Cybersecurity has become one of the most durable venture categories in the market. Enterprises keep increasing security budgets regardless of the broader macro environment, and founders building in identity, cloud security, application security, and threat detection continue to find a deep bench of specialist and generalist investors willing to write checks. Below is a look at nine active US cybersecurity investors worth knowing in 2025, spanning seed through growth stage.
What Makes Cybersecurity Investors Different
Security is a technical, trust-driven category. The strongest cybersecurity investors typically employ partners with backgrounds in security operations, government intelligence, or enterprise IT who can evaluate a product's architecture and threat model, not just its go-to-market. If you're preparing to raise in this category, your pitch deck should speak fluently to buyer personas, compliance frameworks, and deployment models, since this is the first filter most cyber-focused partners apply. Many of these firms have also built in-house advisory networks of former CISOs and security operators who vet technical claims before a term sheet is even discussed, so founders should expect diligence calls that probe architecture decisions as rigorously as they probe the sales pipeline.
Leading US Cybersecurity VCs
Forgepoint Capital — Founded in 2015 by Alberto Yépez and Don Dixon, Forgepoint Capital is a premier sector-focused venture firm headquartered in the San Francisco Bay Area with a significant presence in London. The firm manages over $1 billion in assets and specializes in cybersecurity, artificial intelligence, and infrastructure software, investing across all stages from seed to growth. Forgepoint distinguishes itself through its Global Advisory Council, a network of over 100 industry leaders and former CISOs who provide proprietary market insights and technical validation for portfolio companies. This deep domain expertise is reflected in their proactive support for builders of the digital future. Notable portfolio companies include Huntress, a managed detection and response platform for SMBs that Forgepoint backed early and supported through its $40 million Series B; Bishop Fox, an offensive security firm where the partners were instrumental in vetting the executive team and scaling operations; and ReversingLabs, a leader in software supply chain security and malware analysis that has leveraged Forgepoint’s extensive CISO network for customer introductions and strategic growth advice. The firm also holds stakes in industry leaders like SentinelOne and Forescout through M&A activity.
Ballistic Ventures — Established in late 2021 and headquartered in San Francisco, Ballistic Ventures is a venture capital firm dedicated exclusively to early-stage cybersecurity innovation. The firm was launched by a 'supergroup' of industry titans, including Ted Schlein, Kevin Mandia, Barmak Meftah, Jake Seid, and Roger Thornton, who collectively bring decades of experience from firms like Kleiner Perkins and Mandiant. Ballistic focuses on funding and incubating startups at the seed and Series A stages, often partnering with founders pre-launch to help them navigate the complexities of the security market. The firm is distinguished by its 'founders backing founders' approach, offering startups unique access to a team that has founded or funded over 90 cybersecurity companies. Key investments include Noma Security, a platform securing the AI development lifecycle where Ballistic led a $25 million Series A round; and WitnessAI, which provides governance and security for generative AI use cases, a company Ballistic supported from its inception to lead a $20 million Series A to address emerging enterprise risks. Their portfolio also includes BreachRx for incident response and Hypernative for Web3 security.
YL Ventures — Founded in 2007 by Managing Partner Yoav Leitersdorf, YL Ventures is a prominent early-stage venture firm with offices in Silicon Valley and Tel Aviv. The firm specializes in backing elite Israeli cybersecurity entrepreneurs, focusing exclusively on seed-stage investments to help them build category-defining companies for the U.S. enterprise market. YL Ventures is renowned for its high-conviction approach and hands-on company-building model, providing founders with an unparalleled network of over 100 Global CISO advisors who vet technical claims and provide design partnerships. The firm’s selective strategy results in a concentrated portfolio where each company receives significant attention from the investment team. Notable success stories include Axonius, a leader in cybersecurity asset management where YL Ventures led the seed round before it reached a multi-billion dollar valuation; Orca Security, which revolutionized cloud security through agentless SideScanning technology after YL Ventures led its seed funding; and Aim Security, a startup securing enterprise GenAI adoption that YL Ventures backed at seed and was recently acquired by Cato Networks in one of the largest AI-cybersecurity deals to date.
Ten Eleven Ventures — Launched in 2014 by Alex Doll, Ten Eleven Ventures is the industry’s original venture capital firm dedicated exclusively to the cybersecurity sector. Headquartered in Burlingame, California, with offices in Boston and London, the firm operates as a multi-stage global investor, participating in everything from seed rounds to large growth-stage financings. Ten Eleven distinguishes itself by its singular focus and deep pattern recognition across the entire cybersecurity lifecycle, helping founders navigate complex enterprise sales cycles and regulatory environments. With over $1 billion in assets under management, the firm has backed more than 70 companies in 13 countries. Notable portfolio companies include Semperis, an identity-driven cyber resilience platform where Ten Eleven led a significant growth round to expand its global reach; Darktrace, the AI-powered threat detection leader that achieved a successful IPO on the London Stock Exchange; and KnowBe4, a security awareness training provider that went public and was later taken private in a multi-billion dollar deal, demonstrating the firm’s ability to scale companies to major exits. Recently, they invested in Rig Security and continue to lead rounds for innovative startups like HiddenLayer.
DataTribe — Founded in 2016 by Mike Janke, Steven T. Chen, and Robert Ackerman, DataTribe is a specialized startup foundry and seed-stage investor based in Fulton, Maryland, near the heart of the U.S. intelligence community. The firm focuses on commercializing cutting-edge technology developed within the U.S. intelligence and defense agencies, helping elite technical founders transition their expertise into the private sector. DataTribe acts as a co-builder, providing significant early-stage capital and in-kind services, including product management and go-to-market support, to lower the risk of company creation. Its unique location and deep connections to national labs allow it to source proprietary deals in areas like high-assurance infrastructure and big data analytics. Prominent portfolio companies include Dragos, the global leader in industrial cybersecurity (ICS/OT) which DataTribe co-founded and supported through its initial growth phases; and Enveil, a pioneering privacy-enhancing technology company that enables secure data collaboration, a business DataTribe helped build from the ground up to serve both government and enterprise clients. Their recent exits include ReFirm Labs, acquired by Microsoft, and Code Dx, acquired by Synopsys.
SYN Ventures — Founded in 2021 by veteran security operators Jay Leek and Patrick Heim, SYN Ventures is an early-stage venture capital firm headquartered in West Palm Beach, Florida. The firm invests in transformational cybersecurity, industrial security, and privacy startups, typically leading Seed, Series A, and Series B rounds. SYN Ventures is distinguished by its leadership team of former Fortune 500 CISOs—Leek was the first CISO at Blackstone, while Heim held the role at Dropbox and Salesforce—providing an 'unfair advantage' through their deep understanding of buyer needs and their vast network of security practitioners. They utilize their 'SYN NERS' community to provide design partnerships and early-stage revenue for their founders. Notable investments include Cerby, a platform designed to secure non-federated applications where SYN led a $12 million seed round; and BforeAI, a predictive attack prevention company that leverages behavioral AI, where SYN Ventures led a $15 million Series A to accelerate the deployment of proactive defense technologies globally. The firm also revealed investments in Sevco Security and SynSaber, focusing on disrupting the security norm.
Team8 — Established in 2014 by Nadav Zafrir, Israel Grimberg, and Liran Grinberg—all veterans of Israel’s elite Unit 8200—Team8 is a unique venture creation and capital firm based in Tel Aviv and New York. The firm combines a think tank, a startup foundry, and a traditional venture fund to build and invest in companies across cybersecurity, software infrastructure, fintech, and digital health. Team8 is distinguished by its 'success by design' methodology, where an in-house team of 40 company-builders obsessively validates market problems and builds founding teams around specific solutions. The firm also leverages the 'Team8 Village,' a community of hundreds of global C-level executives who participate in the validation and go-to-market process. Key portfolio achievements include the creation of Claroty, a leader in securing the Extended Internet of Things (XIoT) that has raised hundreds of millions in capital; and the founding of Sygnia, an elite incident response and cyber consultancy that was acquired by Temasek for a reported $250 million, validating Team8’s model of building high-value, market-defining enterprises. With $1.8B in AUM, they recently expanded their company-building approach into fintech and digital health.
Evolution Equity Partners — Founded in 2008 by Richard Seewald and Dennis Smith, Evolution Equity Partners is an international venture capital firm headquartered in New York with a strong European presence. The firm manages over $2 billion in assets and invests across the cybersecurity lifecycle, from inception and seed rounds through growth-stage investments and IPOs. Evolution is distinguished by its 'Centers of Excellence for Cybersecurity Growth,' an operating playbook that provides founders with dedicated resources in talent, product development, and go-to-market strategy. The firm’s partners are former technology entrepreneurs who have built and exited global software companies themselves. Notable portfolio companies include SecurityScorecard, the global leader in cybersecurity risk ratings where Evolution was an early and consistent backer; Arctic Wolf, a managed detection and response (MDR) powerhouse where Evolution provided growth-stage capital as the company scaled toward its current multi-billion dollar valuation; and Pentera, an automated security validation platform where Evolution led a significant investment to accelerate the company’s expansion into the U.S. and global markets. They also recently led a $56 million Series C for Quantexa to expand their decision intelligence reach.
AllegisCyber Capital — Founded in 1996 by Robert Ackerman as Allegis Capital and later rebranded to focus exclusively on security, AllegisCyber Capital is one of the longest-running dedicated cybersecurity venture firms in the world. Based in Menlo Park, California, the firm invests in seed to early-growth stage companies that secure the digital substrate of the global economy. AllegisCyber is distinguished by its role as a pioneer in the sector, having raised the industry’s first dedicated cybersecurity fund in 2015 and co-founding the DataTribe foundry. The firm’s partners act as 'ultimate insiders,' leveraging decades of operational experience to help entrepreneurs navigate the evolving threat landscape. Notable successes in their portfolio history include Attivo Networks, a leader in deception technology where AllegisCyber was a lead investor until its acquisition by SentinelOne for $616 million; and Area 1 Security, an anti-phishing innovator where the firm provided early backing prior to its acquisition by Cloudflare for $162 million, demonstrating AllegisCyber’s track record of identifying high-impact security solutions. Their current portfolio includes companies like Dragos and Interos, focusing on critical infrastructure security.
Why Cybersecurity Keeps Attracting Specialist Capital
Unlike many software categories where budget is discretionary, security spend tends to be treated as a compliance and risk-management necessity, which gives cybersecurity startups a degree of resilience that other enterprise software categories don't always enjoy during spending slowdowns. This has encouraged both dedicated funds and generalist multi-stage firms to build out security-specific investment teams, often staffed by former founders or operators who previously built and sold security companies themselves. That operator experience shows up in how these firms engage after the check clears: many offer structured advisory programs, access to CISO networks for customer introductions, and hands-on support navigating enterprise procurement and compliance certifications like SOC 2 and FedRAMP.
How to Approach Cybersecurity Investors
Before reaching out, make sure your data room reflects the diligence rigor this category demands — security buyers expect certifications, architecture diagrams, and a clear understanding of your competitive landscape. Our guide to due diligence for startups covers the materials investors will expect, and a clean cap table will make the process move faster once a term sheet is on the table. For comparisons across adjacent sectors, see our lists of top AI VCs and top deep tech VCs.
When you do start conversations, lead with your threat model and architecture before you lead with your growth metrics. Cybersecurity investors are unusually likely to run informal technical reference checks with security practitioners in their network, so being able to withstand that scrutiny early — rather than being caught flat-footed later in the process — can meaningfully speed up your timeline to a term sheet. It also helps to be explicit about how your product fits into a buyer's existing security stack: most enterprise security budgets are consolidating around fewer vendors, so investors want to understand whether you're positioned to be a consolidator or a feature that risks being absorbed by a larger platform.
If you're building a cybersecurity company and preparing to raise a seed or Series A round, the right investor introductions matter as much as the pitch itself.
Stage Coverage Across the Category
One useful way to map this landscape is by stage focus rather than treating all nine firms as interchangeable. DataTribe and Ballistic Ventures sit squarely at the earliest stages, often engaging with founders before a product is fully built. YL Ventures and SYN Ventures anchor the seed stage with a willingness to lead rounds for first-time founders, provided the technical thesis is strong. Forgepoint Capital, Ten Eleven Ventures, and Team8 span a wider range, writing both early checks and leading larger rounds as companies scale into growth. Evolution Equity Partners and AllegisCyber Capital tend to show up later in a company's life, once there is commercial traction to underwrite a larger check. Understanding where a fund sits on this spectrum before you reach out will save time — a seed-stage pitch to a growth-focused investor, or vice versa, rarely leads anywhere productive.
Questions to Ask Before You Take a Meeting
Not every cybersecurity-focused fund is the right fit for every founder, even within the same stage. Before prioritizing outreach, it's worth researching whether a firm's partners have direct operating experience in your specific sub-sector — identity, cloud security, and application security each have different buyer dynamics, and a partner who built a company in one area may not have the network to help you break into another. It's also worth asking existing portfolio founders about how hands-on a fund is post-investment: some of these firms run structured post-investment programs with dedicated go-to-market and talent support, while others take a lighter-touch board seat and let management run the company day to day. Neither approach is inherently better, but mismatched expectations about involvement are a common source of founder frustration after a round closes.