All Industries

Top Cybersecurity Companies

2,433 Cybersecurity companies, sorted by total funding raised.

CylanceAcquired

Cylance provides AI-driven endpoint security that uses machine-learning models to detect and prev...

Irvine, United States501–1000Artificial Intelligence, Cybersecurity
Series E·$297.0M·Jun 2018
Tenex AI

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

Sarasota, United States51–200Infrastructure, Artificial Intelligence
Series B·$295.0M·Mar 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 B·$292.5M·Apr 2022
AvePointIPO

SaaS platform for enterprise data protection, security, backup, and governance across Microsoft, ...

Jersey City, United States1001–5000enterprise software, Cybersecurity
Growth Equity·$290.0M·Dec 2019
Pentera

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

Petah Tikva, Israel201–500Cybersecurity
Venture Round·$289.5M·Mar 2026
Ontic

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

Austin, United States201–500Cybersecurity, Data & Analytics
Series C·$286.6M·Aug 2025
Sayari

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

Washington, United States201–500Cybersecurity, SaaS
Growth Equity·$286.5M·Apr 2024
Iru

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

San Francisco, United States201–500Artificial Intelligence, Cybersecurity
Series D·$284.4M·Jul 2024
ExabeamAcquired

Exabeam provides an AI-driven security operations platform that helps organizations detect, inves...

Foster City, United States501–1000Cybersecurity
Venture Round·$275.0M·Jun 2021
Tailscale

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

Toronto, Canada201–500Cybersecurity, Developer Tools
Series C·$275.0M·Apr 2025
StarkWare

StarkWare brings scalability and privacy to blockchains with zero-knowledge STARK proofs.

Netanya, Israel201–500Crypto & Web3, Cybersecurity
Series D·$273.0M·May 2022
Canary Technologies

Modernizing the hospitality tech stack.

San Francisco, United States51–200SaaS, Hardware
Series D·$272.4M·Jun 2025
XBOW

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

Seattle, United States51–200Artificial Intelligence, Cybersecurity
Extension Round·$270.0M·May 2026
Huntress

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

Columbia, United States501–1000Cybersecurity, SaaS
Series D·$268.8M·Jun 2024
Clumio

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

Santa Clara, United States51–200Cybersecurity, SaaS
Series D·$261.0M·Feb 2024
Contrast Security

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

Los Altos, United States201–500Cybersecurity, SaaS
Series E·$261.0M·Nov 2021
Expel

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

Herndon, United States201–500Cybersecurity, Managed Security
Extension Round·$257.8M·Oct 2022
Coro

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

New York, United States201–500Cybersecurity, SaaS
Series D·$255.0M·Mar 2024
Critical Start

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

Plano, United States201–500Cybersecurity
Private Equity·$255.0M·Jan 2022
Guardio

Israeli cybersecurity company with browser security and threat protection products.

Tel Aviv, Israel51–200Cybersecurity
Growth Equity·$255.0M·Jun 2026
NozomiAcquired

Nozomi Networks provides OT and IoT cybersecurity software for continuous asset visibility, threa...

San Francisco, United States201–500Cybersecurity, Artificial Intelligence
Series E·$252.5M·Mar 2024
Menlo

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

Palo Alto, United States201–500Cloud, Cybersecurity
Series E·$250.5M·Nov 2020
Acronis

Acronis provides integrated cybersecurity, backup, endpoint management, and automation software t...

Schaffhausen, SwitzerlandCybersecurity, SaaS
Series C·$250.0M·Jul 2022
Censys

Provides internet-wide visibility and threat intelligence to security teams for attack surface ma...

Ann Arbor, United States51–200Cybersecurity, Data & Analytics
Series D·$245.5M·Apr 2026
At-Bay

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

San Francisco, United States201–500Cybersecurity, Insurance
Extension Round·$245.0M·Oct 2021