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.
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See also MDR providers and companies based in the United States.
| Company | Category | Based in | Founded | Ownership |
|---|---|---|---|---|
7AI 7AI provides AI agents that automate security operations centre tasks for enterprises. | Agentic SOC tools | Boston, United States | 2024 | Private |
Alcott Enterprises Managed IT Services & Cybersecurity Alcott Enterprises is a managed IT service provider and cybersecurity company based in Los Angeles. | Managed security services | Torrance, United States | 2014 | Private |
Arctic Wolf Arctic Wolf provides managed security operations, threat detection and incident response services to organisations. | Managed detection and response | Eden Prairie, United States | 2012 | Private |
A Armor Provides cloud security, compliance and managed detection and response services to regulated industries. | Managed detection and response | Plano, United States | 2009 | Private |
Artemis Security Artemis Security provides an AI-native security operations platform that detects, investigates and responds to cyber attacks. | SIEM | New York, United States | Private | |
Athena Agentic Athena Agentic provides a unified cyber operations platform that automates detection, response, and hardening. | Agentic SOC tools | Dallas, United States | Private | |
Barracuda Networks Barracuda Networks provides cybersecurity solutions for email, networks, applications, and data. | Email security | Campbell, United States | 2003 | Owned by KKR |
Binary Defense Binary Defense provides managed detection and response services and an AI-powered security platform. | Managed detection and response | Stow, United States | Private | |
Blumira Blumira provides a security operations platform for IT teams to detect and respond to threats. | SIEM | Ann Arbor, United States | Private | |
Boston Managed IT Boston Managed IT is a managed service provider based in Waltham, Massachusetts, founded in 2017. | Managed security services | Waltham, United States | 2015 | Private |
Cantina Cantina provides an agentic security platform that uses autonomous AI agents to detect, respond to, and fix security issues. | AI and LLM security | Miami, United States | Private | |
Cofense Cofense provides phishing detection and response services using AI and human validation. | Email security | Arlington, United States | Private | |
Comodo Group Comodo Group sells cybersecurity products and services to businesses and organisations. | Endpoint protection and antivirus | Clifton, United States | 1998 | Private |
Critical Start Critical Start provides managed detection and response services to monitor, investigate, and resolve security threats for organisations. | Managed detection and response | Plano, United States | 2012 | Owned by Vista Equity Partners |
CrowdStrike CrowdStrike provides AI-native cybersecurity solutions to stop breaches. | EDR and XDR | Austin, United States | 2011 | Public, CRWD |
CyberSheath CyberSheath provides cybersecurity compliance services for DOD contractors, focusing on CMMC, DFARS, and NIST standards. | GRC and compliance automation | Reston, United States | 2012 | Private |
Cyderes Cyderes provides managed cybersecurity services including identity, threat detection, and exposure management. | Managed detection and response | Kansas City, United States | Private | |
Datto Datto provides backup and disaster recovery, endpoint management, professional services automation, networking and cybersecurity solutions. | Backup and cyber recovery | Norwalk, United States | 2007 | Part 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 response | Atlanta, United States | 2012 | Private |
Dragos Dragos provides cybersecurity for industrial control systems and operational technology environments. | OT and ICS security | Houston, United States | 2016 | Part of Accenture |
Dropzone AI Dropzone AI builds AI agents that investigate security alerts and hunt threats for security teams. | Agentic SOC tools | Seattle, United States | 2022 | Private |
Druva Druva provides a fully managed SaaS platform for data backup, recovery, and cyber resilience. | Backup and cyber recovery | Sunnyvale, United States | 2008 | Private |
Exaforce Exaforce provides an agentic AI platform for security operations, detection, triage, investigation and response. | Agentic SOC tools | San Jose, United States | 2023 | Private |
Expel Expel provides managed detection and response security services using AI and human analysts. | Managed detection and response | Herndon, United States | 2016 | Private |
Fleet Defender Hardware and software that detect cyber attacks and cargo theft on fleet vehicles, backed by a vehicle SOC. | Automotive cybersecurity | Omaha, United States | Private | |
Foresite Cybersecurity Foresite provides managed detection and response services using agentic AI for security operations. | Managed detection and response | Overland Park, United States | Private | |
Globalgig Globalgig provides managed security and network services to enterprises across multiple countries. | Managed security services | San Antonio, United States | Private | |
Huntress Huntress provides managed cybersecurity services including endpoint detection, identity threat detection, and security awareness training. | Managed detection and response | Columbia, United States | Private | |
Intezer Intezer provides an AI-powered security operations center that investigates all alerts at forensic depth. | Agentic SOC tools | New York, United States | 2015 | Private |
Kaseya Kaseya provides software for IT management, security and automation to IT teams and managed service providers. | Managed detection and response | Miami, United States | 2000 | Private |
Kyndryl Managed security operations, threat intelligence and incident response services delivered from global security operations centres by an IT infrastructure services provider. | Managed security services | New York, United States | Private | |
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 response | Chicago, United States | 1995 | Private |
Lorikeet Security Lorikeet Security provides penetration testing, incident response, and security leadership services. | Penetration testing | Kissimmee, United States | 2021 | Private |
M Mandiant Mandiant provides threat intelligence and incident response, now sold as Google Threat Intelligence alongside VirusTotal within Google Cloud. | Incident response | United States | 2004 | Part of Google |
Microsoft Microsoft sells software, cloud services, hardware, and gaming products. | Identity and access management | Redmond, United States | 1975 | Public, MSFT |
MonsterCloud MonsterCloud provides managed cloud, IT and cyber security services, including ransomware recovery, to businesses across the United States. | Managed security services | Hollywood, United States | Private | |
Netrio Netrio provides managed IT, cybersecurity, cloud, and connectivity services to mid-market enterprises. | Managed security services | McKinney, United States | Private | |
NINJIO NINJIO provides cybersecurity awareness training and human risk management through personalised coaching and phishing simulations. | Security awareness and human risk | Westlake Village, United States | Private | |
nuHarbor nuHarbor provides cybersecurity services and managed security operations to organisations across government, healthcare, finance and enterprise. | Managed security services | United States | 2013 | Private |
Ontinue Ontinue provides managed detection and response services for Microsoft security customers. | Managed detection and response | Redwood City, United States | Owned by Quorum Cyber | |
Palo Alto Networks Palo Alto Networks provides cybersecurity platforms and services to protect organizations from cyber threats. | Firewalls | Santa Clara, United States | 2005 | Public, PANW |
Quzara Quzara provides FedRAMP compliance advisory and managed detection and response services. | Managed detection and response | Vienna, United States | Private | |
Rapid7 Rapid7 provides AI-powered managed cybersecurity operations, including MDR, SIEM, and vulnerability management. | Vulnerability management | Boston, United States | 2000 | Public, RPD |
R Red Canary Zscaler provides cloud-based security, network and transformation services for enterprises. | Managed detection and response | Santa Clara, United States | 2014 | Part of Zscaler |
R Redpoint Cybersecurity US-wide pen testing firm serving major cities including Atlanta, Dallas, Denver, Houston, and Miami with security assessments. | Penetration testing | Denver, United States | 2015 | Private |
REJIS REJIS provides technology solutions for public safety and government agencies. | Managed security services | St. Louis, United States | 1974 | Private |
ReliaQuest ReliaQuest provides an AI security operations platform for enterprises to detect and respond to threats. | SOAR and security automation | Tampa, United States | Private | |
SCYTHE SCYTHE provides a platform for continuous adversarial exposure validation across IT, cloud, and OT environments. | Breach and attack simulation | Columbia, United States | 2018 | Private |
Securonix Securonix provides a cloud-native platform for security operations, combining SIEM, UEBA, SOAR and threat intelligence. | SIEM | San Mateo, United States | 2008 | Private |
SentinelOne SentinelOne provides an AI-native cybersecurity platform for endpoint, identity, and cloud protection. | EDR and XDR | Mountain View, United States | 2013 | Public, S |