Directory · US
Computer and Network Security in United States
A register of firms and the professionals working at them in the Computer and Network Security sector based in United States. Browse the public index, then filter or export on Kipplo.
Companies
8.7K on file
Esoft
eSoft is a leader in providing Simply Better Network Security™ to businesses of nearly any size. Privately-held eSoft, based in the foothills of Broomfield, Colorado, has developed the award-winning InstaGate and ThreatWall security appliances, as well as modular software bundles called ThreatPaks that provide Email and Web security. With over appliances shipped to more than 40 countries, eSoft is providing network security to businesses in nearly every major industry, including education, finance, retail, and healthcare. Powered by our Distributed Intelligence Architecture™ (DIA), eSoft’s products provide deep-packet Firewall and VPN capabilities, as well as protection against the new breed of converged threats that combine spam, viruses, spyware and other malware into powerful, targeted attacks. eSoft Email and Web ThreatPaks provide comprehensive security, with simple, yet flexible, configuration settings that enable you to customize the security protection for your business needs. An innovator in the field of network security and subscription management, eSoft holds key patents related to delivering security services via the Internet. With the largest and fastest growing malware database, combined with our 24 hour a day Threat Prevention Team, eSoft provides the most rapid threat detection and response network available.
51 to 200 staff
Evolve Security
Evolve Security is an offensive cybersecurity solution, delivering continuous penetration testing with the optimal blend of AI automation and human expertise, providing peace of mind through greater cyber resiliency. Powered by the Darwin Attack® Platform, our firm delivers Attack Surface Management (ASM) and Continuous Penetration Testing (CPT), and cyber advisory. Evolve Security’s Academy has been ranked the #1 cybersecurity bootcamp for six straight years.
51 to 200 staff
Exabeam
Exabeam is a leader in intelligence and automation that powers security operations for the world’s smartest companies. As a global cybersecurity innovator, Exabeam provides industry-proven, security-focused, and flexible solutions for faster, more accurate threat detection, investigation, and response (TDIR). Cutting-edge technology enhances security operations center performance, optimizing workflows and accelerating time to resolution. With consistent leadership in AI innovation and a proven track record in security information and event management (SIEM) and user behavior analytics, Exabeam empowers global security teams to combat cyberthreats, mitigate risk, and streamline operations. Learn more at
501 to 1000 staff
First
The Forum of Incident Response and Security Teams (FIRST) is an international, non-profit association of computer security incident response teams. Membership in FIRST enables incident response teams to more effectively respond to security incidents by providing access to best practices, tools, and trusted communication with member teams.
1 to 10 staff
First Information Technology Services, Inc
Designing Information Security Solutions with YOU in Mind.
51 to 200 staff
Fix
Fix helps companies create secure cloud environments across AWS, Azure, GCP and Kubernetes. Our product creates a normalizing layer across clouds that simplifies the discovery of risky assets, data and identities. Fix integrates with developer tooling and workflows to automate the removal of these risky assets.
1 to 10 staff
Fss Technologies
With over 45 years of experience, FSS Technologies is an industry leader in providing physical security and life safety solutions for business, industry, education, health care, and government. We provide technology leading solutions and back-end management in the areas of surveillance, access, audio and video, intercom systems, fire alarm, in-car/mobile video and body cameras. Our mission is to make your life easier through technology. We are committed to find the best solutions for your technology needs, all while reducing total cost of ownership and providing world class 24-hour customer service. When you call us, you speak with a committed customer care specialist, not a machine. Your satisfaction is our #1 priority. FSS consistently delivers high quality customer satisfaction because we are focused on attracting, training, and retaining the best talent in the security industry. Each member of our team receives ongoing training, and is empowered to solve customer issues without hassle. All of our technicians hold NICET certifications and are factory certified by the manufactures we represent.
11 to 50 staff
Glasswall
Glasswall is a cybersecurity company that protects government agencies and commercial organizations from malicious files with its Content Disarm and Reconstruction (CDR) technology. Unlike traditional detection-based methods, Glasswall employs a zero-trust approach, which removes the ability for malware to exist in files altogether.
51 to 200 staff
Gtb Technologies Inc
The leader of Data Security solutions, GTB Technologies has pioneered & created the most effective security against advanced malware and insider threats, GTB Technologies enables enterprises of all sizes, in every industry, across the globe to secure and control their sensitive data. Our customers serve the public, some govern and protect their citizens while others fly into clouds, or build cloud services. Some of our customers connect, educate, and empower children and adults. They help build nest eggs and protect assets, some develop and create cutting edge technologies and autos while others help the sick, the poor, and the wealthy.
51 to 200 staff
Hackerone
HackerOne is a global leader in Continuous Threat Exposure Management (CTEM). The HackerOne Platform unites agentic AI solutions with the ingenuity of the world’s largest community of security researchers to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. Through solutions like bug bounty, vulnerability disclosure, agentic pentesting, AI red teaming, and code security, HackerOne delivers measurable, continuous reduction of cyber risk for enterprises. Industry leaders, including Anthropic, Crypto.com, General Motors, Goldman Sachs, Lufthansa, Uber, UK Ministry of Defence, and the U.S. Department of Defense, trust HackerOne to safeguard their digital ecosystems. HackerOne was recognized in Gartner’s Emerging Tech Impact Radar: AI Cybersecurity Ecosystem report for its leadership in AI Security Testing and has been named a Most Loved Workplace for Young Professionals (2024).
201 to 500 staff
Huntress
Protect Your Endpoints, Identities, Logs, and Employees. The fully managed security platform that combines endpoint detection and response, Microsoft 365 identity protection, a predictably affordable SIEM and science-based security awareness training. Powered by custom-built enterprise technology for mid-market enterprises, small businesses, and the MSPs that support them and delivered by unrivaled industry analysts in our 24/7 Security Operations Center. By delivering a suite of purpose-built solutions that meet budget, security, and peace-of-mind requirements, Huntress is how the globe’s most underresourced businesses defend against today’s cyberthreats. As long as hackers keep hacking, we keep hunting.
501 to 1000 staff
Hurricane Labs
Need help before you can #TurnDataIntoDoing with Splunk? Hurricane Labs is a managed security services provider (MSSP) that focuses on Splunk. Our Splunk experts use in-house technologies and a consultative approach to help companies–whether they’re large or small–capitalize on the value of their Splunk services and enhance their cybersecurity stance. Our seasoned Splunk administrators and dedicated Security Operations Center analysts work closely with your team to enhance your monitoring and incident response capabilities. We offer services custom fit to your unique use case, enabling you to refocus your team’s resources to the business-critical issues that matter most. We are driven by our core values: Be obsessed–with security, education, and our customers’ needs; Be collaborative–we work together as a part of your team; Be flexible–we innovate new ways to improve our services and solutions.
51 to 200 staff
Id Dataweb
ID Dataweb is an integrated identity security company that provides Identity Verification, Adaptive Authentication, and Trusted Federation (Single Sign-On) solutions through our patented cloud service, the Attribute Exchange Network (AXN™). We specialize in digitally onboarding new users and simplifying subsequent logins across channels while consolidating multiple companies into one seamless, integrated process. Our services offer enhanced security with minimal friction, enabling companies to meet industry-specific compliance requirements across all channels without the need for onsite hardware or software.
11 to 50 staff
Illumio
Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. Powered by an AI security graph, our breach containment platform identifies and contains threats across hybrid multi-cloud environments – stopping the spread of attacks before they become disasters. Recognized as a Leader in the Forrester Wave™ for Microsegmentation, Illumio enables Zero Trust, strengthening cyber resilience for the infrastructure, systems, and organizations that keep the world running.
501 to 1000 staff
Intellectechs
IntellecTechs, Inc. is a premier provider of Information Technology (IT), Training and Professional Technical and Administrative services to federal and commercial customers. IntellecTechs' government customers include Department Navy Chief Information Office (DONCIO), U.S. Navy (USN), U.S. Marine Corps (USMC), National Education and Training Command (NETC), Program Executive Office (PEO) Enterprise Information Systems (EIS), National Aeronautics and Space Administration (NASA) and Space and Naval Warfare command (SPAWAR). Our project management experience and commitment to client relationship enables us to provide creative and cost-effective solutions regardless to the size of the mission. By eliminating boundaries, collaborating in new ways, and continually seeking improvement, IntellecTechs is helping clients at all levels to connect, protect, and serve citizens better than ever. Our headquarters is located in Virginia Beach, VA and is also a certified testing center authorized to administer Prometric and Pearson VUE exams. IntellecTechs is an 8(a) Certified by the SBA, Economically Disadvantaged Women Owned Small Business (EDWOSB), Service-Disabled Veteran-Owned Small Business (SDVOSB), Small Disadvantaged Business (SDB) and Small Women and Minority Owned (SWaM).
51 to 200 staff
Knowbe4
KnowBe4 empowers your workforce to make smarter security decisions every day. Trusted by over organizations worldwide, KnowBe4 helps you strengthen your security culture and manage human risk. KnowBe4 offers a comprehensive AI-driven "best-of-suite" platform for human risk management (HRM), creating an adaptive defense layer that fortifies user behavior against the latest cybersecurity threats. The HRM+ platform includes modules for awareness and compliance training, cloud email security, real-time security coaching, crowdsourced anti-phishing, AI Defense Agents and more. As the only global security platform of its kind, KnowBe4 transforms your largest attack surface—your workforce—into your biggest asset, actively protecting your organization against cybersecurity threats.
1001 to 5000 staff
Liongard
Liongard is redefining Attack Surface Management with an intelligent, AI-powered platform built for modern IT and security operations. Trusted by MSPs, MSSPs, and IT providers to protect over end customers, Liongard delivers unified visibility across users, systems, networks, and cloud environments. With over 85 integrations, Liongard empowers teams to uncover hidden risks, enforce cybersecurity posture, and automate the actions that matter most. By combining deep asset intelligence with real-time insight and scalable remediation, Liongard fuels cyber resilience, operational efficiency, and sustainable growth. For more information, visit
51 to 200 staff
Morphisec
We empower organizations with resilient, self-healing capabilities that prevent and neutralize even the most advanced cyber threats.
51 to 200 staff
Netfoundry
NetFoundry reinvented networking by making it secure by design. Each NetFoundry overlay is zero trust native. This means you don't need to add VPN, ZTNA or MPLS spokes to your WAN - you get universal zero trust with one set of identities, policies, controls and telemetry. NetFoundry is software-only so can be deployed on-premises, or businesses use NetFoundry's global NaaS. Solution providers add NetFoundry into their connected products - in partner, OEM and white-label models. Businesses get zero trust native networks - using it for a single application (even AI and APIs) or an entire WAN - for OT, IoT, IT.
51 to 200 staff
Nexum, Inc
Founded in Chicago in 2002, Nexum, Inc. takes a comprehensive approach to security. From the detection and prevention of network threats, intrusions, and disruptions, to ensuring our best in order to complete business objectives - we create custom solutions to fit your needs. What makes us different than other security companies? Security is our focus and our specialty. We understand that IT security doesn’t have to be complex to be effective. We take a smart, no-nonsense approach to help our clients simplify and meet their IT security needs in a fully customized way. With offices in the Midwest, Southeast, Southwest, and Northeast, Nexum continues its dedication to technical excellence with a customer-centric approach. Nexum has redundant security and network operation command centers in Chicago and New Mexico, providing ‘round the clock delivery of Nexum’s first*defense® line of managed security services and technical support to customers from large multinational corporations to smaller, regional and local organizations. Nexum is a highly qualified provider of IT security solutions, including: • Hardware and Software Products • Security Engineering and Architecture Services • Managed Security Services • Level I and Level II Support programs for Check Point, F5, Juniper, Blue Coat Systems and Nokia • Authorized Security Training • IT Risk Assessment and Application Security Testing Services At Nexum, working to ensure the security and availability of your critical business infrastructure is more than just our business — it is our pastime, our mission, and our passion. In 2008, Nexum was named to Inc. Magazine’s 500 Fastest-Growing Private Companies, and CRN’s Fast Growth 100. Nexum was recently named 10th in the 2008 Crain’s Fastest-Growing Chicago Companies.
51 to 200 staff
Niagara Networks
Niagara Networks is a Silicon Valley-based company that pioneers the Open Visibility Platform to bring desperately needed agility to network security. Niagara Networks solutions enable NetOps and SecOps teams to easily and efficiently operate and administer multiple security tools and platforms with service scale and flexibility while reducing operational expenses and downtime. Niagara Networks provides high-performance, high-reliability network visibility and traffic delivery solutions for the world's most demanding service providers and enterprise environments. Our solutions are installed in the world’s most prominent networks, empowering Security and Network Operations Centers (SOC/NOC) with end-to-end visibility and actionable traffic intelligence across physical and virtual networks. A former division of Interface Masters, Niagara Networks creates all the building blocks for an advanced Visibility Layer at all data rates up to 100Gb on all types of networks, including 5G, with solutions for taps, bypass elements, packet brokers, and a unified management layer. We design, develop & manufacture our products in Silicon Valley, USA.
51 to 200 staff
Ninjio Cybersecurity Awareness Training
NINJIO is an all-in-one solution that lowers human-based cybersecurity risk through engaging training, personalized testing, and insightful reporting. Our multi-pronged approach to training focuses on the latest attack vectors to build employee knowledge and the behavioral science behind human engineering to sharpen users’ intuition. The proprietary NINJIO Risk Algorithm™ identifies users’ social engineering vulnerabilities based on NINJIO Phish3D phishing simulation data and informs content delivery to provide a personalized experience that changes individual behavior. We serve some of the largest companies in the world and have changed the behavior of hundreds of thousands of people through engaging, emotionally driven storytelling. Our philosophy? No more boring, check-the-box security awareness lectures. Simply teach, test, repeat, and stay secure. NINJIO has an overall rating of 4.9 out of 5 stars in the Security Awareness Computer-Based Training Market according to Gartner Peer Insights’ Voice of the Customer report. And we’re the only company in our industry to be named “Customers’ Choice” in each of the last five years. CISO’s love our engaging content and easy-to-implement solutions. We’d love to hear how we can help your organization stay secure. Contact us at https://ninjio.com/contact
51 to 200 staff
Nowsecure
NowSecure is the leader in Mobile Application Risk Management, providing automated and human-augmented testing solutions that deliver speed, depth, and accuracy to protect the mobile ecosystem. Trusted by hundreds of enterprises, government agencies, and global brands, NowSecure helps organizations accelerate mobile innovation while managing security and privacy risks with confidence.
51 to 200 staff
Nucleus Security
Transforming vulnerability and exposure management programs, Nucleus helps enterprises and government agencies unify asset, vulnerability, and threat data to automatically prioritize and mitigate critical exposures, at scale.
51 to 200 staff
