b-valuation-to-scale-its-agentic-security-platform/