Emerging Cybersecurity Companies — 2026
Cybersecurity companies founded within the last 3 years (2023 or later), ranked by YoY ARR growth. This page tracks the newest cohort of funded cybersecurity startups that have achieved at least $500K in ARR with verified or estimated revenue data.
12
Companies Tracked
350%+
Highest Growth (#1)
$58.3M
Combined Funding
155%
Median Growth Rate
All Emerging Companies — Ranked by Growth
Companies under 3 years old with verifiable revenue. Growth metrics self-reported or estimated.
| # | Company | YoY Growth | Raised | Stage | Investor | Focus | HQ | Founded |
|---|---|---|---|---|---|---|---|---|
| 1 | Vigilance Security | 350%+ | $5M | Seed | Sequoia Scout | AI Threat Detection | San Francisco, CA | 2023 |
| 2 | Protexxa | 210% | $4.2M | Seed | Ripple Ventures | Human Risk Management | Toronto, CA | 2022 |
| 3 | Gomboc AI | 185% | $6M | Seed | Glilot Capital | Cloud Remediation | New York, NY | 2022 |
| 4 | Anvilogic | 165% | $5.5M | Seed | Sierra Ventures | SIEM Modernization | San Jose, CA | 2023 |
| 5 | Apex Security | 150% | $3.8M | Seed | StageOne Ventures | API Security | Austin, TX | 2023 |
| 6 | NightVision | 135% | $5.4M | Seed | Crosslink Capital | Application Security | San Francisco, CA | 2022 |
| 7 | Kodem | 125% | $7M | Seed | Jibe Ventures | Runtime AppSec | Tel Aviv, Israel | 2022 |
| 8 | Harmonic Security | 120% | $3.5M | Pre-Seed | Point72 Ventures | AI Data Protection | London, UK | 2023 |
| 9 | Zafran | 115% | $4.8M | Seed | Sequoia Capital | Threat Exposure Mgmt | Tel Aviv, Israel | 2023 |
| 10 | Astrix Security | 110% | $8M | Seed | Bessemer Venture Partners | Non-Human Identity | Tel Aviv, Israel | 2022 |
| 11 | Pillar Security | 105% | $3M | Pre-Seed | Shield Capital | AI/LLM Security | Tel Aviv, Israel | 2023 |
| 12 | RunReveal | 95% | $2.1M | Pre-Seed | Heavybit | Security Data Pipeline | San Francisco, CA | 2023 |
Company Details
Expanded profiles for each emerging company.
AI Threat Detection | San Francisco, CA | Founded 2023 | 18 employees
AI-native threat detection and autonomous incident response. Highest growth rate in database. 8 enterprise customers including 2 Fortune 500 and DoD pilot.
Growth
350%+
Raised
$5M
Investor
Sequoia Scout
Customers
8 (2 F500)
Protexxa
Human Risk Management | Toronto, CA | Founded 2022 | 20 employees
AI-driven human risk scoring and insider threat management platform. Expanding from Canadian market into the U.S.
Growth
210%
Raised
$4.2M
Investor
Ripple Ventures
Gomboc AI
Cloud Remediation | New York, NY | Founded 2022 | 22 employees
AI-powered cloud misconfiguration remediation using infrastructure-as-code native approach.
Growth
185%
Raised
$6M
Investor
Glilot Capital
Anvilogic
SIEM Modernization | San Jose, CA | Founded 2023 | 15 employees
Next-generation SIEM built on data lakehouse architecture. Targeting organizations migrating from legacy SIEM.
Growth
165%
Raised
$5.5M
Investor
Sierra Ventures
Apex Security
API Security | Austin, TX | Founded 2023 | 12 employees
Runtime API security with behavioral analysis. Focused on financial services and healthcare verticals.
Growth
150%
Raised
$3.8M
Investor
StageOne Ventures
NightVision
Application Security | San Francisco, CA | Founded 2022 | 17 employees
Automated application security testing platform combining DAST and API testing in CI/CD pipelines.
Growth
135%
Raised
$5.4M
Investor
Crosslink Capital
Kodem
Runtime AppSec | Tel Aviv, Israel | Founded 2022 | 25 employees
Runtime application security combining instrumentation with static analysis for accurate vulnerability prioritization.
Growth
125%
Raised
$7M
Investor
Jibe Ventures
Harmonic Security
AI Data Protection | London, UK | Founded 2023 | 10 employees
Data protection platform specifically designed for AI/LLM workflows and generative AI data leakage prevention.
Growth
120%
Raised
$3.5M
Investor
Point72 Ventures
Zafran
Threat Exposure Mgmt | Tel Aviv, Israel | Founded 2023 | 14 employees
Threat exposure management platform correlating vulnerabilities with existing security controls to reduce alert noise.
Growth
115%
Raised
$4.8M
Investor
Sequoia Capital
Astrix Security
Non-Human Identity | Tel Aviv, Israel | Founded 2022 | 28 employees
Non-human identity management for API keys, service accounts, and machine-to-machine credentials.
Growth
110%
Raised
$8M
Investor
Bessemer Venture Partners
Pillar Security
AI/LLM Security | Tel Aviv, Israel | Founded 2023 | 8 employees
Security platform for LLM-powered applications, focused on prompt injection, data exfiltration, and model abuse prevention.
Growth
105%
Raised
$3M
Investor
Shield Capital
RunReveal
Security Data Pipeline | San Francisco, CA | Founded 2023 | 6 employees
Security data pipeline and log management designed for modern cloud architectures. Developer-first approach.
Growth
95%
Raised
$2.1M
Investor
Heavybit
Last updated: May 19, 2026
Frequently Asked Questions
Disclaimer: Growth rates are self-reported by companies or estimated from public data (job listings, customer counts, press releases). "Emerging" is defined as companies founded within the last 3 years with at least $500K estimated ARR. This data is for informational purposes only. Not investment advice. Verify independently. Last updated: May 12, 2026.