cybersecdirectory

All companies

Every cybersecurity vendor and service firm on the list. Tick the filters to build a shortlist, then open a profile to see who owns the company and what it does. You can also browse by category or country, or see recent deals.

Results

57 companiesShowing 1 to 50

See also Vulnerability management vendors and companies based in the United States.

CompanyCategoryBased inFoundedOwnership
AISLE

AISLE provides AI-native vulnerability management that finds, fixes, and verifies software vulnerabilities.

Vulnerability managementSan Francisco, United StatesOwned by Cohere
Armis

Armis provides cyber exposure management and security for connected devices and operational technology.

IoT, embedded and product securityUnited StatesPart of ServiceNow
Asimily

Asimily provides a platform to discover, assess, and mitigate risks for IoT, OT, and IoMT devices.

IoT, embedded and product securitySunnyvale, United StatesPrivate
AttackIQ

AttackIQ provides a platform for continuous threat exposure management and adversarial exposure validation.

Breach and attack simulationLos Altos, United States2014Private
Axonius

Asset intelligence platform that builds one inventory of every asset from connected IT and security tools to find coverage gaps and prioritise exposures.

Attack surface managementNew York, United StatesPrivate
BackBox

BackBox provides a cyber resilience platform for automating network security, compliance, and lifecycle management.

Backup and cyber recoveryAddison, United States2009Private
Bitsight

Bitsight provides a cyber risk intelligence platform.

Third-party risk and security ratingsBack Bay, United States2011Private
BreachLock

Cloud-based Penetration Testing as a Service platform combining AI-driven automation with expert manual testing at accessible price points.

Penetration testingNew York, United States2019Private
Brinqa

Brinqa provides a platform that unifies and prioritises exposure data for cybersecurity teams.

Vulnerability managementAustin, United StatesPrivate
Chainguard

Chainguard builds hardened, verified open source container images, libraries and packages to reduce vulnerabilities.

Software supply chain and SBOMSeattle, United StatesPrivate
Clone Systems

Provides penetration testing, PCI ASV scanning, and managed security services for compliance and threat detection.

Penetration testingPhiladelphia, United States1998Private
Codename Sonar

Codename Sonar provides defensive reconnaissance for blue-team testing, including host discovery and network exposure assessment.

Vulnerability managementMidlothian, Virginia, United States2021Private
Critical Start

Critical Start provides managed detection and response services to monitor, investigate, and resolve security threats for organisations.

Managed detection and responsePlano, United States2012Owned by Vista Equity Partners
CrowdStrike

CrowdStrike provides AI-native cybersecurity solutions to stop breaches.

EDR and XDRAustin, United States2011Public, CRWD
Crush Security

Resells security products and provides assessment, testing and advisory services with a data platform.

Security consulting and vCISOUnited States2026Private
Cyble

Cyble provides AI-native threat intelligence and cybersecurity platforms for enterprises and governments.

Threat intelligenceCupertino, United States2020Private
CyCognito

CyCognito provides a platform that discovers and tests external attack surfaces to identify security exposures.

Attack surface managementPalo Alto, United StatesPrivate
Cyware

Cyware provides a platform for threat intelligence management, security orchestration, and collective defense.

Threat intelligenceJersey City, United StatesPrivate
Eclypsium

Eclypsium provides continuous assurance of critical hardware, firmware, and software across enterprise infrastructure.

IoT, embedded and product securityPortland, United States2017Private
Finite State

Finite State provides a product security platform for connected devices, automating SBOM generation, vulnerability analysis, and compliance evidence.

Software supply chain and SBOMColumbus, United States2017Private
Forescout Technologies

Forescout provides a platform for managing cyber risk and mitigating threats across IT, OT, IoT, and IoMT devices.

OT and ICS securitySan Jose, United StatesOwned by Advent International and Crosspoint Capital Partners
Horizon3

Horizon3 runs autonomous attack testing to find and verify exploitable weaknesses in production environments.

Penetration testingSan Francisco, United States2019Private
Invicti

Invicti provides web application and API security testing software for enterprises.

Application security testingAustin, United States2005Private
Iru

Iru is a software company that sells a unified platform for managing devices, identity and compliance.

EDR and XDRCoral Gables, United States2018Private
Ivanti

Ivanti provides software for managing and securing endpoints, IT services, networks and supply chains.

Vulnerability managementSouth Jordan, United StatesPrivate
JFrog

Software supply chain security and artifact management platform that blocks risky open source packages, scans for exploitable vulnerabilities and governs releases and AI models.

Software supply chain and SBOMSunnyvale, United StatesPrivate
Manifest

SBOM and vulnerability management platform that helps carmakers and suppliers track risk in vehicle software.

Software supply chain and SBOMUnited States2021Private
Microsoft

Microsoft sells software, cloud services, hardware, and gaming products.

Identity and access managementRedmond, United States1975Public, MSFT
Morphisec

Morphisec sells endpoint security software that blocks ransomware and governs AI tools on devices.

Endpoint protection and antivirusNew York, United StatesPrivate
NetRise

NetRise analyses compiled software to create an inventory of components and identify supply chain risks.

Software supply chain and SBOMAustin, United States2020Part of Dragos
Nozomi Networks

Nozomi Networks provides OT and IoT security solutions for critical infrastructure, offering asset visibility and threat detection.

OT and ICS securitySan Francisco, United StatesOwned by Mitsubishi Electric
Nucleus Security

Nucleus Security provides a platform to automate vulnerability and exposure management for enterprises and government agencies.

Vulnerability managementSarasota, United States2019Private
Paramount Defenses

Paramount Defenses provides software to assess privileged access and identify privilege escalation paths in Microsoft Active Directory.

Privileged access managementNewport Beach, United States2006Private
Picus Security

Picus Security provides a platform that validates exposures and security controls by simulating cyber attacks.

Breach and attack simulationWilmington, United States2013Private
PlexTrac

PlexTrac provides a platform for penetration test reporting, vulnerability management, and remediation orchestration.

Vulnerability managementBoise, United StatesPart of Brinqa
Praetorian

Offensive security firm founded by former DoD professionals. Combines deep offensive testing with the Chariot attack surface management platform and its Exploit validation engine.

Penetration testingAustin, United States2010Private
ProjectDiscovery

ProjectDiscovery builds open-source security tools and infrastructure for mapping, probing, crawling, and detecting vulnerabilities.

Vulnerability managementSan Francisco, United States2020Private
Qualys

Qualys provides an enterprise cyber risk and security platform.

Vulnerability managementFoster City, United States1999Public, QLYS
Quantara AI

Quantara AI provides an AI-native platform for cyber risk quantification and prioritization.

GRC and compliance automationEagle, United StatesPrivate
Rapid7

Rapid7 provides AI-powered managed cybersecurity operations, including MDR, SIEM, and vulnerability management.

Vulnerability managementBoston, United States2000Public, RPD
Red Hat

Open source software company whose Advanced Cluster Security product protects Kubernetes and container workloads, alongside Red Hat Enterprise Linux and OpenShift.

Cloud workload and container securityRaleigh, United StatesPrivate
Redbot Security

Denver-based boutique pen testing firm with senior-only testers. Personalised engagements across penetration testing, red teaming, and vulnerability management.

Penetration testingDenver, United States2016Private
runZero

runZero provides exposure management software that discovers and profiles assets across IT, OT, IoT, cloud and mobile networks.

Attack surface managementAustin, United States2018Part of Dragos
SafeBreach

SafeBreach provides a platform that validates security controls and manages cyber exposure for enterprises.

Breach and attack simulationSunnyvale, United StatesPrivate
Securin

Vulnerability intelligence-driven penetration testing firm providing contextual security assessments informed by threat actor exploitation data and ransomware tracking.

Penetration testingAlbuquerque, United States2009Private
Senteon

Senteon automates endpoint hardening and CIS benchmark compliance for audits.

Endpoint protection and antivirusMatawan, United StatesPrivate
Siemba

Siemba provides autonomous and expert-led penetration testing for security teams.

Penetration testingAlpharetta, United StatesPrivate
Sonatype

Sonatype provides tools to manage and secure open source components and AI models in software development.

Software supply chain and SBOMFulton, United StatesPrivate
STACK Cybersecurity

Provides managed IT services, cybersecurity, compliance support and AI adoption guidance to businesses.

Managed security servicesLivonia, United StatesOwned by IT Solutions
Synack

FedRAMP-authorized crowdsourced penetration testing platform combining the vetted SRT researcher community with AI-powered Hydra technology for continuous security testing.

Penetration testingRedwood City, United States2013Part of NetSPI