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
Rmon Networks, Inc
RMON Networks, Inc. is a leading provider of IT services to small to mid sized organizations. We offer fully Managed IT Services, or we can assist your current IT Staff with certain IT Services or high level IT Consulting. RMON Networks understands that each company we work with has individual needs and goals. We want to partner with you to help better understand these goals and develop strategic solutions for your organization. By leveraging the latest technologies, and top industry talent, RMON Networks can help take your business technology to the next level. Visit our website at to learn more.
11 to 50 staff
Safeaeon Inc
SafeAeon leads the industry as a top-tier Cybersecurity-as-a-Service provider, delivering 24x7 premium Managed Security Services with AI-powered and human-driven 24x7 SOC, cutting-edge technology, and cost-effective next-gen cybersecurity solutions. Specializing in SOC, MDR, EDR, DLP, Email Security, Penetration Testing, Digital Forensics, Incident Response, and Threat Intelligence, SafeAeon operates globally across 20+ countries, providing comprehensive solutions to combat evolving cyber threats.
51 to 200 staff
Safedns
At SafeDNS, we are committed to creating a safer and more secure online environment for SMBs, enterprises, ISPs, MSPs, OEMs, and Education. We have a global footprint, making the internet safer for millions of users in over 60 countries. With years of experience in the field of cybersecurity and DNS filtering, we offer cutting-edge solutions to safeguard your digital life. Our innovative technologies help you stay protected against malware, phishing attacks, inappropriate content, and more. Connect with us to stay updated on the latest trends in online security, industry news, and valuable insights. Join us on the safe side of the Internet!
11 to 50 staff
Secure Ideas, Llc
Founded in 2010, Secure Ideas is a small-business consulting firm. As an industry leader in security consulting, training, and penetration testing, Secure Ideas is continually striving to improve the state of the art and practice of information security. Our focus is collaborating with clients to improve their security management, and reduce the risk of potential losses through a proactive approach. Having architected security solutions for large enterprises, and performed penetration testing for numerous industries from government agencies to Fortune 100 companies, we are adept at assessing client needs, comprehending complex details on new technologies, and identifying risks to organizations. Our team of professional security consultants has more than 170 years of combined experience, with core competencies in- Web Application Penetration Testing - Mobile Device and Application Penetration Testing - Network Penetration Testing – Internal, External, Wireless - Security Architecture Reviews - Risk Assessments - Social Engineering and Social Networking Assessments - Physical Security Assessments - Security Policies and Procedures - Vulnerability Management - Information Security Governance - Information Security Training and Course Development - Technical knowledge in development, operating systems, databases, network security, storage, messaging, active directory, application security, wireless security, security controls, and much more. From open-source projects such as SamuraiWTF and Weaponized Flash, to training classes such as Security 542 and 642 from SANS, Secure Ideas involves themselves in all facets of a security program, and can help you move your organization further into the future. CREST Accredited
11 to 50 staff
Securestrux
SecureStrux® is a cybersecurity, engineering, risk, and compliance firm defending organizations that support the Department of War (DoW) and the nation’s most critical missions. We protect Defense Industrial Base (DIB) companies, multinational corporations, and government agencies by delivering practical solutions that reduce risk, ensure compliance, and secure mission-critical systems. Founded in 2013 with deep roots in the DoW cybersecurity community, SecureStrux partners with clients across the full system lifecycle—from design and implementation to assessment and sustainment. Our team combines hands-on engineering with strategic advisory services to prevent breaches, respond to threats, remediate vulnerabilities, and maintain continuous visibility into cyber risk. Our Mission To defend our nation’s critical data, provide decision-makers with visibility and assurance, reduce client risk, and protect the warfighter. Core Services • ACAS, Endpoint Security, and Splunk Engineering & Training • CMMC, RMF, and CORA Compliance Engineering, Control Implementation & Advisory • CMMC & RMF Readiness, C3PAO Assessments & Auditing • Security Architecture, System & Network Hardening, Secure Configuration • Vulnerability Assessments, Penetration Testing & Continuous Monitoring (ATO Sustainment) • SIPRNet & NIPRNet Turnkey, End-to-End Engineering • Azure & AWS Secure Cloud Management • Policy Development, Documentation & Compliance Automation • Staff Augmentation (ISSO, Cyber & Compliance Roles) PowerStrux® Created by SecureStrux to address real-world CMMC, RMF, and DoW compliance challenges. Built from years of operational, engineering, and assessment experience, PowerStrux automates evidence collection, control tracking, and continuous compliance monitoring—giving leadership real-time visibility into risk, readiness, and audit posture. Why SecureStrux • 2× Gold HIRE Vets Awardee • 3× Best Places to Work • 4× INC Fastest Growing Company • CMMC Certified C3PAO
11 to 50 staff
Securicon, Llc
Securicon provides expert consulting for application, system and network security. Services include application security evaluations, source code analysis, secure application development training, penetration and vulnerability assessments, security architecture consulting, creation of security plans and policies, as well as compliance audits and consulting. In addition to general network, system and application security experience, Securicon engineers have specific in-depth expertise in many critical infrastructure environments. This specialized experience includes industrial control systems, such as Supervisory Control and Data Acquisition (SCADA), energy management systems (EMS), distributed control systems (DCS), gas management systems (GMS) systems, as well as smart grid systems security. Securicon’s expertise in security architecture and web application security applies across all industries, including power applications, embedded device security, financial services, e-commerce, online banking, online trading, and stock market application systems.
11 to 50 staff
Securit360
SecurIT360 is a unique company driven by Cyber knowledge and applying it to eliminate blind spots. We combine the physics of security in business operations with a strong dose of common sense. Benefits SecurIT360 offers its clients: Independence. We are vendor agnostic and a client advocate. We do not “sell” or broker hardware, software, or a particular vendor. Ours is a process, not a product. Yes, you need products, but it is the applied processes that keeps you secure. Thorough and detailed. Technology is a major component of information security, but not the only one. Everyone has responsibility for security. Our most detailed assessment, the 360° audit, has over 1500 audit points that span all areas of the organization. Perspective. SecurIT360 is a knowledge-based, cyber-only firm that represents industries concerned with protecting sensitive information, including: Legal, Financial, Healthcare, Utilities, Education, and IT Services. Our recommendations come from working experience with many solutions. Flexibility. We tailor our detailed audit and measurement processes to meet your organization's goals. We offer levels of service ranging from basic vulnerability assessments to ISO program development, and compliance auditing. The learning curve has no end to it, which is one of the reasons we love it. Our understanding of security is grounded in systems engineering & security and ongoing research is our sustainable competitive advantage. It’s hard wired in the DNA of our operation.
11 to 50 staff
Security Journey
Security Journey offers robust application security education tools to help developers and the entire SDLC team recognize and understand vulnerabilities and threats and proactively mitigate these risks. The knowledge learners acquire in our programs goes beyond helping learners code more securely – it turns everyone in the SDLC into security champions. Our platform takes a unique level approach, transitioning learners from security basics to language-specific knowledge to the experiential learning required to become security champions. With lessons offered in multiple formats, including text, video, and hands-on sandbox environments, there is a modality that resonates with every learning style. Organizations with teams of security champions develop a security-first mindset that allows them to deliver safer, more secure applications.
11 to 50 staff
Sedara
Sedara is a managed information security service provider, partnering with industry leading platform providers to offer some of the most innovative cybersecurity technologies. With our team of experts, we can offer 24/7 data security to organizations of all sizes. We specialize in partnering with you to provide the resources you need to keep your data safe.
11 to 50 staff
Shaw Technology, Llc
Most businesses today rely on technology, but as we all know, technology is not always reliable. When computers and servers are down, so is company time and money. Shaw Technology offers managed services and the highest level of support so you have time to focus on growing your business. Our process is fast and simple: First, let’s set up an on-site consultation, free of charge. This gives us the opportunity to review your business goals, strategy and day-to-day operations. We will review some of your company’s I.T. needs such as email, collaboration, network design and support, server management, security solutions, and more. Our dedicated technicians can then identify areas of improvement and make recommendations to help achieve maximum availability and reliability of your technology infrastructure. We want to construct a business plan that works best for you, your employees, and your organization as whole. Contact our team at (334) 356-3461 to set up your free consultation today.
11 to 50 staff
Simility, A Paypal Service
Simility offers real-time risk and fraud decisioning solutions to protect global businesses. Simility’s offerings are underpinned by the Adaptive Decisioning Platform built with a data first approach to deliver continuous risk assurance. By combining artificial intelligence (AI) and big data analytics Simility helps businesses orchestrate complex decisions to reduce friction, improve trust, and solve complex fraud problems. Built by industry veterans, Similty is trusted by some of the world’s leading consumer brands across Financial Services, Payment Processors and Commerce merchants. To learn more, visit
10001+ staff
Soc Prime
SOC Prime operates the world’s largest and most advanced platform for collective cyber defense that cultivates collaboration from a global cybersecurity community. Powered by Sigma language and MITRE ATT & CK® as core pillars, SOC Prime drives a transformational change in cybersecurity to empower smart data orchestration, dynamic attack surface visibility, and cost-efficient threat hunting. Our innovation, backed by zero-trust & multi-cloud approach, is recognized by independent research companies, credited by leading SIEM, XDR & MDR vendors, and trusted by organizations, including 42% of Fortune 100 and 21% of Forbes Global
51 to 200 staff
Solutionary
NTT Security (US) Inc, formerly Solutionary, seamlessly delivers cyber resilience by enabling organizations to build high-performing and effective security, and risk management programs with controls that enable the increasingly connected world and digital economy to overcome constantly changing security challenges. Through the Full Security Life Cycle, we ensure that scarce resources are used effectively by providing the right mix of integrated consulting, managed, cloud, and hybrid services – delivered by local resources and leveraging our global capabilities. NTT Security is part of the NTT Group (Nippon Telegraph and Telephone Corporation), one of the largest information and communications technology (ICT) companies in the world. To visit the NTT Security Corporation global site visit:
201 to 500 staff
Speartip
Virtually anyone can provide you with basic cybersecurity hardware, software and monitoring. What makes SpearTip’s security consulting services different is that we understand the methods, motivations and mindsets of the cybercriminals targeting you. These are not tools you are fighting, they are very highly sophisticated organizations and you need experts on their level to effectively fight them. SpearTip focuses on the people behind cyberattacks, and are prepared to stop them. SpearTip works tirelessly to defend organizations, livelihoods, shareholder value, jobs, reputations, brands and most importantly, you.
51 to 200 staff
Specialized Security Services, Inc
Specialized Security Services, Inc.(S3) develops and maintains custom-tailored cybersecurity programs, so you can elevate security to where it belongs—top of mind and top-down. We are a women-owned, global cybersecurity firm with headquarters in both Dallas, TX and Europe. For over two decades, our expert team has successfully assisted organizations with the implementation and oversight of their information security, privacy and regulatory compliance programs. S3 bridges the gap between your business goals, cybersecurity needs and compliance requirements to become your trusted and valued security partner for life.
51 to 200 staff
Sprocket Security
Sprocket Security was founded to improve the way we approach cybersecurity. Currently the industry performs services in a timeboxed, or point-in-time approach. We think this is fundamentally flawed. We protect your business by monitoring the cybersecurity landscape and performing continuous penetration testing services.
11 to 50 staff
Stackarmor
stackArmor, a Tyto Athene company, invented the ATO Accelerator category and has enabled 200 + systems to achieve FedRAMP, FISMA, CMMC 2.0, and DOD cATO, all in as little as 40% of the typical time and cost. Our ThreatAlert® platform combines “in-boundary” zero-trust security with automated compliance workflows to give you full control over your cloud authorization. From initial architecture and DevSecOps automation through 24/7 Continuous Monitoring, our end-to-end delivery team—builders, engineers, and compliance experts—partners with ISV CTOs, federal agencies, and defense contractors to meet stringent standards (FedRAMP High, DISA STIG, ISO 27001, NIST, DHS, FFIEC, FERPA, CMMC). We support container, serverless, and VM environments across AWS, Google Cloud, and Azure. Our newest flagship, The Armory, is a FedRAMP High–ready platform built on Google Cloud, purpose-built to accelerate mission-critical workloads in government and regulated industries. Let’s talk about how stackArmor can engineer certainty into your next ATO. Learn more at https://stackarmor.com.
51 to 200 staff
Stackhawk
Transform application security with complete discovery of your API landscape, automated dev-native testing workflows, and actionable remediation guidance – at the pace of AI.
11 to 50 staff
Sublime Security
Sublime is the new standard for email security. Not just another black box, our AI-powered detection engine detects and prevents email attacks, so security teams can spend less time on email-originated incidents.
51 to 200 staff
Sucuri Security
We've offered holistic website security solutions since 2008 including malware removal, malware monitoring and website protection services. Our SiteCheck website security monitor is used by thousands of website owners every month to monitor their websites for malware, blacklist status and other security issues and our CloudProxy Firewall safeguards sites and those who visit them from attacks of all kinds. Our passion is growing awareness of website security issues and stamping out web-based attacks. Join us at https://sucuri.net
5001 to 10000 staff
Synercomm
SynerComm strengthens your cybersecurity and network defenses across your entire technology stack. Our experts uncover integration gaps, reduce risk, and build lasting resilience through proven security solutions. Cybersecurity Lifecycle Services – Proactive assessments, penetration testing powered by CASM®, and continuous security operations. Infrastructure & Network Expertise – Wired & wireless LAN, SASE/SD-WAN, data center, and hybrid cloud solutions designed for scalability and resilience. Elite Solution Provider – Maximizing TCO with Fortune 500 expertise in Juniper Networks, Palo Alto Networks, CrowdStrike, Infoblox, and more. With 35+ years of experience, projects delivered, and a global footprint in security and infrastructure solutions, we don’t just implement technology—we drive business transformation.
51 to 200 staff
Tab Computer Systems, Inc
TAB® Computer Systems has been committed to small / Mid-Size business computer support and service since 1983. TAB is a full service IT technology firm, with a large variety hardware, software and service solutions for companies with 5-200 users. TAB® is one of the largest IT service providers in the Hartford Metro area with a service footprint of over seats. In 2021 TAB became a 100% employee owned company! TAB® prides itself on providing quick, affordable and effective technology solutions specifically for Businesses. TAB® never charges a fee for consultations and advice to our business clients. This includes network design, upgrades and pre-configuration research, etc. As a community service since 1995 TAB® provides free computer advice every Saturday morning on their show “Computer Talk with TAB®” heard locally on WTIC NewsTalk 1080 as well as Live Streaming/Podcasts on Audacy.com. If you own a business in the Greater Hartford area, you can benefit from a partnership with TAB®. Give us a call today at or (860)-289-8850 and let us show you how. TAB® has built its reputation on quick, professional and responsive service to our clients and their computing needs.
11 to 50 staff
Tapestry Technologies, Inc
The basic foundation of Tapestry Technologies is built on our cyber defense capabilities. Tapestry personnel have provided support to key cyber programs that have evolved how the DoD handles security. Tapestry Technologies is a woman-owned small business under the $27.5 million size standard. Our size enables us to remain nimble and react quickly to rapid requirements in a ever changing environment. As a services company we understand that our people are our most valuable asset. We provide a casual work place and each employee has the opportunity to grow and learn through an annual training allowance. To be at the forefront of evolving technology, we fund a corporate research and development lab that enables us to learn and test new technologies so we can take innovating and tested solutions to our customers.
51 to 200 staff
Tekmanagement Inc
We are dedicated to designing, implementing, and maintaining computer systems that meet the needs of your business. We specialize in taking the stress out of maintaining the computer systems you need to grow your business. We offer quality computer and network equipment, system administration support and comprehensive maintenance contracts. Let us be part of your team to success.
11 to 50 staff