Seed Cybersecurity companies in New York
Companies defending or attacking software, networks, and cloud infrastructure. Filtered to Seed-stage companies headquartered in New York.
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Built from a search like: “Top Seed Cybersecurity companies in New York”
Ranked by current headcount across Seed Cybersecurity companies in New York. Refreshed monthly.
- 1BreachLock, Inc.· New York, New York, United States
BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing. Continuously discover, prioritize, and mitigate exposures with evidence-backed Attack Surface Management, Penetration Testing, and Red Teaming.Elevate your defense strategy with an attacker's view that goes beyond common vulnerabilities and exposures. Each risk we uncover is backed by validated evidence. We test your entire attack surface and help you mitigate your next cyber breach before it occurs.Know your risk. Contact BreachLock today!
- Seed
- 137 employees
- Founded 2019
- 2Zepo Intelligence· New York, New York, United States
The average cost of a data breach to your business can range from $120,000 to $1.24 million.You can't afford to be unprepared as cybersecurity threats to your organization become more sophisticated.We've advised many businesses and seen them struggle with cybersecurity, which is why we created Zepo Intelligence.Zepo is a simple and powerful cybersecurity tool that allows you to monitor your team's security status, simulate potential threats, and schedule training with just a few clicks.To learn more, go to www.zepo.ai
- Seed
- 75 employees
- Founded 2021
- 3OutThink· New York, New York, United States
OutThink is the AI-native Human Risk Management (HRM) platform built to do what legacy security awareness training never could: drive secure behavior and reduce human risk, autonomously, at enterprise scale, and prove it.Founded in 2019 by CISOs who lived the problem, OutThink replaces annual, one-size-fits-all training with continuous, individualized programs that motivate, educate, activate, and correct, backed by 10 billion+ behavioral data points across 100+ enterprise deployments.Our HRM Maturity Model (Reactive to Self-Adapting to Proactive to Predictive) gives security leaders a roadmap from completion metrics to quantified, board-ready risk reduction. Trusted by organizations including VINCI, Danske Bank, and TX Group.
- Seed
- 69 employees
- Founded 2015
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- 4Dune Security· New York, New York, United States
Dune Security prevents social engineering and insider threats across every channel.Dune is the software infrastructure for the User Layer; the missing, purpose-built layer that enables enterprises to measure, simulate, remediate, and enforce protection around users across any channel (email, voice, SMS, encrypted channels, collaboration tools, etc.). As Wiz became the platform for cloud security and Crowdstrike became the platform for endpoint security, Dune is the software infrastructure platform for the user security domain.Trusted by the Fortune 1000 and backed by $8M from Toba Capital, Craft Ventures, Mass Mutual Ventures, Alumni Ventures, Firestreak Ventures, and Antler, Dune Security empowers security teams to proactively manage user risk and build safer, more resilient organizations.
- Seed
- 65 employees
- Founded 2023
- 5ReasonLabs· New York, New York, United States
ReasonLabs is revolutionizing consumer cybersecurity with advanced, AI-powered protection against scams, fraud, and identity theft. Focused on anti-scam protection, it monitors text messages, scans the dark web for leaked personal data, and alerts users in real time to phishing attempts, suspicious activity, and unauthorized access.Built on ReasonLabs’ cutting-edge, cloud-native EDR platform, trusted by millions of home users to get the same level of protection as Fortune 500 enterprises, the solution leverages billions of real-time data points, threat intelligence, and behavioral analysis to deliver best-in-class identity, privacy, and device protection.Certified by Microsoft’s Virus Initiative (MVI), VirusBulletin’s VB100, and OPSWAT, and a proud member of AMTSO and AVAR, ReasonLabs is redefining what it means to feel safe online.
- Seed
- 56 employees
- Founded 2016
Find engineers at Seed Cybersecurity companies in New York
Searching for “engineers at top Seed Cybersecurity companies in New York” surfaces this slice of the market. The list above ranks Cybersecurity companies headquartered in New York whose latest disclosed round is Seed, by current headcount, drawn from public LinkedIn and Crunchbase records. With 37 matching companies in Refolk’s index, this is a tight read on where the Cybersecurity talent in New York is heating up.
Three filters at once narrows the field hard. The companies that survive all three - Seed, Cybersecurity, in New York - are usually the most targeted recruiting pool a hiring manager can ask for. Senior engineers, founding designers, and product leads here are about to become Cybersecurity’s next operators and angel investors.
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Last refreshed: Fri, 18 Sep 2026 07:53:28 GMT
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