# Blackwell Security

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/blackwell-security

- Industry: IT Security/Cybersecurity
- Headquarters: Ann Arbor, US
- Website: www.blackwellsecurity.com
- Total disclosed funding: $13M
- Latest round: Series A (May 7, 2024)
- Investors on record: 2

## About

Based in Michigan, US, and founded in 2023 by co-founders Jason Miller and Jason Lee, Blackwell Security, Inc. operates as a provider of cybersecurity management services, offering protection and compliance solutions to healthcare providers. In August 2025, Ostra Cybersecurity, Inc., a portfolio company of General Catalyst Partners, Rally Ventures, acquired Blackwell Security, Inc. from General Catalyst Partners and Rally Ventures. Financial terms of the transaction were not disclosed. As of 2024, the company is led by its CEO, Geyer Jones. The company provides a wide range of cybersecurity services to healthcare providers, such as managed detection and response (MDR), consulting and advisory services, cloud security posture management, incident response, endpoint security, vulnerability scanning, and security information and event management. Moreover, the firm offers discovery and managed risk services, connected medical device and IoT security, data loss prevention, and attack surface discovery management. Additionally, the company also provides healthcare-specific services through their 24/7 Cyber Fusion Center, which includes personalized healthcare intelligence, continuous monitoring, and proactive threat response. The acquisition aims to support Ostra Cybersecurity, Inc.’s development of its capabilities by the help of Blackwell Security, Inc.'s technologies.

## Funding rounds

- Series A, May 7, 2024, $13M — General Catalyst Partners, Rally Ventures

## Investors

- General Catalyst Partners (https://capitalatlas.ai/funds/general-catalyst-partners) — Series A
- Rally Ventures (https://capitalatlas.ai/funds/rally-ventures) — Series A