Ostra Cybersecurity is a managed security services provider (MSSP), headquartered in Eden Prairie, United States, founded in 2018.
| Date | Round | Amount | Investors |
|---|---|---|---|
| 2025-08-07 | Series A | Undisclosed | General Catalyst, Rally Ventures, Capital Four |
| 2025-06-23 | Growth Stage | $2.6M | General Catalyst, Jeff Cowan, Rally Ventures |
| 2025-06-20 | Series A | $9.5M | General Catalyst, Rally Ventures, Capital Four |
| 2024-04-08 | Series A | $4.1M | Rally Ventures |
| 2023-10-31 | Series A | $4.1M | Rally Ventures, Jeff Cowan |
| 2022-11-16 | Series A | $3.5M | Rally Ventures, Jeff Cowan |
| 2022-09-12 | Series A | $3.5M | Rally Ventures, Jeff Cowan |
| 2020-01-28 | Growth Stage | $705K | Undisclosed |
| 2020-01-14 | Growth Stage | $350K | Undisclosed |
| Date | Company | Amount |
|---|---|---|
| 2025-08-07 | Blackwell Security | Undisclosed |
Data from The Signal by Return on Security — cybersecurity funding, M&A activity, and company intelligence.