Blackwell Security
2 known investors
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Ostra Security provides managed cybersecurity services combining tools, proprietary technology, and expert talent to deliver enterprise-grade threat detection, hunting, and remediation for businesses of all sizes. The company aims to make cybersecurity accessible and transparent by offering Fortune 100-level protection without requiring large in-house security teams.
Founders & leadership

Investors · 2
How we know: Rally Ventures Management, Llc's portfolio page · funding news · cioinfluence.com · the VCSheet dataset · Not right? Tell us
How we know: funding news · cioinfluence.com · Not right? Tell us
Funding
SEC filings, press & company announcements$13M disclosed across 1 round · 2024
- $13MraisedMay 2024 · 4 sources
General Catalyst (lead), Rally Ventures (lead)
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does Blackwell Security do?
- Ostra Security provides managed cybersecurity services combining tools, proprietary technology, and expert talent to deliver enterprise-grade threat detection, hunting, and remediation for businesses of all sizes. The company aims to make cybersecurity accessible and transparent by offering Fortune 100-level protection without requiring large in-house security teams.
- Who founded Blackwell Security?
- Blackwell Security was founded by Michael Kennedy.
- Who are Blackwell Security's investors?
- Blackwell Security's investors include Rally Ventures Management, Llc, General Catalyst.
- How much funding has Blackwell Security raised?
- Blackwell Security has disclosed $13M raised across 1 round.
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