
Ostra Security
Ostra Security is a cybersecurity company specializing in Security Operations, founded in 2018 and headquartered in Eden Prairie, United States. It has raised $17.1M in equity across 3 priced rounds, plus $350K convertible & hybrid · $705K debt & credit, employs about 28 people, and is privately held.
updated Sep 12, 2026
Latest Ostra Security news and company activity
What Ostra Security did, dated — selected moves from the record, one per kind, newest first.
- Aug 2025Funding roundOstra Security Completes Series A Round and Acquires Blackwell Security
4 events tracked since Oct 2023 · selected events shownUnlock the complete Ostra Security timeline
Ostra Security Momentum score
35/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Ostra Security funding
Ostra Security has raised $17.1M in priced equity, plus $350K convertible & hybrid · $705K debt & credit. Its most recent round was a Series A in June 2025.
- Equity raised
- $17.1M3 priced rounds
- Last round
- Series AJun 2025
- Other instruments
- $350K convertible · $705K debt
Ostra Security employees and hiring
Ostra Security has about 28 employees, with 1 open roles.
- Employees
- 28
- 30-day change
- 0%
- Open roles
- 1
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs1 live postings, role mix
- Tech stackframeworks, clouds, security



