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
Wazuh
Wazuh is a free and open-source security platform that unifies XDR and SIEM capabilities. It protects workloads across on-premises, virtualized, containerized, and cloud-based environments. Wazuh, with over 10 million downloads per year, has one of the largest open-source security communities in the world. Wazuh helps organizations of all sizes protect their data assets against security threats. Learn more about the project at wazuh.com
201 to 500 staff
1kosmos
1Kosmos enables remote identity verification and passwordless multi-factor authentication for workers, customers and residents to securely transact with digital services. By unifying identity proofing, credential verification and strong authentication, the 1Kosmos platform prevents identity impersonation, account takeover and fraud while delivering frictionless user experiences and preserving the privacy of users’ personal information. 1Kosmos performs millions of authentications daily for government agencies and some of the largest banks, telecommunications, higher education and healthcare organizations in the world.
51 to 200 staff
Adapt Forward
Adapt Forward helps government agencies outpace adversaries through proven Cybersecurity Service Provider (CSSP) operations, mission-focused innovation, and a people first culture built for real-world results. We specialize in defensive security operations, National Security Agency (NSA)-certified red team capabilities, risk and compliance support, secure cloud and hybrid infrastructure operations, and custom cyber tool development that strengthens national cyber defense. With more than a decade supporting Department of Defense (DoD) cyber missions, we set the standard for defense-grade cybersecurity through precision, consistency, and mission focus.
51 to 200 staff
Apollo Information Systems
Apollo Information Systems delivers intelligence-led cybersecurity solutions for government agencies, educational institutions, and enterprises. Since 2002, we've helped our clients plan, build, and run their cybersecurity programs- so they can focus on their core mission. Our approach combines advanced threat intelligence with deep business understanding to create security that protects what matters most while enabling operational success. Services include- Strategic security planning and fractional CISO leadership - Comprehensive security assessments and implementation - Managed detection and response (MDR/XDR)- Incident response and digital forensics - Election security and critical infrastructure protection - Apollo Unified Cyber Platform- our comprehensive cybersecurity-as-a-service offering Facing cybersecurity challenges that need practical solutions? Let's chat.
51 to 200 staff
Aujas Cybersecurity
At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks. As a pure-play cybersecurity services company, we bring deep expertise in Identity and Access Management, Risk Advisory, Security Verification, Managed Detection and Response, and Security Engineering services. Our unique products and tailored services empower organizations to enhance their security resilience, minimizing the frequency of attacks, threats, and risks. With a focus on enabling change, fostering innovation, and accelerating growth, we partner with businesses to create robust security frameworks that support their strategic objectives. Join us in strengthening your cybersecurity posture and safeguarding your future.
1001 to 5000 staff
Bastille
Bastille is the leader in wireless threat intelligence through software-defined radio. Bastille enables enterprise security teams to assess and mitigate the risk associated with the growing number of Cellular, RF and Wireless threats. Bastille’s patented software and security sensors bring visibility to devices emitting radio signals (Wi-Fi, Cellular, Bluetooth, BLE, Wireless dongles and other IoT communications) in your organization’s airspace. Through its patented software-defined radio and machine learning technology, Bastille senses, identifies and localizes threats, providing security teams the ability to accurately quantify risk and mitigate airborne threats that could pose a danger to sensitive information and network infrastructure.
11 to 50 staff
Beyond Identity
Beyond Identity is the only IAM platform architected to stop unauthorized access. Our mission is to protect the livelihood of our customers, freeing them to focus on what matters. Every other IAM platform was built to drive productivity, making security an afterthought and providing a highway for bad actors to exploit. Beyond Identity is the only secure-by-design IAM platform foundationally built to ensure only trusted users and secure devices can ever gain and maintain access.
51 to 200 staff
Blackcloak
BlackCloak is the pioneer of Digital Executive Protection, providing online privacy protection, personal device security, home network security, and incident response to corporate leaders (C-Suite, Board, executives, etc.) in their personal lives; as well as to high-profile, ultra/high-net-worth and Family Offices. Our award-winning SaaS-based Concierge Cybersecurity & Privacy Platform protects companies from cyberattacks originating in an executives' personal life from moving laterally into the organization(s) that they serve, while also protecting uniquely at-risk individuals and their families from targeted cyberattacks, financial fraud, identity theft, reputation damage, and other digital threats to personal privacy and security.
51 to 200 staff
Blackpoint Cyber
Blackpoint Cyber is a technology-driven cybersecurity company headquartered in Denver, Colorado. Founded in 2014 by former U.S. Department of Defense and intelligence security experts, Blackpoint leverages decades of real-world experience and deep knowledge of malicious tradecraft to provide proactive, nation-state-grade cybersecurity to organizations worldwide. Our mission is clear: to deliver 24/7, human-powered Managed Detection, Response, and Remediation (MDR) services, empowering IT professionals with the industry’s fastest threat elimination and risk mitigation capabilities. Blackpoint’s proprietary technology and active Security Operations Center (SOC) work together to stop cyber threats in real-time, ensuring organizations of all sizes remain protected in a constantly evolving threat landscape. At Blackpoint, we are a passionate team of cybersecurity professionals dedicated to helping Managed Service Providers (MSPs) become the heroes modern businesses rely on. By arming MSPs with cutting-edge technology, relentless 24/7 support, and a trusted partnership, we help them safeguard their clients and combat cyber threats with confidence and precision. At Blackpoint Cyber, we believe sophisticated cybersecurity should be accessible to all. That’s why we remain deeply committed to the growth and success of the Managed IT and Security community, offering cutting-edge solutions that empower IT professionals to combat cyber threats with confidence. Strike first and secure fast with Blackpoint Cyber.
51 to 200 staff
Certifid
CertifID helps to create a world without wire fraud. Started after our co-founder was hit by fraud – we’re the only company dedicated to fighting fraud for the real estate industry with an identity verification SaaS platform, insurance, and proven recovery services.
51 to 200 staff
Chainguard
Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Its customers include Fortune 500 enterprises and global industry leaders, including Anduril, Canva, Fortinet, Hewlett Packard Enterprise, Snap Inc, and Snowflake. Chainguard is venture-backed by leading investors, including Amplify, IVP, Kleiner Perkins, Lightspeed Venture Partners, Mantis VC, Redpoint Ventures, Sequoia Capital, and Spark Capital. For more information, visit:
201 to 500 staff
Cycode
Cycode’s AI-Native Application Security Platform unites security and development teams with actionable context from code to runtime to identify, prioritize, and fix the software risks that matter. Powered by proprietary scanners, third-party integrations, and the Context Intelligence Graph (CIG), Cycode delivers unified, correlated insight across the Software Factory. Its unique ability to sense, reason, and act with context in the AI-Era comes from its foundational convergence of AST, ASPM, and Software Supply Chain Security—purpose-built to secure both AI- and human-generated code.
51 to 200 staff
Cycognito
See Exactly What Attackers See. Take full control over your attack surface by uncovering and eliminating critical security risks – the ones you didn't know existed. Our botnet and discovery engine use graph data modeling to map and classify the assets across your attack surface.
51 to 200 staff
Cylance Inc
As of February 3, 2025, Cylance® endpoint security assets, including CylanceENDPOINT, CylanceEDGE and CylanceMDR, are now part of Arctic Wolf. Please visit us here:
5001 to 10000 staff
Deepwatch
Deepwatch® is the leader in Precision MDR powered by AI and humans. We amplify human expertise with AI insights to reduce the risks that matter most to your business. Unlike one-size-fits-all MDR, Deepwatch delivers protection that is comprehensive, custom, clear, and ceaseless—stopping threats before and after they emerge with tailored responses at every step. Deepwatch is tuned to each customer’s environment, trained on their priorities and the stack they’ve invested in to strengthen defenses and focus on what matters most. There are no black boxes—customers get clarity on every detection, decision, and data source, along with the name of the analyst behind it. Around-the-clock protection is delivered by security experts who act on real-time threats, powered by AI. Visit Deepwatch.com. Deepwatch has been named- CISO Choice Awards: MSSP Winner 2022, 2021, 2020 - Great Place to Work® Certified 2024, 2023, 2022, 2021 - InHerSight #1 Cyber Workplace for Women 2023 - LinkedIn Top 50 Startups 2023 - Forbes Top 50 Tech Company - Forbes Top Startup 2025, 2024. 2023, 2022 - Backed by premier investors with >$275 Million in growth capital from Goldman Sachs, Vista Equity Partners, Springcoast, Splunk Ventures, and ABS Capital - Splunk Partner:#1 Volume MDR/MSSP What We Do Our solutions combine the best technology with expert stewards. We are experts you can count on to keep a watchful eye on your security operations around the clock and give you the peace of mind that your business and brand are always protected.
201 to 500 staff
Evolve Security Academy
Evolve Security is a technical cybersecurity firm and the home of Evolve Academy, offering holistic and advanced cybersecurity training and continuously ranked #1 in the U.S. Our hands-on and immersive training gives students the concrete and practical skills needed on the job.
11 to 50 staff
Expel
No black box, no BS. Expel was built on transparency and trust by security practitioners. You see the same Expel Workbench platform our 24x7 SOC uses. Real-time visibility into every alert, investigation, and response action. We show you where you stand, suggest improvements, and instantly improve your overall coverage throughout your threat landscape. We use AI to filter 99.9% of alert noise and deliver a sub-20-minute MTTR on high-severity incidents so that our analysts can focus on handling actual threats. Trusted by Fortune 500 enterprises.
201 to 500 staff
Fishnet Security
FishNet Security is North America's largest provider of information security solutions. Headquartered in the Kansas City metro, we help customers define the risks in their environment and select the right technologies and solutions to enable day-to-day operations and business goals. We have 29 offices nationwide, including nine Authorized Training Centers, two state-of-the-art Security Operations Centers and a cloud-based testing lab in Minnesota.
501 to 1000 staff
Fudo Security
Fudo Security delivers advanced Privileged Access Management (PAM) solutions tailored specifically for CISOs and remote access managers like you. With our system, you can rapidly deploy an intelligent PAM solution within just 24 hours, securing your environment immediately. This agentless system uses advanced technologies such as behavioral analysis, machine learning, and artificial intelligence to effectively detect and respond to potential threats. It also supports continuous monitoring and recording of sessions across more than 10 protocols, including SSH, RDP, VNC, and HTTPS. With this capability, you can manage access to critical resources and maintain full visibility into user activities. By adopting our Next-Gen PAM system, you enhance your cybersecurity and protect your organization against increasingly sophisticated threats.
51 to 200 staff
Gradient Cyber
Gradient Cyber: Built for Mid-Market Security Teams Who Can't Afford to Get It Wrong Mid-market companies face the same threats as the Fortune 500, but without the budget, staff, or time to fight them. Gradient Cyber delivers full-scope Managed XDR that stops attacks early, reduces dwell time, and brings expert incident response into your existing environment without forcing you to rip and replace your stack. Here’s what we do in plain English: • Near-Real-Time Detection. We catch early warning signs before attackers get deep. • Human-Led Response. Our SOC analysts act when automation stalls. • Open XDR Platform. We connect the dots across network, endpoint, cloud, SaaS, and identity. • SOC 2 Type 2 Certified. We meet the security standards you are being audited against. • 10 to 1 Client-to-Analyst Ratio. You are not just another ticket in the queue. What makes us different? While others overwhelm you with alerts, we give you answers fast. Our open architecture works with what you already own, delivering contextual insights and real-time action that keeps small problems from turning into major incidents. Gradient Cyber exists for companies who cannot afford delays, noise, or finger-pointing. If you are tired of hearing "everything looked normal right before the breach," we should talk.
51 to 200 staff
Grip Security
Grip Security is the industry-leading SaaS security platform, pioneering the way organizations identify, investigate, remediate, and automate SaaS and GenAI risks. Grip delivers complete control over every application, sanctioned or shadow, while driving cost savings by eliminating unnecessary accounts, duplicate deployments, and unused licenses.
51 to 200 staff
Hillstone Networks
Hillstone Networks’ Integrative Cyber Security approach delivers coverage, control, and consolidation to secure digital transformation for more than enterprises worldwide. Hillstone Networks is a trusted leader in cyber security, protecting enterprise critical assets and infrastructure, from edge to cloud, regardless of where the workload resides. Recognized as a Visionary in Gartner’s Magic Quadrant for Network firewalls, Hillstone Networks’ entire suite of cyber security solutions is relied upon in many of the world’s most challenging technology environments.
1001 to 5000 staff
Horizon3.Ai
The NodeZero® platform empowers your organization to continuously find, fix, and verify your exploitable attack surface. Reduce your security risk by autonomously finding weaknesses in your network, knowing how to prioritize and fix them, and immediately verifying that your fixes work. NodeZero delivers production-safe autonomous pentests and other key assessment operations that scale across your largest internal, external, cloud, and hybrid cloud environments. No required agents, no code to write, and no consultants to hire. We are a fusion of former U.S. Special Operations cyber operators, startup engineers, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools, false positives resulting in alert fatigue, blind spots,"checkbox” security culture, cybersecurity skills shortage, and the long lead time and expense of hiring outside consultants.
201 to 500 staff
Hoxhunt
Hoxhunt is a human risk management platform that goes beyond security awareness to drive behavior change and measurably lower risk. We combine AI and behavioral science to create individualized micro-training experiences people love. Employees learn to detect and report advanced phishing attacks. Operations teams respond fast with limited resources. And security leaders gain outcome-driven metrics to document reduced cybersecurity risk. Hoxhunt works with leading global companies such as Airbus, IGT, DocuSign, Nokia, AES, Avanade, and Kärcher and partners with leading global cybersecurity companies such as Microsoft and Deloitte.
201 to 500 staff