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§ Venture Capital · USA
Early-stage venture capital firm investing exclusively in cybersecurity and data science startups for enterprise security.
AllegisCyber Capital is an early-stage venture capital firm based in Palo Alto, California, that invests exclusively in emerging cybersecurity and data science startups. The organization provides strategic capital, deep domain expertise, and operational support to enterprise software companies developing advanced data protection, threat intelligence, and digital risk management technologies. Across its operating history, the firm has backed over 40 startups and closed 13 distinct investment vehicles, including a $227 million dedicated cybersecurity fund finalized in 2020. Its active investment portfolio features several notable enterprise security software companies, such as Dragos, Synack, and Shape Security. The firm generates financial returns for its limited partners through strategic equity exits, exemplified by the $162 million acquisition of its portfolio company Area 1 Security by Cloudflare in early 2022. AllegisCyber Capital was originally founded in 1996 by managing director Robert R. Ackerman Jr.
Key people at AllegisCyber Capital.
AllegisCyber Capital was founded in 1996 by Barry Weinman (Co-Founder & Managing Partner).
AllegisCyber Capital was founded in 1996 by Barry Weinman (Co-Founder & Managing Partner).
AllegisCyber Capital is a pioneering early-stage venture capital firm exclusively focused on cybersecurity investments. Its mission is to provide strategic capital and deep domain expertise to cyber startups from seed through early growth stages, enabling them to develop transformative security technologies. The firm’s investment philosophy centers on backing companies with proprietary technology and defensible market positions in cybersecurity and related data science fields. AllegisCyber Capital plays a critical role in the startup ecosystem by leveraging its unmatched industry knowledge, operational experience, and a global innovation platform to accelerate the growth and market access of emerging cyber companies[1][3][5].
Founded in 1996 and headquartered in Palo Alto, California, AllegisCyber Capital emerged from a team deeply embedded in cybersecurity innovation and investment for over two decades. The firm’s key partners include industry veterans with extensive backgrounds in building and operating cyber companies, which informs their hands-on approach to venture capital. Over time, AllegisCyber has evolved to become the world’s original cyber-focused venture firm, maintaining a singular focus on cybersecurity while expanding its investment scope to include enabling hardware, software, broadband, wireless delivery technologies, and internet platforms that serve emerging IT markets[1][3][7].
AllegisCyber Capital rides the accelerating trend of cybersecurity becoming a foundational pillar of the global digital economy. As cyber threats grow in sophistication and frequency, the demand for innovative security solutions is surging. The firm’s timing is critical, given the expanding attack surfaces across enterprises, governments, and consumers worldwide. Market forces such as increased regulatory scrutiny, digital transformation, and geopolitical tensions further amplify the need for robust cybersecurity technologies. AllegisCyber influences the broader ecosystem by identifying and scaling startups that address these urgent challenges, thus shaping the future of cyber defense and resilience[1][3][4].
Looking ahead, AllegisCyber Capital is poised to deepen its leadership in cybersecurity venture investing by continuing to back cutting-edge startups that leverage AI, data science, and next-gen infrastructure to combat evolving cyber threats. Trends such as zero-trust security, cloud-native protection, and supply chain risk management will likely shape its investment focus. The firm’s influence will grow as it expands its global network and operational support, helping startups not only secure capital but also achieve sustainable scale and market leadership. AllegisCyber’s unwavering commitment to “all cyber, all the time” positions it as a critical catalyst in the ongoing evolution of cybersecurity innovation[1][3][5].
Key people at AllegisCyber Capital.
AllegisCyber Capital has more than 26 tracked investments across 25 companies. The latest tracked deal is $10.0M Seed in Polygraf in October 2025.