Blackwell Security is a managed extended detection and response (XDR) for healthcare organizations, headquartered in Ann Arbor, United States.
| Date | Round | Amount | Investors |
|---|---|---|---|
| 2025-02-24 | Other | Undisclosed | AWS Startups, CrowdStrike |
| 2024-05-06 | Seed | $13M | General Catalyst, Rally Ventures |
Blackwell Security was acquired by Ostra Cybersecurity (2025-08-07).
Data from The Signal by Return on Security — cybersecurity funding, M&A activity, and company intelligence.