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 |
|---|---|---|---|---|---|---|
| I IndurexCompany profile Indurex develops software that connects industrial engineering, safety and cybersecurity data. Indurex develops software that connects industrial engineering, safety and cybersecurity data. | €7M | Undisclosed | Cybersecurity | Netherlands | Investors | |
| C CygridCompany profile Cygrid builds identity security software that controls what employees, applications and AI agents can do inside enterprise systems. Cygrid builds identity security software that controls what employees, applications and AI agents can do inside enterprise systems. | €2.7M | Pre-seed | Cybersecurity | Germany | Investors | |
| B BlackwallCompany profile Blackwall supplies web security and traffic management software to hosting, cloud and managed service providers. Blackwall supplies web security and traffic management software to hosting, cloud and managed service providers. | $100M | Series CSeries C+ | Cybersecurity | Estonia | Investors | |
| S SunniesCompany profile Sunnies develops Privaco, a password, access and AI workforce governance platform. Sunnies develops Privaco, a password, access and AI workforce governance platform. | ¥50M | Seed | Cybersecurity | Japan | Investors | |
| O OpsinCompany profile Opsin helps enterprises discover AI agents, assess their permissions and contain risky behaviour. Opsin helps enterprises discover AI agents, assess their permissions and contain risky behaviour. | $21M | Funding roundUndisclosed | Cybersecurity | United States | Investors | |
| C Autonomous adversarial testing for enterprise security teams. | $4M | Pre-seed | Cybersecurity | United Kingdom | Investors | |
| HS Harmonic SecurityCompany profile Harmonic Security helps enterprise security teams understand employee AI use and prevent sensitive information from being shared. Harmonic Security helps enterprise security teams understand employee AI use and prevent sensitive information from being shared. | $50M | Series B | Cybersecurity | United States | Investors | |
| PS Pluto SecurityCompany profile Enterprise security software that monitors AI tools, agents and the applications employees build. Enterprise security software that monitors AI tools, agents and the applications employees build. | ~$33M | Series A | Cybersecurity | Undisclosed | Investors | |
| H HadrianCompany profile Hadrian helps enterprise security teams discover exposed systems and validate exploitable weaknesses. Hadrian helps enterprise security teams discover exposed systems and validate exploitable weaknesses. | $40M | Series B | Cybersecurity | Netherlands | Investors | |
| N NetsecCompany profile Netsec operates IT and cybersecurity for mid-market companies through a unified managed service delivered in Slack and Teams. Netsec operates IT and cybersecurity for mid-market companies through a unified managed service delivered in Slack and Teams. | >$10M | Undisclosed | Cybersecurity | France | 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.