Ostra Security, a prominent managed security services provider, has announced an extension of its Series A funding round, bringing the total raised to $9.5 million. This round is co-led by General Catalyst and Rally Ventures, with continued support from long-standing investor Jeff Cowan of CapitalFour. The additional funding will fuel talent acquisition, enhance technological innovation, and scale Ostra’s customized security service model designed to alleviate internal burdens on organizations striving for robust cyber protection.
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As part of its strategic growth plan, Ostra has acquired Blackwell Security, a cybersecurity firm known for its sophisticated Managed Detection and Response (MDR) platform and sector-specific expertise. This acquisition allows Ostra to integrate Blackwell’s flagship extended detection and response (XDR) solution, Pulse, into its own advanced managed security ecosystem. The result is a more comprehensive and proactive security framework for organizations navigating an increasingly complex threat landscape.
“Combining Blackwell’s top-tier MDR capabilities with our personalized service approach gives our clients unparalleled insight and control over their risk posture,” said Andrew Tewksbury, CEO of Ostra Security. “This marks a pivotal evolution in our journey toward delivering managed security solutions that drive real business outcomes.”
The collaboration between Ostra and Blackwell aims to resolve a pressing challenge for many businesses: managing cybersecurity complexity with limited internal resources. By merging their strengths, the two companies will offer an all-in-one, results-oriented security solution that enables organizations to focus on growth while maintaining resilient defenses.
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Tewksbury added, “Our mission isn’t just to patch today’s vulnerabilities. We’re reshaping how fast-growing companies secure their future. The integration of Blackwell empowers us to deliver even more impactful protection and clarity for our clients.”
The successful funding extension reflects growing investor confidence in Ostra’s direction and its ability to generate meaningful results in a cybersecurity sector often plagued by tool sprawl and ineffective implementations.
“Cybersecurity needs to shift away from reactive spending on tools with uncertain value,” said Mark Crane, Partner at General Catalyst. “Ostra’s outcomes-focused model equips IT leaders and board members with tangible confidence in their security stance. The acquisition of Blackwell further enhances Ostra’s already strong foundation, and we’re excited to support a company so committed to customer success.”
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Source: prweb
