Astelia
Category: AI in Cybersecurity
An AI-native exposure management platform that correlates network topology with agentic vulnerability analysis to identify the 1-2% of vulnerabilities that are truly reachable and exploitable. Astelia was founded in 2024. The company is led by Alon Noy. Based in New York, United States. Team size: 30+. Total funding raised: $35.0M. Latest round: Series A ($25.0M, Feb 2026). Key investors include Index Ventures, Team8, Holly Ventures.
- Founded
- 2024
- Headquarters
- New York, United States
- Team size
- 30+
- Total funding
- $35.0M
Value proposition
Cuts through vulnerability noise by identifying and prioritizing only the vulnerabilities that pose genuine exposure risk, reducing millions of theoretical vulnerabilities to ~30-100 actionable items.
Products and solutions
AI-Native Exposure Management Platform, Reachability Analysis Engine, Agentic Vulnerability Analysis, Attack Path Visualization, Coverage Gap Detection, Environment-Specific Remediation Guidance
Unique value
Proprietary agentic AI trained by nation-state-level vulnerability research experts (founders led Israel's National Red Team). Unlike traditional vulnerability scanners, Astelia combines deep analysis of each enterprise's real environment with autonomous AI agents.
Target customer
Enterprise security teams and CISOs across healthcare, defense, financial services, energy, and telecom sectors
Industries served
Enterprise Cybersecurity, Healthcare, Defense and Critical Infrastructure, Financial Services, Energy and Utilities, Telecommunications, Information Technology and OT Environments
Technology advantage
Three-layered approach: (1) Maps real network topology; (2) Applies agentic AI to analyze technical prerequisites; (3) Correlates reachability with exploitability. Demonstrated ability to reduce nearly 3 million vulnerabilities to approximately 30 truly exploitable ones.
How they differentiate
AI-native exposure management platform with agentic AI trained by nation-state-level experts; maps real network topology using read-only integrations and applies autonomous AI agents; focuses on evidence-based remediation vs. theoretical risk assessment.
Main competitors
Rapid7, Tenable, CrowdStrike
Key partnerships
Index Ventures, Team8, Holly Ventures, Infrastructure and network tool integrations, US Cyber Command collaboration (historical), Fortune 50 and Fortune 100 companies
Notable customers
Fortune 50 Energy Company, Fortune 100 Financial Company, AlphaSense, Bilfinger
Major milestones
Company founded in late 2024 as part of Team8's Venture Creation model, $10M Seed round led by Team8 with participation from Holly Ventures, $25M Series A led by Index Ventures announced Feb 24, 2026, Demonstrated reduction of ~3M vulnerabilities to ~30 truly exploitable ones in customer deployment, Already working with dozens of Fortune 500 companies
Growth metrics
30+ employees across Israel and United States; plans to double R&D team to 60-70 by end of 2026; working with dozens of large enterprise customers
Market positioning
Mid-to-enterprise AI-powered exposure management platform; positions itself as an AI-era alternative to traditional vulnerability scanners.
Geographic focus
Israel, United States
Patents and IP
No registered patents publicly disclosed as of February 2026
About Alon Noy
Former leader of Israel's National Red Team; 15-year IDF veteran; Talpiot program graduate; Led operational units in Unit 8200; Collaborated with US Cyber Command on critical infrastructure defense testing; Recipient of Israel Security Award from the President of Israel
Official website: https://www.astelia.io/