17 Seed-stage Cyber Security startups
17 Seed-stage Cyber Security startups with 28 founders and decision-makers, led by United States. 21 verified founder emails. Updated 2026-10-03.
Key findings
- FindMeMail tracks 17 Seed-stage Cyber Security startups, with 28 founders and decision-makers listed.
- United States is the top country, with 16 of them (94%), followed by Estonia (1).
- The most common team size is 1-10 employees (94% of companies).
- 1 (6%) were founded in the last three years.
- 13 companies (76%) have at least one verified founder email, 21 verified emails in total.
Breakdown
Top countries
- United States: 16 (94%)
- Estonia: 1 (6%)
Team size (employees)
- 1-10: 16 (94%)
- 11-50: 1 (6%)
Founded (last 10 years)
- 2019: 1 (6%)
- 2020: 4 (24%)
- 2022: 2 (12%)
- 2023: 1 (6%)
- 2025: 1 (6%)
Recently added Seed-stage Cyber Security startups
- Dominion Labs — Miami, United States: SaaS, FinTech, HealthTech, Cyber Security
- CloudeAssurance — Atlanta, United States: First and Most comprehensive Cyber Security Rating Services (SRS) platform focused on cloud security assessments, scoring & benchmarking.
- Monosnap — Newark, United States: Monosnap offers secure screenshot and screencast management, SSO integration, direct cloud storage uploads, and OCR for data safety.
- Satellite — Tulsa, United States: Satellite offers modern sales organizations a better way to build a sales team.
- TeliApp — Linden, United States: TeliApp is an analytics insights company with deep machine learning expertise. Their engine can detect and predict human behavioral trends.
- Castle One — Madison, United States: Castle One is an operator of a cybersecurity platform dedicated to empowering small businesses.
- PensarAI — New York, United States: Securing the world's applications with automated code vulnerability detection and remediation.
- VeriClouds — Seattle, United States: VeriClouds pioneered credential monitoring and verification to help organizations detect compromised credentials and prevent data breaches.
- Authomate — Atlanta, United States: Bringing convenience and security to user authentication, certainty you are you leveraging metafactors.
- VitaNet — San Mateo, United States: VitaNet authenticates users instantly, without any user action, turning traditional retail environments into smart, interactive spaces.
- Batten — Seattle, United States: Batten provides personalized security recommendations to help keep people safe at home, online, and in an emergency.
- Zecurity — Houston, United States: Zecurity is a cybersecurity company providing security products to secure Internet communications.
- qikfox — San Mateo, United States: qikfox's mission is to make the internet safe, secure and private for consumers and businesses alike.
- FoxIO — Austin, United States: Innovation at the cutting edge of IT security
- PhishFirewall — Huntsville, United States: PhishFirewall is an AI-driven SaaS platform that helps companies in solving their phishing problem.
- Guardian — San Francisco, United States: Guardian protects and secures privacy and data while using apps and browsing the web on an iOS device.
- eID easy — Tallinn, Estonia: eID Easy is a SaaS B2B marketplace of Qualified Electronic Signatures (QES) and electronic identity
Browse and filter all 17 companies
Frequently asked questions
How many Seed-stage Cyber Security startups are there?
FindMeMail currently lists 17 Seed-stage Cyber Security startups with at least one founder or decision-maker identified. The count updates daily as new companies are added.
Where are most Seed-stage Cyber Security startups based?
United States (16), Estonia (1).
How do I contact founders of Seed-stage Cyber Security startups?
21 verified founder emails are available for these companies on FindMeMail. Create a free account to get 50 free reveals, then buy one-time credit packs from $12.
Related reports
- Seed-stage startups in United States (1,905)
- Seed-stage Software startups (453)
- Cyber Security companies in United States (259)
- Seed-stage Health Care startups (202)
- Seed-stage Information Technology startups (200)
- Seed-stage Artificial Intelligence (AI) startups (176)
- Seed-stage SaaS startups (145)
- Seed-stage Internet startups (136)
- Seed-stage E-Commerce startups (133)
- Seed-stage Food and Beverage startups (103)
- Seed-stage Financial Services startups (93)
- Seed-stage Apps startups (80)
Methodology: counts include companies in the FindMeMail database with at least one identified founder or decision-maker. Data refreshes automatically as new companies are added.