| Company | Cybersecurity Sector | Corporate HQ |
| Security Innovation | Application Risk Management | Wilmington MA |
| CA Technologies | Application Security Testing | New York City NY |
| VASCO Data Security | Authentication & e-Signature Solutions | Marlborough MA |
| GlobalSign | Authentication & Identity Service Provider | Portsmouth NH |
| GreatHorn | Automated Threat Detection | Waltham MA |
| Harman | Automotive Cyber Security | Stamford CT |
| Biocatch | Behavioral Biometrics | New York City NY |
| HYPR | Biometric Security | New York City NY |
| NXT-ID | Biometric Security Solutions | Oxford CT |
| White Ops | Bot Fraud Detection & Prevention | Brooklyn NY |
| Flashpoint | Business Risk Intelligence | New York City NY |
| Threat Stack | Cloud Infrastructure Security | Boston MA |
| Namogoo | Customer Hijacking Prevention | Boston MA |
| Fidelis Cybersecurity | Cyber Attack Defense | Waltham MA |
| Assured Information Security | Cyber Defense Technology | Rome NY |
| Raytheon Cyber | Cyber Security Services | Waltham MA |
| Wetstone Technologies | Cybercrime Investigations & Digital Forensics | Cortland NY |
| United Technologies | Cybersecurity & Risk Management | Farmington CT |
| EY | Cybersecurity Consulting & Advisory | London, UK |
| Skout Secure Intelligence | Cybersecurity Monitoring | New York City NY |
| Secure Decisions | Cybersecurity R&D, Product Development | Northport NY |
| Kroll | Cybersecurity Services | New York City NY |
| Booz Allen | Cybersecurity Solutions & Services | New York City NY |
| Digital Guardian | Data Loss Prevention | Waltham MA |
| Varonis | Data Security & Analytics | New York City NY |
| Arbor Networks | DDoS Attack & Threat Proection | Burlington MA |
| Corero | DDoS Defense & Security Solutions | Hudson MA |
| Deep Instinct | Deep Learning Security | New York City NY |
| LIFARS | Digital Forensics & Cyber Intelligence | New York City NY |
| Payfone | Digital Identity Authentication | New York City NY |
| Mimecast | Email Security | Watertown MA |
| Comodo | Endpoint & Internet Security | Clifton NJ |
| Carbon Black | Endpoint & Server Security Platform | Waltham MA |
| Cybereason | Endpoint Protection & Hunting Engine | Boston MA |
| Protegrity | Enterprise Data Security | Stamford CT |
| IBM Security | Enterprise IT Security Solutions | Waltham MA |
| Accenture | Enterprise Security Strategy | New York City NY |
| Pwnie Express | Enterprise Threat Detection | Boston MA |
| Onapsis | ERP Cybersecurity Solutions | Boston MA |
| Deloitte | Global Risk Management Services | New York City NY |
| Uplevel Security | Incident Analysis & Response | New York City NY |
| GreyCastle Security | Information Security Consulting | Troy NY |
| RSA | Intelligence Driven Security | Bedford MA |
| Bayshore Networks | Internet of Things Security | New York City NY |
| SecureRF | IoT Security | Shelton CT |
| Rsam | IT Governance, Risk & Compliance | Secaucus NJ |
| VMRay | Malware Detection & Analysis | Boston MA |
| AT&T Network Security | Managed Security & Consulting | Bedminster NJ |
| Verizon Enterprise | Network & Data Security | Basking Ridge NJ |
| NETSHIELD | Network Security Appliances | Nashua NH |
| Bradford Networks | Network Security Automation | Boston MA |
| CounterTack | Real Time Attack Intelligence | Waltham MA |
| Recorded Future | Real-Time Threat Intelligence | Somerville MA |
| Reservoir Labs | Real-Time Threat Visibility | New York City NY |
| Avanan | SaaS Security Platform | New York City NY |
| Akamai Technologies | Secure Cloud & Mobile Computing | Cambridge MA |
| BlackStratus | Security & Compliance Management | Stamford CT |
| Rapid7 | Security Data & Analytics Solution | Boston MA |
| Imprivata | Security for Healthcare Providers | Lexington MA |
| Verint | Security Intelligence & Compliance | Melville NY |
| Siemplify | Security Orchestration & Incident Response | New York City NY |
| AlgoSec | Security Policy Management | Boston MA |
| BitSight | Security Rating Platform | Cambridge MA |
| SecurityScorecard | Security Ratings & Assessments | New York City NY |
| Cybric | Security-as-a-Service | Boston MA |
| NetScout | Situational Awareness & Incident Response | Westford MA |
| Socure | Social Biometrics | New York City NY |
| SecureMySocial | Social Media Security | New York City NY |
| GrammaTech | Software Code Security | Ithaca NY |
| ReversingLabs | Threat Hunting & Analysis | Cambridge MA |
| BlueVoyant | Threat Intelligence & Managed Security | New York City NY |
| Berkeley Varitronics Systems | Wireless & Contraband Detection | Metuchen NJ |
| Capsule8 | Zero Day Attack Detection | Brooklyn NY |
Source:
cybersecurityventures.com/