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 |
|---|---|---|---|---|---|---|
| C ComplaionCompany profile Complaion combines compliance-management software with dedicated lead auditors to help growing companies obtain and maintain ISO certifications. Complaion combines compliance-management software with dedicated lead auditors to help growing companies obtain and maintain ISO certifications. | €13.5M | Seed | Cybersecurity, Business services | Italy | Investors | |
| I IslandCompany profile Provides an enterprise browser and security controls for employee and AI-agent access to applications and data. Provides an enterprise browser and security controls for employee and AI-agent access to applications and data. | $400M | Series FSeries C+ | Cybersecurity | United States | Investors | |
| K KontextCompany profile Kontext provides runtime security for AI agents, evaluating tool calls against identity, intent and policy before execution and recording the authorization decision. Kontext provides runtime security for AI agents, evaluating tool calls against identity, intent and policy before execution and recording the authorization decision. | $4M | Seed | Cybersecurity | Germany | Investors | |
| O OneClickComplyCompany profile OneClickComply automates security controls, evidence collection and policy work for businesses preparing for compliance audits. OneClickComply automates security controls, evidence collection and policy work for businesses preparing for compliance audits. | £1M | Funding roundUndisclosed | Cybersecurity | United Kingdom | Investors | |
| P Palma.aiCompany profile Palma.ai gives enterprises a governance layer for AI agents, controlling permissions and tools while auditing agents’ actions in connected business systems. Palma.ai gives enterprises a governance layer for AI agents, controlling permissions and tools while auditing agents’ actions in connected business systems. | $1.8M | Pre-seed | Cybersecurity | Germany | Investors | |
| O OuterlimitCompany profile Outerlimit secures enterprise AI agents by discovering agents and tools, observing their behavior and enforcing runtime authorization and guardrails. Outerlimit secures enterprise AI agents by discovering agents and tools, observing their behavior and enforcing runtime authorization and guardrails. | $16M | Pre-seed | Cybersecurity | United Kingdom | Investors | |
| C CyeraCompany profile Provides a data security and AI governance platform helping enterprises control what AI can see and do Provides a data security and AI governance platform helping enterprises control what AI can see and do | $400M | Series G extensionSeries C+ | Cybersecurity | United States | Investors | |
| F FootprintCompany profile An agentic risk and compliance platform that helps financial institutions investigate cases and run KYC, sanctions and monitoring policies with an auditable record. An agentic risk and compliance platform that helps financial institutions investigate cases and run KYC, sanctions and monitoring policies with an auditable record. | $25M | Series B | Cybersecurity, Fintech | United States | Investors | |
| A ArcosCompany profile Physical-security operations software and alarm-monitoring services that bring sensor, camera and alarm signals into one system for assessing incidents and coordinating response. Physical-security operations software and alarm-monitoring services that bring sensor, camera and alarm signals into one system for assessing incidents and coordinating response. | €5.5M | Seed | Cybersecurity | Germany | Investors | |
| TC TigerByte CyberCompany profile Hardware-enforced cybersecurity and edge-computing products that protect aircraft, satellites, vehicles, drones and AI systems in constrained environments. Hardware-enforced cybersecurity and edge-computing products that protect aircraft, satellites, vehicles, drones and AI systems in constrained environments. | $3M | Seed | Cybersecurity | United States | 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.