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

60 companiesShowing 1 to 50

See also MDR providers and companies based in the United States.

CompanyCategoryBased inFoundedOwnership
7AI

7AI provides AI agents that automate security operations centre tasks for enterprises.

Agentic SOC toolsBoston, United States2024Private
Alcott Enterprises Managed IT Services & Cybersecurity

Alcott Enterprises is a managed IT service provider and cybersecurity company based in Los Angeles.

Managed security servicesTorrance, United States2014Private
Arctic Wolf

Arctic Wolf provides managed security operations, threat detection and incident response services to organisations.

Managed detection and responseEden Prairie, United States2012Private
Armor

Provides cloud security, compliance and managed detection and response services to regulated industries.

Managed detection and responsePlano, United States2009Private
Artemis Security

Artemis Security provides an AI-native security operations platform that detects, investigates and responds to cyber attacks.

SIEMNew York, United StatesPrivate
Athena Agentic

Athena Agentic provides a unified cyber operations platform that automates detection, response, and hardening.

Agentic SOC toolsDallas, United StatesPrivate
Barracuda Networks

Barracuda Networks provides cybersecurity solutions for email, networks, applications, and data.

Email securityCampbell, United States2003Owned by KKR
Binary Defense

Binary Defense provides managed detection and response services and an AI-powered security platform.

Managed detection and responseStow, United StatesPrivate
Blumira

Blumira provides a security operations platform for IT teams to detect and respond to threats.

SIEMAnn Arbor, United StatesPrivate
Boston Managed IT

Boston Managed IT is a managed service provider based in Waltham, Massachusetts, founded in 2017.

Managed security servicesWaltham, United States2015Private
Cantina

Cantina provides an agentic security platform that uses autonomous AI agents to detect, respond to, and fix security issues.

AI and LLM securityMiami, United StatesPrivate
Cofense

Cofense provides phishing detection and response services using AI and human validation.

Email securityArlington, United StatesPrivate
Comodo Group

Comodo Group sells cybersecurity products and services to businesses and organisations.

Endpoint protection and antivirusClifton, United States1998Private
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
CyberSheath

CyberSheath provides cybersecurity compliance services for DOD contractors, focusing on CMMC, DFARS, and NIST standards.

GRC and compliance automationReston, United States2012Private
Cyderes

Cyderes provides managed cybersecurity services including identity, threat detection, and exposure management.

Managed detection and responseKansas City, United StatesPrivate
Datto

Datto provides backup and disaster recovery, endpoint management, professional services automation, networking and cybersecurity solutions.

Backup and cyber recoveryNorwalk, United States2007Part of Kaseya
DeepSeas (formerly RedTeam Security)

RedTeam Security is now part of DeepSeas, which offers penetration testing, red teaming and physical testing as its offensive security practice.

Managed detection and responseAtlanta, United States2012Private
Dragos

Dragos provides cybersecurity for industrial control systems and operational technology environments.

OT and ICS securityHouston, United States2016Part of Accenture
Dropzone AI

Dropzone AI builds AI agents that investigate security alerts and hunt threats for security teams.

Agentic SOC toolsSeattle, United States2022Private
Druva

Druva provides a fully managed SaaS platform for data backup, recovery, and cyber resilience.

Backup and cyber recoverySunnyvale, United States2008Private
Exaforce

Exaforce provides an agentic AI platform for security operations, detection, triage, investigation and response.

Agentic SOC toolsSan Jose, United States2023Private
Expel

Expel provides managed detection and response security services using AI and human analysts.

Managed detection and responseHerndon, United States2016Private
Fleet Defender

Hardware and software that detect cyber attacks and cargo theft on fleet vehicles, backed by a vehicle SOC.

Automotive cybersecurityOmaha, United StatesPrivate
Foresite Cybersecurity

Foresite provides managed detection and response services using agentic AI for security operations.

Managed detection and responseOverland Park, United StatesPrivate
Globalgig

Globalgig provides managed security and network services to enterprises across multiple countries.

Managed security servicesSan Antonio, United StatesPrivate
Huntress

Huntress provides managed cybersecurity services including endpoint detection, identity threat detection, and security awareness training.

Managed detection and responseColumbia, United StatesPrivate
Intezer

Intezer provides an AI-powered security operations center that investigates all alerts at forensic depth.

Agentic SOC toolsNew York, United States2015Private
Kaseya

Kaseya provides software for IT management, security and automation to IT teams and managed service providers.

Managed detection and responseMiami, United States2000Private
Kyndryl

Managed security operations, threat intelligence and incident response services delivered from global security operations centres by an IT infrastructure services provider.

Managed security servicesNew York, United StatesPrivate
LevelBlue (formerly Trustwave)

Managed security provider that now runs Trustwave's SpiderLabs penetration testing team, with CREST-accredited testing, red and purple teaming, and deep PCI DSS expertise.

Managed detection and responseChicago, United States1995Private
Lorikeet Security

Lorikeet Security provides penetration testing, incident response, and security leadership services.

Penetration testingKissimmee, United States2021Private
Mandiant

Mandiant provides threat intelligence and incident response, now sold as Google Threat Intelligence alongside VirusTotal within Google Cloud.

Incident responseUnited States2004Part of Google
Microsoft

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

Identity and access managementRedmond, United States1975Public, MSFT
MonsterCloud

MonsterCloud provides managed cloud, IT and cyber security services, including ransomware recovery, to businesses across the United States.

Managed security servicesHollywood, United StatesPrivate
Netrio

Netrio provides managed IT, cybersecurity, cloud, and connectivity services to mid-market enterprises.

Managed security servicesMcKinney, United StatesPrivate
NINJIO

NINJIO provides cybersecurity awareness training and human risk management through personalised coaching and phishing simulations.

Security awareness and human riskWestlake Village, United StatesPrivate
nuHarbor

nuHarbor provides cybersecurity services and managed security operations to organisations across government, healthcare, finance and enterprise.

Managed security servicesUnited States2013Private
Ontinue

Ontinue provides managed detection and response services for Microsoft security customers.

Managed detection and responseRedwood City, United StatesOwned by Quorum Cyber
Palo Alto Networks

Palo Alto Networks provides cybersecurity platforms and services to protect organizations from cyber threats.

FirewallsSanta Clara, United States2005Public, PANW
Quzara

Quzara provides FedRAMP compliance advisory and managed detection and response services.

Managed detection and responseVienna, United StatesPrivate
Rapid7

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

Vulnerability managementBoston, United States2000Public, RPD
Red Canary

Zscaler provides cloud-based security, network and transformation services for enterprises.

Managed detection and responseSanta Clara, United States2014Part of Zscaler
Redpoint Cybersecurity

US-wide pen testing firm serving major cities including Atlanta, Dallas, Denver, Houston, and Miami with security assessments.

Penetration testingDenver, United States2015Private
REJIS

REJIS provides technology solutions for public safety and government agencies.

Managed security servicesSt. Louis, United States1974Private
ReliaQuest

ReliaQuest provides an AI security operations platform for enterprises to detect and respond to threats.

SOAR and security automationTampa, United StatesPrivate
SCYTHE

SCYTHE provides a platform for continuous adversarial exposure validation across IT, cloud, and OT environments.

Breach and attack simulationColumbia, United States2018Private
Securonix

Securonix provides a cloud-native platform for security operations, combining SIEM, UEBA, SOAR and threat intelligence.

SIEMSan Mateo, United States2008Private
SentinelOne

SentinelOne provides an AI-native cybersecurity platform for endpoint, identity, and cloud protection.

EDR and XDRMountain View, United States2013Public, S