Security Testing Companies in the USA

  • Updated on June 6, 2025

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    Ensuring the security of digital products is increasingly critical amid the rapid rise of cyber threats. Security testing services play a pivotal role in safeguarding applications and infrastructure from vulnerabilities, enabling organizations to maintain reliability and compliance with standards. The demand for such services continues to grow as companies aim to mitigate risks and protect data within complex digital ecosystems. The outlook for this sector remains promising, with technologies like cloud solutions and artificial intelligence necessitating innovative approaches to security.

    This article highlights companies specializing in security testing in the USA. Each offers distinct approaches to identifying and mitigating vulnerabilities, ensuring robust protection of digital assets. The overview includes key highlights and services to assist in selecting a suitable partner for securing software solutions.

    1. A-Listware

    We are a technology company specializing in software development and quality assurance, with a strong focus on ensuring the security of digital products through comprehensive testing services. Our expertise lies in delivering robust solutions that protect applications and infrastructure from vulnerabilities, catering to clients across various industries such as e-commerce and technology. We provide end-to-end testing services, integrating advanced methodologies to identify and mitigate risks, ensuring software reliability and safety.

    Our approach involves close collaboration with clients to tailor testing processes to their specific needs, particularly in safeguarding web, mobile, and desktop applications. By employing both manual and automated testing techniques, we thoroughly assess systems to uncover potential weaknesses. Our services extend to setting up and enhancing quality assurance frameworks, enabling organizations to maintain secure and high-performing digital environments throughout the development lifecycle.

    Key Highlights: 

    • Experience in securing software across various industries
    • Use of combined manual and automated testing for vulnerability detection
    • Focus on developing tailored solutions for application protection

    Services: 

    • Penetration testing to identify application vulnerabilities
    • Vulnerability assessments for proactive risk detection
    • Compliance audits to ensure adherence to security standards
    • End-to-end testing for web, mobile, and desktop applications

    Contact Information:

    2. TestingXperts

    TestingXperts focuses on delivering comprehensive quality assurance and testing services, with a strong emphasis on safeguarding digital products through robust security testing. The company specializes in ensuring software reliability and protection, offering solutions that address vulnerabilities across various platforms, including web, mobile, and cloud-based applications. Its security testing approach involves thorough assessments to identify potential risks, ensuring applications meet stringent safety standards. By integrating advanced tools and methodologies, TestingXperts helps clients maintain secure and resilient digital environments.

    The organization tailors its services to meet the needs of diverse industries such as finance, healthcare, and e-commerce. Its security testing processes include penetration testing, vulnerability scanning, and compliance audits, designed to fortify software against threats. With a commitment to precision, TestingXperts employs experienced professionals who work closely with clients to deliver customized solutions, ensuring both functionality and security are prioritized throughout the development lifecycle.

    Key Highlights:

    • Global presence with testing labs supporting a variety of industries
    • Expertise in combining manual and automated testing for comprehensive security assessments
    • Focus on delivering tailored solutions for digital product protection

    Services:

    • Penetration testing to identify system vulnerabilities
    • Vulnerability scanning for proactive threat detection
    • Compliance audits to ensure adherence to security standards
    • Security testing for web, mobile, and cloud applications

    Contact Information:

    • Website: www.testingxperts.com
    • Facebook: www.facebook.com/testingxperts
    • Twitter: x.com/TestingXperts
    • LinkedIn: www.linkedin.com/company/testingxperts
    • Address: 650 Wilson Ln, Suite 201, Mechanicsburg, PA 17055, United States
    • Phone: +1 866 888 5353

    3. Qualitest

    Qualitest provides a wide range of quality engineering services, with a particular focus on protecting software through advanced security testing practices. The company leverages artificial intelligence and engineering-driven methodologies to deliver solutions that ensure software integrity and safety. Its security testing services are designed to detect and mitigate risks, offering clients robust defenses against cyber threats. Qualitest serves a broad spectrum of sectors, ensuring their digital assets remain secure and compliant with industry regulations.

    By employing a combination of automated tools and expert analysis, Qualitest conducts in-depth evaluations to uncover vulnerabilities in applications and infrastructure. The company emphasizes a client-centric approach, customizing its security testing strategies to align with specific business needs. Its teams work to integrate seamlessly with client workflows, providing thorough testing that enhances both security and performance across digital platforms.

    Key Highlights:

    • Utilization of AI-driven tools for enhanced security testing accuracy
    • Support for a wide range of industries with tailored testing solutions
    • Integration of quality engineering into client development processes

    Services:

    • Risk assessment to identify potential security gaps
    • Automated security testing for rapid vulnerability detection
    • Manual testing for in-depth analysis of complex systems
    • Compliance testing to meet regulatory security requirements

    Contact Information:

    • Website: www.qualitestgroup.com
    • Facebook: www.facebook.com/Qualitestgroup
    • Twitter: x.com/QualiTest
    • LinkedIn: www.linkedin.com/company/qualitest
    • Instagram: www.instagram.com/lifeatqualitest
    • Address: 2350 Mission College Boulevard, Suite 365, Santa Clara, CA 95054, USA
    • Phone: (312) 763-6693

    4. ScienceSoft

    ScienceSoft delivers software testing services with a strong focus on ensuring the security of digital products across multiple domains. Specializing in quality assurance, the company provides comprehensive security testing to protect applications from potential threats. Its services encompass detailed evaluations of software vulnerabilities, ensuring robust protection for web, mobile, and enterprise systems. ScienceSoft collaborates closely with clients to deliver solutions that align with their specific security needs.

    With a long-standing history in testing, ScienceSoft employs a meticulous approach to security, utilizing both manual and automated techniques to identify and address risks. The company’s expertise spans industries like manufacturing and healthcare, where secure software is critical. By prioritizing thorough testing processes, ScienceSoft ensures that applications are safeguarded against breaches while maintaining high performance and usability.

    Key Highlights:

    • Long-term experience in delivering security-focused testing services
    • Collaboration with clients to ensure software meets industry-specific security needs
    • Use of advanced tools for precise vulnerability detection

    Services:

    • Vulnerability assessments to pinpoint security weaknesses
    • Penetration testing for proactive threat identification
    • Security audits to ensure compliance with industry standards
    • Testing for secure software development across platforms

    Contact Information:

    • Website: www.scnsoft.com
    • E-mail: contact@scnsoft.com
    • Facebook: www.facebook.com/sciencesoft.solutions
    • Twitter: x.com/ScienceSoft
    • LinkedIn: www.linkedin.com/company/sciencesoft 
    • Address: 5900 S. Lake Forest Drive, Suite 300 McKinney, Dallas area, TX-75070
    • Phone: +1 214 306 6837

    5. QASource

    QASource offers quality assurance and testing services, with a dedicated focus on securing software through comprehensive security testing. The company provides tailored solutions to protect applications from vulnerabilities, ensuring they perform reliably under various conditions. Its security testing services include detailed assessments to identify and mitigate risks, catering to clients ranging from startups to established enterprises. QASource integrates seamlessly with client teams to deliver secure and high-quality software.

    The organization emphasizes a hybrid testing model, combining offshore expertise with local management to ensure effective communication and results. Its security testing processes involve rigorous evaluations, including penetration testing and vulnerability analysis, to safeguard digital assets. By focusing on customized testing strategies, QASource ensures that security measures are aligned with each client’s unique requirements and industry standards.

    Key Highlights:

    • Hybrid testing model combining offshore and onshore expertise
    • Focus on customized security testing for diverse client needs
    • Integration with client development teams for seamless testing

    Services:

    • Penetration testing to uncover system vulnerabilities
    • Vulnerability analysis for comprehensive risk assessment
    • Security testing for web and mobile applications
    • Compliance testing to meet industry security standards

    Contact Information:

    • Website: www.qasource.com
    • E-mail: info@qasource.com 
    • Facebook: www.facebook.com/pages/QASource
    • Twitter: x.com/qasource
    • LinkedIn: www.linkedin.com/company/qasource
    • Address: 73 Ray St, Pleasanton, CA 94566
    • Phone: +1 925 271 55 55

    6. Cigniti

    Cigniti specializes in quality engineering and software testing, with a strong focus on securing digital assets through comprehensive security testing services. The company offers a broad spectrum of solutions aimed at identifying and mitigating vulnerabilities in applications, networks, and cloud environments. Its approach to security testing involves rigorous assessments to ensure software resilience against cyber threats, catering to industries such as finance, healthcare, and retail. Cigniti integrates advanced tools and methodologies to deliver thorough evaluations that safeguard client systems.

    The organization emphasizes a client-centric model, tailoring its security testing strategies to meet specific business requirements. Its services include penetration testing, vulnerability assessments, and compliance audits, all designed to enhance software protection. By leveraging a combination of automated and manual testing techniques, Cigniti ensures that potential risks are identified and addressed, enabling clients to maintain secure and reliable digital platforms.

    Key Highlights:

    • Expertise in quality engineering across diverse industries
    • Integration of AI-driven tools for enhanced testing accuracy
    • Focus on customized solutions for software protection

    Services:

    • Penetration testing to detect system vulnerabilities
    • Vulnerability assessments for proactive risk identification
    • Compliance audits to meet industry security standards
    • Security testing for applications and cloud infrastructure

    Contact Information:

    • Website: www.cigniti.com
    • Facebook: www.facebook.com/cignititechnologies
    • LinkedIn: www.linkedin.com/company/cigniti-inc
    • Address: 433 E Las Colinas Blvd, Suite 1300, Irving, TX 75039
    • Phone: +1 469 673 3443 

    7. Trustwave

    Trustwave delivers cybersecurity solutions with a particular emphasis on protecting organizations through advanced security testing and managed services. The company focuses on identifying vulnerabilities in digital systems, offering services that strengthen defenses against cyber threats. Its security testing capabilities are supported by the expertise of its SpiderLabs team, which conducts in-depth research to uncover potential risks in applications, databases, and networks. Trustwave serves a wide range of sectors, ensuring their digital environments remain secure.

    The company employs a combination of penetration testing, threat intelligence, and compliance assessments to fortify client systems. Its approach integrates real-time threat research to provide actionable insights, helping organizations stay ahead of evolving cyber risks. Trustwave’s testing processes are designed to identify weaknesses and provide remediation guidance, ensuring robust protection across hybrid and cloud-based environments.

    Key Highlights:

    • Utilization of threat intelligence from SpiderLabs research
    • Support for organizations across multiple industries
    • Focus on proactive vulnerability detection and remediation

    Services:

    • Penetration testing for application and network security
    • Vulnerability scanning to identify potential risks
    • Compliance testing to ensure regulatory adherence
    • Database security assessments for data protection

    Contact Information:

    • Website: www.trustwave.com
    • E-mail: press@trustwave.com
    • Twitter: x.com/Trustwave
    • LinkedIn: www.linkedin.com/company/trustwave
    • Address: Worldwide Headquarters 70 W. Madison St. Suite 600 Chicago IL 60602
    • Phone: +1 (855) 438-4305

    8. BreachLock

    BreachLock provides a unified cybersecurity platform designed to enhance software security through continuous testing and risk management. The company specializes in identifying and mitigating vulnerabilities across an organization’s attack surface, offering solutions tailored to modern digital environments. Its security testing services focus on delivering evidence-backed insights, ensuring clients can address risks effectively. BreachLock supports businesses in industries like technology and finance, helping them maintain secure systems.

    The platform integrates automated and manual testing techniques to provide comprehensive vulnerability assessments. Its services include continuous attack surface monitoring and penetration testing, designed to uncover and prioritize risks. BreachLock’s approach emphasizes actionable intelligence, enabling clients to strengthen their defenses through detailed remediation strategies and collaborative workflows.

    Key Highlights:

    • Continuous monitoring of attack surfaces for real-time insights
    • Combination of automated and manual testing methodologies
    • Focus on evidence-based vulnerability prioritization

    Services:

    • Continuous penetration testing for ongoing risk detection
    • Attack surface management to monitor vulnerabilities
    • Red teaming for advanced threat simulation
    • Vulnerability prioritization with remediation guidance

    Contact Information:

    • Website: www.breachlock.com
    • Twitter: x.com/breachlock
    • LinkedIn: www.linkedin.com/company/breachlock
    • Address: 1350 Avenue of the Americas 2nd Floor, New York, NY 10019
    • Phone: +1 917-779-0009

    9. Applause

    Applause focuses on digital quality and testing services, with a strong emphasis on ensuring the security of software applications through crowd-sourced testing. The company leverages a global community of testers to perform thorough security assessments, identifying vulnerabilities in web, mobile, and IoT applications. Its approach to security testing combines real-world testing scenarios with expert analysis, catering to industries such as e-commerce and media.

    The organization’s testing methodology involves real users simulating diverse attack scenarios to uncover potential weaknesses. Applause provides detailed security evaluations, including penetration testing and vulnerability analysis, to ensure applications are robust against threats. By integrating feedback from a diverse tester pool, the company delivers actionable insights that enhance software security and performance.

    Key Highlights:

    • Utilization of a global crowd-sourced testing community
    • Focus on real-world testing scenarios for security assessments
    • Support for a wide range of digital platforms

    Services:

    • Crowd-sourced penetration testing for vulnerability detection
    • Security testing for web, mobile, and IoT applications
    • Vulnerability analysis with real-user insights
    • Compliance testing to meet industry security standards

    Contact Information:

    • Website: www.applause.com 
    • Facebook: www.facebook.com/applause
    • Twitter: x.com/Applause
    • LinkedIn: www.linkedin.com/company/applause
    • Instagram: www.instagram.com/applause_inc

    10. Security Innovation

    Security Innovation specializes in software security training and testing, with a focus on protecting applications through proactive vulnerability assessments. The company offers solutions designed to identify and address risks in software development lifecycles, catering to industries such as technology and healthcare. Its security testing services emphasize building secure applications by integrating testing early in the development process.

    The organization provides a range of testing services, including penetration testing and code reviews, to ensure software resilience against cyber threats. Security Innovation’s approach combines hands-on testing with educational resources, enabling clients to improve their security practices. By focusing on both technical assessments and developer training, the company helps organizations create robust and secure digital products.

    Key Highlights:

    • Integration of security testing with developer training
    • Focus on early-stage vulnerability detection in development
    • Support for secure software development practices

    Services:

    • Penetration testing to identify application vulnerabilities
    • Code reviews for secure software development
    • Security assessments for web and mobile applications
    • Compliance audits to ensure regulatory adherence

    Contact Information:

    • Website: www.securityinnovation.com
    • Twitter: x.com/SecInnovation
    • LinkedIn: www.linkedin.com/company/security-innovation
    • Address: 1511 3rd Ave #808 Seattle, WA 98101, USA
    • Phone: +1 877 839 7598

    11. NCC Group

    NCC Group specializes in cybersecurity and risk mitigation, offering a suite of services designed to protect digital assets through thorough security testing. The company focuses on identifying vulnerabilities across applications, networks, and infrastructure, ensuring organizations can safeguard their systems against cyber threats. Its security testing services include detailed assessments to uncover weaknesses, catering to industries such as finance, healthcare, and technology. NCC Group employs a combination of technical expertise and industry-standard methodologies to deliver robust solutions that enhance software and system security.

    The organization provides tailored testing services, including penetration testing and vulnerability assessments, to address specific client needs. Its approach emphasizes collaboration with clients to understand their unique environments, enabling precise identification and mitigation of risks. NCC Group’s testing processes are designed to ensure compliance with regulatory standards while maintaining the integrity and performance of digital platforms.

    Key Highlights:

    • Global expertise in cybersecurity risk management
    • Focus on tailored vulnerability assessments for diverse industries
    • Use of industry-standard tools and methodologies for testing

    Services:

    • Penetration testing to identify system vulnerabilities
    • Vulnerability assessments for comprehensive risk evaluation
    • Compliance testing to meet regulatory security standards
    • Application and network security testing

    Contact Information:

    • Website: www.nccgroup.com
    • E-mail: cirt@nccgroup.com
    • Twitter: x.com/NCCGroupplc
    • LinkedIn: www.linkedin.com/company/ncc-group
    • Address: 11 E Adams St Suite 400 Chicago IL 60603
    • Phone: +1 (800) 813 3523

    12. Edgescan

    Edgescan specializes in delivering comprehensive cybersecurity solutions, with a strong focus on security testing to identify and mitigate vulnerabilities across digital ecosystems. The company develops platforms that assess the integrity of web applications, networks, and APIs, ensuring robust protection against potential threats. By combining automated tools with expert validation, Edgescan provides precise insights into security weaknesses, enabling organizations to strengthen their defenses effectively.

    The company’s approach to security testing emphasizes continuous monitoring and detailed risk assessment, allowing clients to prioritize remediation based on the severity of identified issues. Edgescan integrates its testing processes with existing client systems, offering seamless compatibility and actionable intelligence. Beyond testing, the company provides guidance and support to ensure that vulnerabilities are addressed efficiently, helping businesses maintain secure and resilient digital environments.

    Key Highlights:

    • Security testing combines automated scans with human expertise for accurate results
    • Platforms are designed to integrate with cloud-based and on-premises infrastructure
    • Testing processes prioritize risk-based vulnerability assessment

    Services:

    • Comprehensive testing of web applications for security vulnerabilities
    • Network security assessments to identify and mitigate exposures
    • API testing to uncover hidden or rogue endpoints
    • Continuous monitoring and support for ongoing security management

    Contact Information:

    • Website: www.edgescan.com
    • E-mail: info@edgescan.com
    • Address: 445 Park Ave, 9th Floor New York, NY 10022, USA
    • Phone: +1 332 245 3220

    13. Fortinet

    Fortinet provides comprehensive cybersecurity solutions, with a strong emphasis on securing networks through advanced security testing integrated with its firewall technologies. The company specializes in protecting digital infrastructures, leveraging its FortiGate next-generation firewalls to conduct thorough assessments of network vulnerabilities. Its security testing services focus on identifying and mitigating risks across networks, applications, and endpoints, serving industries such as retail and government.

    Fortinet’s testing approach combines AI-powered tools with real-time threat intelligence to detect potential weaknesses. The organization collaborates with partners like CrowdStrike to enhance its testing capabilities, ensuring unified visibility across network and endpoint environments. By integrating telemetry from its FortiGuard services, Fortinet delivers precise and actionable insights to strengthen client defenses.

    Key Highlights:

    • Utilization of AI-driven tools for enhanced threat detection
    • Integration with partner ecosystems for unified security testing
    • Focus on network security through next-generation firewalls

    Services:

    • Network vulnerability assessments for risk identification
    • Penetration testing for firewall and application security
    • Compliance testing to meet industry standards
    • Endpoint security testing for comprehensive protection

    Contact Information:

    • Website: www.fortinet.com
    • E-mail: pr@fortinet.com
    • Facebook: www.facebook.com/fortinet
    • Twitter: x.com/Fortinet
    • LinkedIn: www.linkedin.com/company/fortinet
    • Instagram: www.instagram.com/fortinet
    • Address: 909 Kifer Road Sunnyvale, CA 94086 USA
    • Phone: +1-408-235-7700 

    14. CrowdStrike

    CrowdStrike focuses on cloud-native cybersecurity, delivering advanced security testing through its Falcon platform to protect endpoints and cloud workloads. The company specializes in identifying and mitigating threats across digital environments, with a strong emphasis on real-time detection of vulnerabilities. Its security testing services are designed to safeguard organizations in sectors like finance and healthcare, ensuring robust protection against sophisticated cyber threats.

    The organization leverages AI-driven telemetry and threat intelligence to conduct thorough vulnerability assessments and penetration testing. CrowdStrike’s platform integrates with partners like Fortinet to provide unified insights, enhancing the accuracy of its testing processes. Its approach prioritizes rapid detection and response, enabling clients to maintain secure systems in dynamic, hybrid environments.

    Key Highlights:

    • AI-powered platform for real-time vulnerability detection
    • Collaboration with partners for enhanced telemetry integration
    • Focus on endpoint and cloud workload protection

    Services:

    • Endpoint penetration testing for vulnerability detection
    • Vulnerability assessments for cloud and on-premise systems
    • Threat intelligence-driven security testing
    • Compliance audits for regulatory adherence

    Contact Information:

    • Website: www.crowdstrike.com
    • E-mail: info@crowdstrike.com
    • Twitter: x.com/CrowdStrike
    • LinkedIn: www.linkedin.com/company/crowdstrike 
    • Instagram: www.instagram.com/crowdstrike 
    • Phone: (800) 925-0324

    15. Palo Alto Networks

    Palo Alto Networks offers a broad cybersecurity platform, with a focus on securing applications and networks through comprehensive security testing. The company specializes in protecting digital assets across cloud, network, and operational technology environments, using its Cortex XDR platform to identify vulnerabilities. Its testing services cater to industries such as manufacturing and technology, ensuring robust defenses against cyber threats.

    The organization employs a combination of AI-driven tools and expert analysis to conduct penetration testing and vulnerability assessments. Palo Alto Networks integrates its testing processes with its broader security platform, providing unified visibility and actionable insights. Its approach emphasizes proactive risk mitigation, ensuring clients can maintain secure and compliant digital environments.

    Key Highlights:

    • Integration of security testing with a comprehensive cybersecurity platform
    • Use of AI-driven tools for precise vulnerability detection
    • Support for operational technology and cloud security testing

    Services:

    • Penetration testing for application and network vulnerabilities
    • Vulnerability assessments for cloud and OT environments
    • Compliance testing to meet regulatory standards
    • Security testing for unified threat detection and response

    Contact Information:

    • Website: www.paloaltonetworks.com
    • E-mail: nextwave@paloaltonetworks.com
    • Facebook: www.facebook.com/PaloAltoNetworks
    • Twitter: x.com/PaloAltoNtwks
    • LinkedIn: www.linkedin.com/company/palo-alto-networks
    • Address: 3000 Tannery Way Santa Clara, CA 95054
    • Phone: (866) 320-4788

    Conclusion

    Selecting a contractor for security testing remains a critical step for organizations aiming to protect their digital assets. A reliable partner in this field must offer comprehensive solutions, including thorough vulnerability assessments and compliance with industry standards. Security testing services help identify and mitigate risks, ensuring software resilience amid evolving cyber threats. The companies featured in this article showcase diverse approaches to safeguarding applications, networks, and infrastructure, providing clients with tools to maintain robust and secure digital ecosystems.

    Each of these organizations employs distinct methods, from leveraging artificial intelligence to crowd-sourced testing, enabling tailored services to meet specific business needs. Choosing the right contractor involves evaluating their expertise, methodologies, and ability to integrate with client workflows. This ensures not only the identification of vulnerabilities but also long-term protection of data and systems. The article underscores the importance of careful partner selection, enabling companies to confidently address cybersecurity challenges and maintain the stability of their digital solutions.

     

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