Top 100 Cybersecurity Companies 2026

The most-funded cybersecurity startups protecting enterprises, infrastructure, and data in 2026.

Known total funding for 100 of 100 ranked companies: $61.5B.

Showing top 100 matching companies · Ranked by total funding raised · Latest company record update Oct 8, 2026

Methodology: up to 100 active companies matching this list's filters are ordered by disclosed total funding in USD. Companies whose latest round is one of: Grant are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.

Kela

Kela builds an open, modular defense platform combining AI-driven software and field-hardened har...

Tel Aviv, Israel11–50Cybersecurity, Defense Tech

Venture RoundTotal funding$310.0MMay 2026

Corelight

Network security monitoring platform built on open-source Zeek (formerly Bro) for enterprise SOC ...

San Francisco, United States201–500Cybersecurity

Series ETotal funding$309.2MApr 2024

KnowBe4

Security awareness training and simulated phishing platform helping organizations manage human ri...

Clearwater, United States1001–5000Cybersecurity, SaaS

Growth EquityTotal funding$308.0MJun 2019

TRM Labs

TRM Labs provides blockchain intelligence software and AI agents that help financial institutions...

San Francisco, United States201–500Artificial Intelligence, Compliance

Series CTotal funding$303.9MFeb 2026

Tenex AI

AI-native Managed Detection and Response service that triages alerts, investigates threats, and a...

Sarasota, United States51–200Infrastructure, Artificial Intelligence

Series BTotal funding$295.0MMar 2026

CertiK

CertiK is a pioneer in blockchain security, utilizing best-in-class AI technology to secure and m...

New York, United States201–500Artificial Intelligence, Crypto & Web3

Series BTotal funding$292.5MApr 2022

Cylake

AI-native cybersecurity platform built by Palo Alto Networks and SentinelOne veterans for regulat...

Sunnyvale, United StatesArtificial Intelligence, Cybersecurity

ConvertibleTotal funding$290.0MSep 2026

Ontic

Provides a connected security platform that unifies intelligence, incident management, and invest...

Austin, United States201–500Cybersecurity, Data & Analytics

Series CTotal funding$286.6MAug 2025

Sayari

Commercial intelligence platform providing supply chain risk and entity resolution data to identi...

Washington, United States201–500Cybersecurity, SaaS

Growth EquityTotal funding$286.5MApr 2024

Iru

AI-powered IT and security platform (formerly Kandji) that unifies identity and access management...

San Francisco, United States201–500Artificial Intelligence, Cybersecurity

Series DTotal funding$284.4MJul 2024

Pentera

Pentera provides an exposure validation platform that safely tests enterprise defenses, identifie...

Petah Tikva, Israel201–500Cybersecurity

Venture RoundTotal funding$279.5MMar 2026

At-Bay

InsurSec provider combining world-class cybersecurity technology with industry-leading cyber insu...

San Francisco, United States201–500Cybersecurity, Insurance

Extension RoundTotal funding$279.0MOct 2021

Tailscale

Tailscale provides an identity-based connectivity platform that uses WireGuard to create encrypte...

Toronto, Canada201–500Cybersecurity, Developer Tools

Series CTotal funding$275.0MApr 2025

StarkWare

StarkWare develops ZK-STARK cryptographic proofs that preserve computation privacy while enabling...

Netanya, Israel201–500Crypto & Web3, Cybersecurity

Series DTotal funding$273.0MMay 2022

Canary Technologies

Canary provides web-based guest management software that helps hotels streamline operations, incr...

San Francisco, United States51–200Cybersecurity, Developer Tools

Series DTotal funding$272.4MJun 2025

XBOW

XBOW is an AI-powered offensive security company that automates pentesting and accelerates the di...

Seattle, United States51–200Artificial Intelligence, Cybersecurity

Extension RoundTotal funding$270.0MMay 2026

Huntress

Managed cybersecurity platform providing endpoint detection and response, identity threat detecti...

Columbia, United States501–1000Cybersecurity, SaaS

Series DTotal funding$268.8MJun 2024

Cowbell

Adaptive cyber insurance carrier for SMB underwriting

Pleasanton, United StatesCybersecurity, Fintech

Series CTotal funding$268.3MJul 2024

Clumio

Clumio provides cloud-native backup and ransomware protection for AWS workloads, now operating as...

Santa Clara, United States51–200Cybersecurity, SaaS

Series DTotal funding$261.0MFeb 2024

Contrast Security

Contrast Security provides runtime application and API security that observes live behavior to id...

Los Altos, United States201–500Cybersecurity, SaaS

Series ETotal funding$261.0MNov 2021

Expel

Expel provides transparent managed security. It's the antidote for companies trapped in failed re...

Herndon, United States201–500Cybersecurity, SaaS

Extension RoundTotal funding$257.8MOct 2022

Coro

Cloud cybersecurity platform protecting small and mid-size businesses' endpoints, email, cloud ap...

New York, United States201–500Cybersecurity, SaaS

Series DTotal funding$255.0MMar 2024

Critical Start

Critical Start provides managed detection and response services that combine AI-powered triage wi...

Plano, United States201–500Cybersecurity

Private EquityTotal funding$255.0MJan 2022

Guardio

Guardio provides real-time security across browsers, mobile devices, and online accounts, blockin...

Tel Aviv, Israel51–200Cybersecurity

Growth EquityTotal funding$255.0MJun 2026

100

Menlo

Cloud-delivered browser security and isolation platform that prevents phishing, ransomware, and f...

Palo Alto, United States201–500Cloud, Cybersecurity

Series ETotal funding$250.5MNov 2020

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