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
Black Hills Information Security
We specialize in penetration testing, red teaming, threat hunting, Active SOC services, and educational webinars, workshops, and training. We take the knowledge we have and continue to learn through our engagements and share it with the overall information security community because we believe we're all better together. Also. the creators of the Backdoors & Breaches, incident response card game.
51 to 200 staff
Bugcrowd
We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike—by uniting our customers with trusted hackers via our AI-powered platform to take back control and stay ahead of attackers. Bugcrowd is backed by Blackbird Ventures, Costanoa Ventures, Industry Ventures, Paladin Capital Group, Rally Ventures, Salesforce Ventures and Triangle Peak Partners.
201 to 500 staff
Cadre Information Security
Cadre is a network and information security solutions provider that serves large and medium-sized firms. Widely recognized as a pioneer in the security industry, Cadre delivers value through superior customer service, advanced engineering and a resolute focus on design, assessment, installation, training and support of information security systems. All over the world, clients rely on Cadre to provide guidance and technical expertise on compliance, controlling technical risks, and achieving security goals.
51 to 200 staff
Center For Internet Security
The Center for Internet Security, Inc.(CIS®) makes the connected world a safer place for people, businesses, and governments through our core competencies of collaboration and innovation. We are a community-driven nonprofit, responsible for the CIS Controls® and CIS Benchmarks™, globally recognized best practices for securing IT systems and data. We lead a global community of IT professionals to continuously evolve these standards and provide products and services to proactively safeguard against emerging threats. Our CIS Hardened Images® provide secure, on-demand, scalable computing environments in the cloud. CIS is home to the Multi-State Information Sharing and Analysis Center® (MS-ISAC®), the trusted resource for cyber threat prevention, protection, response, and recovery for U.S. State, Local, Tribal, and Territorial government entities, and the Elections Infrastructure Information Sharing and Analysis Center® (EI-ISAC®), which supports the rapidly changing cybersecurity needs of U.S. elections offices.
501 to 1000 staff
Cequence Security
Cequence is a pioneer in API security and bot management, making the applications and APIs that organizations depend on AI-ready while protecting them from attacks, business logic abuse, and fraud. Our unique solutions unlock the promise of agentic AI productivity while providing real-time security against increasingly subtle and sophisticated threats. Cequence delivers value in minutes rather than days or weeks with a highly scalable, no-code, no-risk approach. Trusted by the largest and most demanding private and public sector organizations, Cequence protects more than 10 billion daily API interactions and 4 billion user accounts. The company is led by industry veterans that previously held leadership positions at Palo Alto Networks and Symantec.
51 to 200 staff
Cerby
Cerby is the identity automation platform purpose-built to secure disconnected applications—those that fall outside the reach of traditional identity security tools. By integrating with existing IAM, IGA, and PAM systems, Cerby brings centralized access controls, automates manual security tasks, and extends governance across your entire application ecosystem. IT and security teams gain complete visibility and control, reducing risk and operational overhead. Founded in 2020, Cerby is backed by leading investors and trusted by enterprises across the globe. Get a demo to see us in action:
51 to 200 staff
Checkmarx
Checkmarx helps the world’s largest enterprises get ahead of application risk without slowing down development. We end the guesswork by identifying the most critical issues to fix and give AppSec the tools they need, all while letting developers work the way they want. From DevSecOps to developer experience, security and development teams can now work better together. That’s why 1700+ customers rely on Checkmarx to scan over 1 trillion lines of code annually, improve developer productivity by 50%, and deliver 2X AppSec ROI. Checkmarx. Always Ready To Run.
501 to 1000 staff
Cnf Technologies
CNF is a top cybersecurity provider in San Antonio Texas. Applying exceptional expertise and extensive experience, CNF is a proven provider in developing, testing, fielding, sustaining, and employing Cyber weapon systems and technologies for Offensive and Defensive Cyber Operations, Cybersecurity Risk Management, and support to Law Enforcement and Counterintelligence operations. CNF’s rapid prototyping capability produces state of art cyber defense platforms enabling efficient and all-encompassing cybersecurity for Department of Defense (DoD) enterprises, information, and infrastructure. CNF’s CEO, Roxanne Ramirez, is dedicated to customer mission success, employee fulfillment, and giving back to the San Antonio community. The founders of CNF were pioneers in the cyber operations domain who were instrumental in the stand-up of the Air Force Computer Emergency Response Team (AFCERT) and the Veterans Affairs Computer Incident Response Center (CIRC) and have more than century of combined experience in the Air Force, NSA and industry. CNF specializes in solving the most challenging problems in cyber security today, working in offensive and defensive technology development, malicious code analysis and exploitation, Defensive Cyber Operations (DCO) and support to Cyber Protection Teams that includes intrusion analysis/prevention, incident response, vulnerability management and eradication, cyber forensics, and training.
51 to 200 staff
Cofense
Cofense® is the original and leading provider of security awareness training and email phishing simulation, offering global enterprise-level advanced email threat detection and remediation solutions. Cofense PhishMe® and Cofense Phishing Detection and Response (PDR) offer the world’s only platforms to leverage over 35 million Cofense-trained employees who actively report suspected phishing and other dangerous email threats in real-time. Exclusive only to Cofense, this reporting system ingests and catalogs thousands of threats per day that are missed by current email gateway technologies and then eradicates those threats from customer inboxes. In short, Cofense sees and stops threats other email security systems miss. Please visit or connect with us on X and LinkedIn for additional information.
201 to 500 staff
Corelight
Corelight transforms network data into definitive evidence, powering AI-driven detection and expert-authored workflows, and enabling the AI SOC ecosystem. Delivered by our open NDR platform, Corelight’s comprehensive, correlated evidence gives you unparalleled visibility into your network. This evidence allows you to unlock new analytics, investigate faster, hunt like an expert, and even disrupt future attacks. Our on-prem and cloud sensors go anywhere to capture structured, industry-standard telemetry and insights that work with the tools and processes you already use. Corelight’s global customers include Fortune 500 companies, major government agencies, and research universities. Get started >>
201 to 500 staff
Cyber Security Forum Initiative
The Cyber Security Forum Initiative (CSFI) is a non-profit organization headquartered in Omaha, NE and in Washington DC with a mission "to provide Cyber Warfare awareness, guidance, and security solutions through collaboration, education, volunteer work, and training to assist the US Government, US Military, Commercial Interests, and International Partners." CSFI was born out of the collaboration of dozens of experts, and today CSFI is comprised of a large community of nearly Cyber Security and Cyber Warfare professionals from the government, military, private sector, and academia. Our amazing members are the core of all of our activities, and it is for them that we are pushing forward our mission. CSFI is founded on 3 main pillars supporting our mission: Collaboration, Knowledge-Sharing, and Training/Education. Our collaboration efforts have helped to break down stovepipes and "closed networks" that exists inside government and industry to enable greater information sharing and increased capabilities. Complimentary to our collaboration efforts, CSFI is engaged in creating Cyber Warfare training materials to promote a stronger background for our men and women in uniform and also throughout the DOD community. CSFI is in a unique position to attract some of the foremost Cyber Warfare Strategists, Hackers, and Intelligence Professionals to develop high caliber training on a topic that has yet to be fully defined let alone explored and explained.
51 to 200 staff
Cynet Security
Cynet’s unified, AI-powered cybersecurity platform brings together a full suite of security capabilities in a single, simple solution, backed by 24/7 SOC support. As a global cybersecurity company, Cynet is purpose-built to enhance protection for small-to-medium enterprises and empower MSPs and resellers to maximize margins while delivering world-class security.
201 to 500 staff
Datasunrise, Inc
DataSunrise Inc is a Database & Data security software company. DataSunrise offers homogeneous data and database security experience in heterogeneous environments in cloud and on-prem. DataSunrise Data-Centric high-performance security software protects sensitive data in real-time and helps organizations to stay in compliance with SOX, HIPAA, ISO 27001, PCI, GDPR. DataSunrise next generation of Data Security helps organizations to protect the databases and the data and secure sensitive business & confidential information in the cloud (such as AWS, Azure, Google Cloud) or on-Premises. It enables database protection and prevention from internal and external attacks such as SQL Injections. DataSunrise audits database traffic in very high volumes and monitors and reports all relevant activities in a real-time. DataSunrise Security includes- intelligent database firewall to secure, audit and monitor all requests to databases- data auditing, database activity monitoring (DAM)- real-time dynamic data masking (DDM) to protect and mask data from unauthorized requests, detection and prevention of SQL injections- static masking (or persistent) and synthetic data generation - DSPM - discovery of sensitive data, compliance automation to get compliant with security standards HIPAA, ISO 27001, PCI, SOX or GDPR-databases vulnerability assessment -DSPM DataSunrise secures databases, data lakes, data warehouses, SQL and NoSQL, cloud storage, file systems and SalesForce: Oracle, MS SQL Server DB2 Redshift, Amazon Aurora and all RDS engines DynamoDB, Athena, S3, Azure Blob, Teradata, Bedrock, Databricks,Salesforce, ChatGPT, MySQL, MariaDB, PostgreSQL, Google Cloud SQL, SAP Hana, Mongo DB, Cassandra Impala Sybase, Snowflake, Neo4j, TiDB, YugaByte Scylla Hive CockroachDB. DataSunrise integrates with SIEMs such as NetWitness, Splunk, Arcsight, existing management systems & dashboards by feeding the captured data in real time.Cloud storage and file security
11 to 50 staff
Defendedge
DefendEdge is a leading US-based cybersecurity firm specializing in protecting clients' firewalls, endpoints, and applications against cyber threats and vulnerabilities. Leveraging our Managed Detection & Response (MDR) practice housed within our state-of-the-art Security Operations Center and Network Operations Center, we provide round-the-clock monitoring and proactive threat mitigation. With an 85% veteran workforce holding security clearances and exclusively comprised of US citizens, we offer unparalleled expertise and dedication to safeguarding our clients' assets. We pride ourselves on never outsourcing our practices, ensuring the highest standards of service delivery. Additionally, our Cyber Threat Intelligence (CTI) team offers comprehensive monitoring of impersonations, social media activities, and deep/dark web for compromised credentials and take-downs, enabling swift action to mitigate risks and protect against emerging threats. Trust DefendEdge for robust cybersecurity solutions tailored to your organization's needs.
51 to 200 staff
Directdefense
DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes. Focused on building security resiliency, the firm offers comprehensive security testing services with specialization in application security, vulnerability assessments, penetration testing, and compliance assurance testing. Its team of highly talented consultants has worked with the majority of the Fortune 100 companies, in industries such as power and utility, gaming, retail, financial, media, travel, aerospace, healthcare, and technology.
51 to 200 staff
Electrosoft
Electrosoft delivers a diversified set of technology-based solutions and services differentiated by thought leadership and innovation. Fueling the success of our Government and commercial customers since 2001 through outstanding value and trust, we couple our domain knowledge and experience with proven, mature, management practices to deliver the right solutions on time and within budget. What distinguishes us from our peers is our deep culture of customer-service, professionalism, accountability, excellence and innovation delivered on the bedrock of uncompromising integrity.
51 to 200 staff
Esentire
eSentire, Inc. is the Authority in Managed Detection and Response, protecting the critical data and applications of organizations in 80+ countries, representing 35 industries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events. Combining cutting-edge machine learning XDR technology, 24/7 Threat Hunting, and proven security operations leadership, eSentire mitigates business risk, and enables security at scale. The Team eSentire difference means enterprises are protected by the best in the business with a named Cyber Risk Advisor, 24/7 access to SOC Cyber Analysts, Elite Threat Hunters, and industry-leading threat intelligence research from eSentire’s Threat Response Unit (TRU). eSentire provides Continuous Threat Exposure Management (CTEM), Managed Detection and Response and Incident Response services. For more information, visit
501 to 1000 staff
Firemon
FireMon is the global leader in firewall policy management, empowering enterprises to control risk, streamline operations, and scale securely across hybrid, cloud, and on-premises environments. Trusted by over 1,700 organizations in 70+ countries, FireMon automates enterprise network security policy management for the world’s most complex firewall infrastructures. As a founder-led company, FireMon is redefining infrastructure protection through intelligent policy governance, enabling asset-centric control, Zero Trust readiness, and operational clarity at scale. Backed by industry-leading net promoter scores and relentless customer focus, FireMon ensures security becomes a strategic enabler, not an obstacle.
201 to 500 staff
Forescout Technologies Inc
For more than 25 years, Fortune 100 organizations, government agencies, and large enterprises have trusted Forescout as their foundation to manage cyber risk, ensure compliance, and mitigate threats. The Forescout 4D Platform™ delivers comprehensive asset intelligence, continuous assessment, and ongoing control over all managed and unmanaged, agented and un-agentable assets across IT, OT, IoT, and IoMT environments. Forescout’s open platform makes every cybersecurity investment more effective with seamless data integrations and automated workflow orchestration across more than 100 security and IT products.
1001 to 5000 staff
Fortified Health Security
Fortified is Healthcare’s Cybersecurity Partner® – protecting patient data and reducing risk throughout the healthcare ecosystem. As a managed security service provider, Fortified works alongside healthcare organizations to build tailored programs designed to leverage their prior security investments and current processes while implementing new solutions intended to reduce risk and increase their security posture over time. Fortified’s high-touch engagements and customized recommendations maximize the value of investments and result in actionable information to help reduce the risk of cyber events.
51 to 200 staff
Fortress Information Security
Fortress is the AI-powered cybersecurity company defending critical infrastructure, government agencies, and their supply chains against cyber threats and mission risks.
201 to 500 staff
Frsecure
FRSecure is a full-service information security consultancy based in Minneapolis, Minnesota. Leveraging our in-house team of leading security experts, we’ve developed customizable services that identify, manage, and secure sensitive information and systems without sacrificing your business goals. We apply industry standards to assess existing information security programs (administrative, physical and technical security controls), and we develop, implement and manage information security programs tailored to each client’s specific security needs. Talk to us about Pen Testing, vCISO, IR, or Risk Assessments or visit us online at frsecure.com to learn more!
51 to 200 staff
Guidance Software
Guidance (NASDAQ: GUID) exists to turn chaos and the unknown into order and the known—so that companies and their customers can go about their daily lives as usual without worry or disruption, knowing their most valuable information is safe and secure. Makers of EnCase®, the gold standard in digital investigations and endpoint data security, Guidance provides a mission-critical foundation of applications that have been deployed on an estimated 33 million endpoints and work in concert with other leading enterprise technologies from companies such as Cisco, Intel, Box, Dropbox, Blue Coat Systems, and LogRhythm. Our field-tested and court-proven solutions are used with confidence by more than 70 of the Fortune 100 and hundreds of agencies worldwide. For more information, visit guidancesoftware.com.
501 to 1000 staff
Hypori
Hypori is a mobile access platform enabling secure virtual access to enterprise apps and data from any mobile device with total personal privacy. Use whatever phone you want - it’s all about one device, zero worries. The Hypori app never processes, stores, or transmits data and does not require traditional application and mobile device management (MDM) solutions that invade privacy. Trusted by global system integrators, defense, government, healthcare, and other regulated industries, Hypori’s virtualization technology enables easy onboarding at – scale and improves bring-your-own-device (BYOD) user adoption while reducing the attack surface and enterprise liability. Hypori is a HIPAA-compliant, National Information Assurance Partnership (NIAP) Common Criteria and National Security Agency (NSA) Commercial Solution for Classified (CSfC) product. CMMC-compliant, Hypori supports GDPR and is suitable for Federal, Defense Industrial Base (DIB), and commercial enterprises. The company is headquartered in Reston, VA, with a technology hub in Austin, TX. To learn more, visit
51 to 200 staff
