Cybersecurity startup Armadin, founded by Mandiant veteran Kevin Mandia, has secured $255.5 million in a Series B funding round. The company’s valuation has now surpassed $2.5 billion, reflecting rapid growth just half a year after its previous capital raise.
Armadin introduces an automated defense approach tailored for the AI era, deploying continuous agentic swarms to uncover and patch network vulnerabilities. By simulating sophisticated cyberattacks proactively, the platform helps organizations protect their infrastructure against emerging automated threats.
- Secured $255.5 million in Series B financing
- Company valuation exceeds $2.5 billion
- Deploys always-on agent swarms for continuous security testing
- Backed by major investors including Andreessen Horowitz and Accel
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