Latest Cybersecurity Startup Funding Rounds
Security companies raising capital to protect identities, applications, infrastructure and data.
- Rounds
- 261 Jan 1 – Oct 24, 2026
- Disclosed funding
- $10.6B 228 disclosed amounts
- Median round
- $18M Of disclosed amounts
| Company | Amount | Round | Sector | Country | Investors | Announced |
|---|---|---|---|---|---|---|
| A AuxiliusCompany profile Develops AI-powered governance, risk and compliance (GRC) automation software Develops AI-powered governance, risk and compliance (GRC) automation software | €1.3M | Pre-SeedPre-seed | Cybersecurity, Enterprise software | Germany | Investors | |
| AD Arkenstone DefenseCompany profile Provides compliance infrastructure for commercial companies to enter federal market Provides compliance infrastructure for commercial companies to enter federal market | $35M | Seed | Cybersecurity, Defense tech | United States | Investors | |
| S Develops AI infrastructure for data privacy and security | $18M | Undisclosed | Cybersecurity | Spain | Investors | |
| S StirlingXCompany profile Develops secure data intelligence systems for defence and critical infrastructure Develops secure data intelligence systems for defence and critical infrastructure | $20M | Series A | Cybersecurity, Defense tech | United Kingdom | Investors | |
| W WultraCompany profile Provides post-quantum authentication and digital identity solutions for banks and fintechs Provides post-quantum authentication and digital identity solutions for banks and fintechs | €6.8M | Series A | Cybersecurity, Fintech | Czech Republic | Investors | |
| IP Integral Privacy TechnologiesCompany profile Transforms real-world data into AI-ready assets for training, labeling, and enterprise AI applications Transforms real-world data into AI-ready assets for training, labeling, and enterprise AI applications | $18M | Series A | Cybersecurity | United States | Investors | |
| S StraikerCompany profile Provides agentic security for AI agents, discovering, testing, and protecting enterprise AI agents Provides agentic security for AI agents, discovering, testing, and protecting enterprise AI agents | $64M | Series A | Cybersecurity | United States | Investors | |
| R RunlayerCompany profile Provides an AI enablement and governance platform giving enterprises secure control over AI agents Provides an AI enablement and governance platform giving enterprises secure control over AI agents | $30M | Series A | Cybersecurity, Enterprise software | United States | Investors | |
| P PlatformrCompany profile AI CloudOps platform automating AWS environment setup, security, compliance, and cost monitoring for MSPs and SIs AI CloudOps platform automating AWS environment setup, security, compliance, and cost monitoring for MSPs and SIs | $10M | Undisclosed | Cybersecurity, AI | United States | Investors | |
| D DreamCompany profile Builds sovereign AI and cyber defense platforms for governments and critical infrastructure operators Builds sovereign AI and cyber defense platforms for governments and critical infrastructure operators | $260M | Undisclosed | Cybersecurity | Israel | Investors |
Active investors in this selection
All investors →Ranked by rounds participated in · From Jan 1, 2026
- 1Accel
Armadin, AegisAI, Oak
12rounds1led - 2Ten Eleven Ventures
Rig Security, HiddenLayer, Geordie AI
9rounds1led - 3Sequoia Capital
Cymphony, AIR, CORMA
8rounds3led - 4Cyberstarts
Upwind Security, Onyx Security, NewCore
8rounds0led - 5Evolution Equity Partners
Island, Outerlimit, QIZ Security
7rounds1led
Latest digests
Archive →Explore published rounds while the next edition is being prepared.