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
Kyrus Tech
Kyrus is a security innovation company solving the world's hardest computer security problems. Specializing in software and hardware reverse engineering and secure software development, our team is able to approach our customers' projects with a depth of expertise and ingenuity that is truly world-class. Our team has held senior technical and leadership positions in a variety of organizations, including government agencies, military departments, major financial institutions and R&D firms, working on critical problems of global significance. We strive to have the greatest possible impact on our customer's mission, delivering results where others cannot. The more difficult your project, the more we want to hear from you. Kyrus is the company of choice for organizations trying to address the most difficult security problems.
11 to 50 staff
Lacework
Lacework is now a part of Fortinet. Follow us there for the latest news on our data-driven cloud-native application protection platform (CNAPP).
1001 to 5000 staff
Lake Business Products
We are a leading provider of cyber security solutions, IT services, workflow solutions, managed network services, managed print services, document storage and management, and a full line of award winning Canon and HP products to our clients. We are proud to be family owned and operated, and are committed to excellence, best quality, most cost efficient and reliable business products and solutions to our customers and supporting our community. Our mission is to build successful relationships that make a difference by providing quality document technology, products and services. The foundation of our success is based on exceeding the expectations of our clients, employees, partners and community. With dedicated and outstanding sales reps and service teams, we at Lake Business guarantee to create a relationship with you and your business that will last for years!
51 to 200 staff
Legato Security
Our mission is to provide comprehensive, customer-centric managed cyber security services that effectively manage and mitigate cyber risks on behalf of our customers. We continually adapt and innovate our services to stay ahead of emerging threats and evolving technologies, delivering peace of mind and enabling our customers to focus on their core business objectives. With a team of dedicated experts and cutting-edge technologies, we strive to build trusted partnerships, deliver exceptional value, and safeguard our customers' digital assets with unwavering commitment.
51 to 200 staff
Leviathan Security Group
Information Security. Governance, Risk, and Compliance. Threat Modeling. Secure Development. Information Policy. We understand these. We understand how important they are to your business. We learn your business, and how you use information. We assess your organization's tolerance for risk, and then provide clear insight for your technology operations, development and management. Leviathan provides a broad set of information security services ranging from low-level technical engineering to strategic business consulting. We're as comfortable with fuzzing the firmware on your novel embedded device as we are with conducting a penetration test, reviewing your source code, or evaluating the security of your Internet-scale application-and our consultants speak to both engineers and boardrooms. Our methodology is grounded in measurable facts, and field-tested by humans. Our consultants are experts in their fields known around the world for their research. Our clients range from the Fortune 50 to startups, and from lawyers, to banks, to utilities. Innovate fearlessly.
51 to 200 staff
Linkshadow
LinkShadow is redefining cybersecurity with CyberMeshX, a unified platform that integrates Data, Identity, and Network protection. Powered by advanced analytics, AI, and machine learning, CyberMeshX delivers real-time, intelligent threat detection and response across the entire digital landscape—empowering security teams to stay ahead of sophisticated cyber threats. Alongside the Open Integration Platform, LinkShadow offers high-end security solutions including Network Detection and Response (NDR), Data Security Posture Management (DSPM), and Identity Threat Detection and Response (ITDR). These solutions work together to provide deep network visibility, safeguard sensitive data, and prevent identity-based attacks—all through a single, unified security ecosystem. LinkShadow enables businesses to secure what matters most—identities, data, and networks—with speed, precision, and confidence.
51 to 200 staff
Lmg Security
LMG Security is an internationally recognized leader in cybersecurity. It is a full-service consulting firm, delivering proactive cybersecurity solutions, advisory and compliance services, penetration testing, training, and more. The LMG Security team has published game-changing cybersecurity research, written books on ransomware, data breaches and network forensics, and routinely speaks or trains at Black Hat, RSA, and many other security conferences. With a wide range of clients, including government agencies, financial institutions, health care organizations, law firms, academia, Fortune 500 companies and more, the LMG Security team has also had their expertise noted on the TODAY show and in The New York Times.
11 to 50 staff
Loch Technologies
LOCH is a global leader of next-generation wireless threat monitoring. The company provides actionable intelligence on all 5G cellular and wireless IoT devices to help organizations improve their security posture, reduce risk, and manage wireless data usage across the enterprise. Every wireless device needs to be visible and secure, regardless of what type of device it is, what protocol it uses, and who owns it. This guides everything we do and why LOCH aims to secure and enable the new world of wireless innovation that will drive the next generation of digital transformation. Find out more at
11 to 50 staff
Lockncharge
LocknCharge has solutions to meet your mobile device management needs. LocknCharge solutions reduce stress and headaches for IT staff, get students and staff back to work faster, and make life easier for device users. Ensure mobile devices are always accessible and ready. Our products are designed to store, charge, secure and transport mobile devices to simplify workflow and increase efficiency. LocknCharge serves many different industries including education, healthcare, corporate/SMB, restaurants and more. Product offerings include: FUYL Smart Locker Systems, multi-device charging carts, multi-device charging stations and portable charging stations. Manage mobile devices with LocknCharge’s complete suite of future-proof solutions.
51 to 200 staff
Lumifi
At Lumifi, our mission of cybersecurity spans the full cybersecurity lifecycle, from strategy to defense. Led by seasoned SOC operators and incident response experts, we integrate elite staff with your team, to deliver 24/7 white-glove service and managed protection. We work with you to architect a unified strategy that anticipates threats, accelerates detection, automates attacker disruption, and continuously advances defense. Our adaptive approach focuses on optimizing your existing tech stack, or additional tools, with expert-led security leadership. When threats emerge, we act fast, containing incidents in real time to minimize impact and prevent lateral movement. Backed by innovation and strategic partnerships, Lumifi evolves faster than the threat landscape. From proactive threat hunting to rapid response, we defend what matters most to you. Enterprise-Level Cybersecurity Protection for All
51 to 200 staff
Material Security
Material Security is an automated detection and response toolkit for Google Workspace and Microsoft 365, combining email security, data security, identity protection, and configuration management in a single platform.
51 to 200 staff
Mbl Technologies Inc
MBL Technologies Inc. is a Service-Disabled Veteran-Owned Small Business (SDVOSB) that specializes in Digital Solutions, Risk Management, Compliance and Advisory, and Management Consulting. As a small business, MBL’s growth comes directly from our deep understanding of business, project, and information security industries; experienced and dedicated staff; and MBL’s investment in its employees. The MBL environment is expressly designed to inspire all employees to put forth their best. MBL leadership and staff continuously recognize individual successes, milestones, and contributions, and make a point to celebrate these achievements together. MBL maintains an active calendar of company and community-based events to strengthen our unity, skills and expertise, and continue the unique MBL work-life-fun balance that makes MBL a great organization to be a part of and place to work.
11 to 50 staff
Mcafee
We’re creating what’s next in online protection. As technologists, creatives, and people who thrive on looking forward, we make life online safe, so everyone can enjoy it with confidence—in all the ever-shifting forms it will take. Just as life online is full of possibility, life at McAfee is as well. You’ll have the freedom to explore challenges, take smart risks, and reach your potential in one of the fastest-growing industries in the world—backed by a team that supports and inspires you.
1001 to 5000 staff
Mdaemon Technologies
MDaemon Technologies is a pioneer in developing email and email security software helping to protect customers from evolving email-borne cyber-security threats. Its products and services are trusted by thousands of organizations in over 140 countries. For more than 25 years, the company’s products have been developed with the ongoing input of IT professionals who demand reliable, affordable software that requires minimal effort to manage. The MDaemon Email Server is a leading alternative to Microsoft Exchange and 365. The MDaemon Security Gateway is a trusted email gateway solution that protects Microsoft Exchange, 365 and other email servers. Industries as diverse as healthcare, government, finance, education, manufacturing and transportation use our products because they offer administrative control and flexibility combined with strong security and reliability. We offer a variety of deployment options including virtual, cloud, hybrid, or on-premise environments. Companies can purchase our products directly or through a global network of resellers and MSPs.
11 to 50 staff
Mindpoint Group, A Tyto Athene Company
When it comes to Information Security Consulting, we are the team the specialists turn to. MindPoint Group, A Tyto Athene Company, understands cybersecurity from every angle. We offer clients a broad perspective on today’s security challenges and early insights into tomorrow’s threats. At MindPoint Group, our cybersecurity professionals are information security consulting experts. As a FedRAMP 3PAO and CMMC advisors, we understand the nature of risks and the regulatory challenges you face. We deliver today’s most advanced and dependable security solutions customized to meet your needs and help you meet your regulatory obligations. MindPoint Group has worked with the Federal Government and Private sector for 15 years, helping to develop and maintain some of the most secure information systems in the world. We assess, protect, maintain, respond, and automate systems for companies and agencies of all sizes. Some of our popular services include 24/7/365 MDR & SOC-as-a-Service, FedRAMP advisory and assessment services, CMMC advisory, Penetration Testing, Security Architecture & Engineering, and GRC services & support. Our cybersecurity specialists are located throughout the United States and are available to help augment your team's security capabilities and response times. Get a hold of us and together let's see how MPG can help Enable Your Mission.
1001 to 5000 staff
Mobicip
Recognized by Forbes Vetted as one of the best parental control apps, Mobicip is the most popular parental control and online safety solution designed to help parents manage and guide their children’s online habits across smartphones, tablets, and laptops. With powerful features like content filtering, screen time management, app blocking, location tracking, and usage insights, Mobicip helps families create a safe and balanced online environment for kids. Trusted by millions of families and hundreds of K–12 schools worldwide, Mobicip has been consistently rated among the best parental control software products. Our product has been recognized with multiple honors, including the Gold Award from the Mom’s Choice Awards and the 2025 Family Choice Award. But Mobicip goes beyond being just a product. Through our research-driven and community education initiatives, we empower parents, educators, and caregivers with practical insights on digital parenting, online safety, mental health, and technology’s impact on children. Our mission: To guide families in raising safe, responsible, and mindful digital citizens. Learn more and start your free trial today:
51 to 200 staff
Moxfive
MOXFIVE is cybersecurity company helping organizations respond to incidents and minimize the risk of future attacks. Over the last decade, our team of experts has helped thousands of businesses respond to major incidents and saw firsthand that there needed to be a better way for organizations to get the technical expertise they need when they need it most. Through a combination of our technical experts and proprietary platform, we bring order to chaos and deliver a tailored incident response approach and resilience-minded path forward for clients of all sizes, faster and more efficiently.
11 to 50 staff
Ncp Engineering Inc
NCP engineering, with the most flexible VPN software in the industry, is a perfect element to a successful SASE and Zero Trust strategy implementation. NCP’s solution is more than just a VPN, providing customers with rapid scalability, security, and compatibility to manage their complex private networks in an ever-changing environment. NCP gives companies the ability to be more resilient and responsive in creating, managing, and maintaining their users' network access, resulting in cost-savings, decreased network administration, increased employee productivity, and the ability to adapt policy changes on the fly. With global headquarters in Nuremberg, Germany and North American headquarters in Clearwater, Florida, NCP serves customers worldwide throughout the healthcare, financial, education, and government markets, as well as many Fortune 500 companies. NCP has established a network of national and regional technology, channel, and OEM partners to serve its customers. For more information, visit Legal disclosure:
51 to 200 staff
Netizen Corporation
Netizen is an award-winning ISO 27001/9001 and CMMI Level 3 certified provider of products and services focusing on cyber security, compliance, and software assurance (DevSecOps). In 2019 and 2020, we were America's fastest-growing cybersecurity company and 47th fastest growing company in the country. We were also named a national "Best Workplace" by Inc. Magazine for our benefits, community engagement, and corporate culture. For defense and government markets, we are experts in cyber operations and the NIST Risk Management Framework (RMF). We perform Security Control Assessment/Validation (SCA-V), security engineering and related services to assess, protect, and certify critical systems worldwide. Our personnel are certified up to DoD 8570.01-M IASAE, IAM and IAT Level as well as Navy Qualified Validator (NQV) levels I through We have a DCAA approved accounting system, a facility security clearance, and, as a verified Service Disabled Veteran Owned Business (SDVOSB), streamlined acquisition is available. Our commercial division proactively protects critical IT infrastructure. Our solutions allow companies to access proven cyber expertise, leverage advanced tools, and have 24/7/365 cyber security monitoring at an affordable cost. We also offer a security analytics suite of tools named Overwatch that continuously scans systems, networks, and traffic to uncover threats and displays results in an easy-to-interpret way for monitoring purposes. Nearly 50% of our employees are military veterans, which is a significant factor in our culture and success. We have been recognized by the U.S. Department of Labor with the HIRE Vets Platinum Medallion Award, which is the highest level a company can receive. The citation states “Netizen has demonstrated a model of patriotism worthy of praise as well as a recognition of the value veterans bring to the workplace.” - SBA Verified Service-Disabled Veteran Owned Small Business (SDVOSB) DUNS 079130028 CAGE Code 6ZLR7
11 to 50 staff
Network Builders It
At Network Builders IT, we deliver end-to-end managed IT, OT, and cybersecurity services built for manufacturing, logistics, transportation, warehousing, and civil engineering. With more than 25 years of experience, our team protects critical operations across the US and Canada and supports the full stack of industrial and enterprise technology. We specialize in plant floor systems, industrial networks, and critical equipment where traditional IT alone is not enough. By integrating OT with enterprise IT, we keep your entire environment secure, efficient, and consistently running. Our proactive support, 24-hour monitoring, and deep industry expertise help organizations reduce downtime, strengthen security, and scale with confidence. Whether you need to maintain industrial controls, safeguard sensitive data, or optimize your network, we provide reliable, high-performance solutions tailored to the demands of modern operations. Clients trust us for our commitment to doing what is right and our focus on long-term partnership. If you are looking for help with cybersecurity or technology, contact us today to schedule a free discovery call at 816 6248.
11 to 50 staff
Network Security Systems Plus, Inc
Network Security Systems Plus, Inc.(NSSPlus) is a growing Veteran owned Cyber Security Company that has been in business for over 15 years. NSSPlus is ISO 9001:2015 and ISO 27001:2013 certified with proven Cyber Security capabilities to fulfill a wide spectrum of services to the U.S. Department of Defense (DoD) and Federal Agencies. NSSPlus employs more than 170 Cyber Security professionals across Federal and DoD programs spanning seven locations across the U.S. Since NSSPlus began operating in 2001, NSSPlus continues to function in a key role in the success of several A&A, CNDSP, and Cyber Security programs for the DoD and federal government. The NSSPlus team supports Department of Defense (DoD) Components such as Defense Health Agency (DHA), Defense Contract Management Agency (DCMA), SPAWAR Atlantic, and civilian agencies such as General Services Administration (GSA) and Federal Emergency Management Agency (FEMA). NSSPlus employees are experts in Computer Network Defense and Assessment and Authorization (A&A). Our team of cyber security engineers and information assurance experts perform comprehensive network and systems evaluations tailoring industry best practices and pulling from our vast experience to create comprehensive solutions for our clients. All of our personnel are thoroughly trained in the IA and IS assessment processes based on the DoD Polices, DISA, NSA, National Institute of Standards and Technology (NIST), and industry best practices and standards. Over 80% of NSSPlus Engineers and Analysts have the Certified Information Systems Security Professional (CISSP) certification, a qualifying DoD 8570 certification, and other critical technology certifications such as C|EH, GCIA, GCIH, CNDA, CCNA, CCNP and CCIE.
51 to 200 staff
Network Security Technologies
The Wizards of CIP. Loving every second of our jobs working for the Bulk Electric System since 2003. Every NERC Region. Every CIP Standard. Generation, Transmission, and even ISO/RTOs. High, Medium, and Low Impact. Because sometimes you just want to hire someone who's done it before. NST
11 to 50 staff
Networks Group
NetWorks Group is an Ethical Hacking and Managed Security Services Provider (MSSP) with practices in Offensive Security, Defensive Security, and Integrated Risk Management. Founded in 1997, we have over 25 years of experience delivering services that improve security outcomes. Our services are designed to provide you with a clear risk-informed understanding of your security, so that you can invest where it matters. Our unique approach to security not only helps you stay ahead of cyber criminals but also helps you reduce cost and increase efficiency.
11 to 50 staff
Newpush
NewPush: Next-Gen MSSP with Continuous Threat Exposure Management (CTEM) The NewPush Platform™ delivers enterprise-grade exposure management, transforming security from reactive to strategic. Operating across 4 continents protecting millions of users, it provides- Unified Visibility: Complete attack surface awareness across assets, people & access - Smart Prioritization: AI-driven risk assessment aligned with business priorities Automated Compliance: ISO 27001, NIST, FedRAMP, PCI-DSS, HIPAA certified - Bidirectional Integration: Ingests data from existing tools while feeding strategic systems With 25+ years excellence, NewPush reduces exposure management complexity by 50% and costs by 60%. The platform's real-time intelligence, predictive analytics, and machine learning capabilities make it the digital sentinel that illuminates hidden risks and enables evidence-based defense strategies.
51 to 200 staff
