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Overview
What Ostra Security does: Ostra Security provides cybersecurity for small and medium-sized businesses, offering an affordable suite of data security solutions that are often only available to Fortune 500 companies. How it works: The company uses a proprietary, multi-faceted, plug-and-play infrastructure that delivers multiple security protections as one comprehensive solution, and it offers a free cybersecurity assessment. How it differs from competitors: It targets SMBs with enterprise-grade protection at an accessible price, combining multiple security layers into a single platform rather than relying on individual, standalone tools. What the goal is: To eliminate cyber risk for SMBs and enable them to focus on growth by simplifying cybersecurity.
About Ostra Security
Industries
Enterprise Software
Cybersecurity
Company Size
11-50
Company Stage
Series A
Total Funding
$12M
Headquarters
Minnetonka, Minnesota
Founded
2018
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Simplify's Take
What believers are saying
- Ostra raised its Series A extension to $9.5M on 2025-08-07.
- The company is still hiring SOC talent in July 2026, signaling active demand.
- Managed security for SMBs stays attractive because Ostra sells turnkey remediation, not alerts.
What critics are saying
- A $9.5M Series A leaves Ostra undercapitalized against CrowdStrike, Sophos, and Arctic Wolf.
- Blackwell integration after 2025-08-07 can distract teams and delay customer-service delivery.
- If SMB churn rises, Ostra’s managed-services model collapses before 2027 fundraising.
What makes Ostra Security unique
- Ostra combined SMB-focused managed security with Blackwell Security’s MDR platform on 2025-08-07.
- Andrew Tewksbury became CEO in February 2024 to build the go-to-market engine.
- Ostra’s Encompass and Extend bundles package SOC, SIEM, EDR, email, and training.
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Funding
Total Funding
$11.9M
Below
Industry Average
Funded Over
4 Rounds
Industry standards
Benefits
Hybrid Work Options
Growth & Insights and Company News
6 month growth
↓ -6%1 year growth
↑ 12%2 year growth
↑ 0%In a move that strengthens both scale and capabilities, Ostra also announced the acquisition of Blackwell Security, a cybersecurity company known for its advanced managed detection and response (MDR) platform and deep industry expertise.
Ostra Cybersecurity, a leading provider of world-class cybersecurity solutions for businesses of all sizes, recently welcomed Jackson Buelow as an Account Executive.
Ostra's Series A funding marks a new era of growth and commitment to customer excellence, fueled by innovative technology and dedicated human expertise.
A Minneapolis-based cybersecurity startup raised just over $4 million and named a new CEO. Its founder launched the business with an eye toward giving smaller businesses the sort of digital protection available to big companies.
Ostra hires Chris Pridemore as Security Operations Manager.
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About Ostra Security
Industries
Enterprise Software
Cybersecurity
Company Size
11-50
Company Stage
Series A
Total Funding
$12M
Headquarters
Minnetonka, Minnesota
Founded
2018
Ostra Security is Hiring for 1 Jobs on Simplify!
Find jobs on Simplify and start your career today