Network security audits are vital for identifying vulnerabilities, ensuring compliance, and strengthening IT infrastructure. In this article, we highlight the top U.S.-based companies specializing in network security audits. These firms are trusted by businesses across industries to deliver thorough, reliable, and expert-driven assessments.
1. A-Listware
We work with companies of various sizes to deliver reliable software development and cybersecurity solutions. As part of our broader IT consulting services, we support organizations through comprehensive network security audits. These audits help identify vulnerabilities in both cloud and on-premise systems, ensuring systems are aligned with modern security standards and risk management practices. We integrate directly with client teams or operate independently to assess, manage, and strengthen their security frameworks.
Our cybersecurity audit services are built on secure coding practices, infrastructure reviews, and consistent quality control. With decades of experience in software development and support, we focus on practical outcomes and seamless integration with existing workflows. Our team can step in quickly – often within a few weeks – to support a range of security projects. We emphasize clear communication, transparency, and technical precision throughout the audit process.
Key Highlights:
- Integration with both cloud and on-premise systems
- Access to a large database of qualified IT professionals
- Strong focus on infrastructure security and quality control
Services:
- Network Security Audits
- Cybersecurity Consulting
- Infrastructure and Application Risk Assessment
- Secure Code Reviews
- Legacy System Modernization
- Ongoing Security Management and Support
- Custom Software Development
- Help Desk and IT Support Services
Contact Information:
- Website: a-listware.com
- Email: info@a-listware.com
- Facebook: www.facebook.com/alistware
- LinkedIn: www.linkedin.com/company/a-listware
- Address: North Bergen, NJ 07047, USA
- Phone Number: +1 (888) 337 93 73
2. Palo Alto Networks
Palo Alto Networks is a cybersecurity company based in the United States that delivers a wide range of security products and services, including secure code review solutions. Their approach integrates AI-powered platforms with threat intelligence to monitor and analyze potential vulnerabilities in software and cloud environments. Their offerings are designed to help organizations identify security gaps in applications before and after deployment, including source code assessments, threat modeling, and secure development practices.
They operate across network, cloud, and endpoint security, incorporating services from their Unit 42 team, which specializes in threat intelligence and incident response. Their secure code review services focus on identifying exploitable weaknesses in software architecture and implementation. These services are used by enterprises seeking to reduce risk exposure and improve security posture across the software development lifecycle.
Key Highlights:
- Headquarters in the United States with global operations
- Offers AI-based threat detection across networks and codebases
- Services used by large enterprises across multiple industries
- Security platforms designed to integrate with CI/CD pipelines
Services:
- Secure code review for applications and APIs
- Source code analysis to detect vulnerabilities
- Threat modeling and security architecture assessments
- Penetration testing and red teaming
- Incident response and forensic investigation
- Cloud security posture management
- AI-based network and endpoint threat prevention
Contact Information:
- Website: www.paloaltonetworks.com
- E-mail: learn@paloaltonetworks.com
- Facebook: www.facebook.com/PaloAltoNetworks
- Twitter: x.com/PaloAltoNtwks
- LinkedIn: www.linkedin.com/company/palo-alto-networks
- Address: Palo Alto Networks 3000 Tannery Way Santa Clara, CA 95054
- Phone: +1 408.753.4000
3. Rapid7
Rapid7 is a cybersecurity company based in the United States that provides a wide range of services aimed at helping organizations identify and address vulnerabilities within their IT infrastructure. They focus on improving visibility across attack surfaces and simplifying the response process through automation and expert-led support. One of their capabilities includes secure code review, integrated into a broader suite of services for exposure management and vulnerability assessment.
Their solutions span endpoint to cloud security, combining threat intelligence, managed detection and response (MDR), and vulnerability management. Rapid7 supports security teams with around-the-clock monitoring and response, while offering tools that help assess risks across hybrid and cloud environments. Their approach includes curated threat insights and continuous assessment to help identify issues early in the software development lifecycle.
Key Highlights:
- Provides code review capabilities as part of exposure and vulnerability management
- Offers 24/7 MDR support with extended response and remediation
- Uses proprietary threat intelligence curated by Rapid7 Labs
- Focuses on hybrid and multi-cloud environments
- Incorporates AI and automation in risk prediction and response
Services:
- Secure code review as part of vulnerability assessment
- Vulnerability management and exposure tracking
- Threat intelligence and incident detection
- Managed detection and response (MDR)
- Attack surface management
- Cloud-native application protection (CNAPP)
- Security Information and Event Management (SIEM)
Contact Information:
- Website: www.rapid7.com
- E-mail: sales@rapid7.com
- Facebook: www.facebook.com/rapid7
- Twitter: x.com/Rapid7
- LinkedIn: www.linkedin.com/company/39624
- Instagram: www.instagram.com/rapid7
- Address: 120 Causeway Street Suite 400 Boston, MA 02114
- Phone: +1-617-247-1717
4. Check Point Software Technologies
Check Point Software Technologies is a cybersecurity company based in the United States, providing a wide range of enterprise security solutions. Their approach includes network, cloud, endpoint, and user security, managed under a centralized platform. One of their key areas of focus is secure code review and threat prevention, which are part of their broader strategy to support enterprise-level defense with automation and AI-powered tools.
They offer solutions that are structured around different environments – on-premises, hybrid, and cloud-based – allowing organizations to integrate security into their software development lifecycle. With their Infinity Platform, Check Point supports threat detection, code vulnerability analysis, and security policy enforcement across complex infrastructures. This allows development teams to minimize risk during application development and deployment.
Key Highlights:
- AI-driven security architecture across network, cloud, and endpoint
- Centralized security management through the Infinity Platform
- Integration with DevOps for cloud-native application protection
- Prevention-first approach to threat detection and response
- Offers professional consulting and managed services
Services:
- Secure code review and threat detection
- Cloud and application security with CloudGuard
- Network and endpoint protection with Quantum and Harmony
- Security operations tools and incident management
- Advisory and managed cybersecurity services
Contact Information:
- Website: www.checkpoint.com
- E-mail: press@checkpoint.com
- Facebook: www.facebook.com/checkpointsoftware
- Twitter: x.com/checkpointsw
- LinkedIn: www.linkedin.com/company/check-point-software-technologies
- Address: 100 Oracle Parkway, Suite 800 Redwood City, CA 94065
- Phone: 1-800-429-4391
5. CrowdStrike
CrowdStrike is a cybersecurity company based in the United States that provides a wide range of threat detection and protection services through its AI-native Falcon platform. Their platform is built to support various security needs, including endpoint protection, cloud security, identity threat defense, and SOC acceleration. They focus on integrating AI across their services to automate detection and response tasks, helping organizations address cyber threats more quickly.
They also provide secure code review as part of their broader security consulting and assessment services. By examining application code for vulnerabilities, CrowdStrike supports organizations in identifying weaknesses before attackers can exploit them. Their services aim to support internal development and security teams through visibility, automation, and detailed insights into code and infrastructure risks.
Key Highlights:
- AI-native Falcon platform used across all services
- Offers support for secure code analysis within application security
- Covers endpoint, cloud, identity, and SOC operations
- Includes agent-based and agentless protection options
- Combines threat intelligence with consulting services
Services:
- Secure Code Review and Application Security Assessments
- Endpoint Detection and Response (EDR)
- Cloud Workload Protection
- Identity Threat Detection and Response
- Next-Generation SIEM with AI automation
- Threat Intelligence and Adversary Profiling
- Security Consulting and Incident Response
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: 1-888-512-8906
6. Fortinet
Fortinet is a US-based cybersecurity company that provides a wide range of solutions aimed at securing digital infrastructure for enterprises, service providers, and government entities. Their platform includes networking, cloud, endpoint, and operational security technologies. They emphasize integrating security and networking to support complex environments, including hybrid and multi-cloud deployments.
One of Fortinet’s core areas of focus is secure code review and threat detection across software and application layers. They incorporate automated analysis through their AI-driven FortiAI and FortiGuard Labs to detect vulnerabilities and enhance protection throughout the software development lifecycle. Their services are designed to support unified operations by centralizing visibility and control across systems.
Key Highlights:
- US-based provider of integrated cybersecurity and networking solutions
- Offers AI-driven security intelligence via FortiAI and FortiGuard Labs
- Focus on automation and centralized management of security functions
- Supports cloud-native application protection and threat response
- Aligns security with networking infrastructure
Services:
- Secure code analysis and vulnerability detection
- Threat intelligence and malware protection
- Network security through next-generation firewalls (NGFW)
- Cloud workload protection and application firewall (WAF)
- Security orchestration and automated response (SOAR)
- Extended detection and response (XDR)
- Secure SD-WAN and Zero Trust Network Access (ZTNA)
- Security operations center as a service (SOCaaS)
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: +1-866-868-3678
7. Proofpoint
Proofpoint is a cybersecurity company based in the United States that focuses on protecting users from threats that specifically target human behavior and actions. Their platform is built around the idea that most security risks originate from how individuals interact with digital tools, such as email, cloud applications, and collaboration platforms. They provide integrated solutions designed to detect, prevent, and respond to threats like phishing, email fraud, and account compromise.
In addition to threat detection, they offer tools for securing sensitive data, managing SaaS security posture, and guiding users through ongoing awareness training. Their services are aimed at helping organizations understand and reduce the risk created by user behavior, identity exposure, and digital communication. The company supports security efforts by analyzing user activity and threat patterns across a wide range of digital environments.
Key Highlights:
- Focused on human-centric security threats
- Provides AI-based detection across multiple platforms
- Supports identity and SaaS risk management
- Offers behavioral-based data protection and compliance tools
- Guides users with continuous security awareness programs
Services:
- Secure code and SaaS posture review
- Email threat protection and phishing defense
- Data loss prevention and governance
- User behavior analysis and risk mitigation
- Security awareness training and education
Contact Information:
- Website: www.proofpoint.com
- Facebook: www.facebook.com/proofpoint
- Twitter: x.com/proofpoint
- LinkedIn: www.linkedin.com/company/proofpoint
- Instagram: www.instagram.com/proofpoint
- Address: 925 W Maude Avenue Sunnyvale, CA 94085
- Phone: +1 408-517-4710
8. HackerOne
HackerOne operates as a security platform that specializes in vulnerability discovery through human-led testing and artificial intelligence tools. They provide secure code review through their Code Beta program, which combines expert human input and automated solutions to detect weaknesses earlier in the development cycle. This helps organizations identify risks before code is deployed to production. Their services are used across industries like finance, government, tech, and healthcare.
In the United States, HackerOne’s approach to secure code review is part of a broader offering that includes pentesting, bug bounty programs, and AI red teaming. Their platform supports continuous engagement with a large network of security researchers who contribute to uncovering code vulnerabilities. This setup allows for rapid identification and response to issues in both traditional applications and modern AI-powered systems.
Key Highlights:
- Offers secure code review under the Code Beta service
- Combines human insights with automated tools for early vulnerability detection
- Engages a large, global researcher community
- Works across industries including government, retail, finance, and healthcare
- Provides AI-focused security testing including AI red teaming
Services:
- Secure Code Review (Code Beta)
- Bug Bounty Programs
- Pentest as a Service
- Vulnerability Disclosure Program (VDP)
- Challenge-based Offensive Testing
- AI Red Teaming
- Continuous Vulnerability Discovery
- Application Security Testing
Contact Information:
- Website: www.hackerone.com
- Facebook: www.facebook.com/Hacker0x01
- Twitter: x.com/Hacker0x01
- LinkedIn: www.linkedin.com/company/hackerone
- Instagram: www.instagram.com/hacker0x01
9. IBM
IBM is a multinational technology and consulting company that offers a wide range of enterprise solutions, including secure code review services. Their work in application security is part of a broader portfolio that integrates security practices into the software development lifecycle. Through tools and consulting, they help organizations identify vulnerabilities in source code, reduce security risks, and comply with industry standards. Their secure code review approach often involves automated analysis alongside manual inspection by security specialists.
In the United States, IBM provides secure code review as part of its broader application security offerings, including services like threat modeling, penetration testing, and DevSecOps integration. These services are supported by IBM’s experience in security governance, as well as its use of AI-driven tools and enterprise consulting expertise. Their goal is to help development teams improve code security posture while maintaining delivery speed and compliance.
Key Highlights:
- Offers secure code review within a larger security services portfolio
- Uses AI-based and manual methods for vulnerability identification
- Focuses on integrating security early in the software development lifecycle
- Supports compliance with common industry standards and frameworks
- Backed by IBM’s consulting and cloud infrastructure capabilities
Services:
- Secure code review
- Threat modeling and risk assessment
- Application penetration testing
- Security consulting for DevSecOps practices
- Integration of automated security tools
- Compliance support and reporting
Contact Information:
- Website: www.ibm.com
- Twitter: x.com/ibm
- LinkedIn: www.linkedin.com/company/ibm
- Instagram: www.instagram.com/ibm
- Address: 1 New Orchard Road Armonk, New York 10504-1722 United States
- Phone: 1-800-426-4968
10. Tufin
Tufin specializes in network security policy management for complex, hybrid IT environments. They provide tools that give organizations centralized visibility and control over their firewall and cloud security configurations. Their platform enables companies to automate security policy changes and monitor compliance across diverse network setups, including on-premises, cloud, and multi-vendor systems.
Their suite of products is designed to reduce manual processes in managing security rules, improve policy consistency, and help organizations maintain compliance with internal and external standards. Tufin supports large enterprises with solutions that align with zero-trust principles and integrate with popular firewall vendors, cloud platforms, and compliance tools. Their focus is on providing automation, policy optimization, and risk analysis to strengthen network security operations at scale.
Key Highlights:
- Focus on network and firewall policy management in hybrid environments
- Integration with major firewalls and cloud platforms (AWS, Azure, GCP)
- Tools for automation of policy changes and compliance enforcement
- Centralized visibility for complex and multi-vendor infrastructures
- Supports zero-trust security models and continuous monitoring
Services:
- Firewall policy management
- Compliance enforcement and audit automation
- Network change automation and policy optimization
- Cloud security policy management
- Application connectivity management
- Professional services, training, and technical support
Contact Information:
- Website: www.tufin.com
- Facebook: www.facebook.com/Tufintech
- Twitter: x.com/tufintech
- LinkedIn: www.linkedin.com/company/tufin-technologies
- Phone: +1-877-270-7711
11. Cyber Security Operations Consulting (CyberSecOp)
Cyber Security Operations Consulting, also known as CyberSecOp, is a U.S.-based cybersecurity consulting company headquartered in New York and Stamford, Connecticut. They focus on secure code review, IT audits, network security audits, and overall risk assessments for businesses across various sectors. With decades of experience in regulatory compliance, they handle audits aligned with standards like ISO 27001, NIST, HIPAA, and PCI DSS. Their services are structured to help organizations identify gaps in their security posture and prioritize mitigation efforts.
CyberSecOp conducts in-depth assessments, including secure code reviews and vulnerability analysis for applications, systems, and networks. Their team works across IT infrastructure layers to detect security risks, identify non-compliance issues, and provide actionable recommendations. These assessments can also be used in legal or internal investigations. In addition to consulting services, they provide incident response, penetration testing, and ongoing managed security services to support clients before and after security breaches.
Key Highlights:
- Headquartered in New York and Stamford, CT
- Performs audits for ISO 27001, NIST, HIPAA, PCI DSS, and other standards
- Recognized by Gartner Peer Insights for cybersecurity consulting
- Offers support for incident response and ransomware cases
- Provides services across sectors including finance, healthcare, and energy
Services:
- Secure code review
- IT audit and network security audit
- Cybersecurity compliance audit
- Web and mobile application security testing
- Penetration testing
- Risk assessments and gap analysis
- Security awareness and advisory consulting
- Managed detection and response services
- Firewall and data security audits
- Digital forensics and incident response
Contact Information:
- Website: cybersecop.com
- E-mail: sales@cybersecop.com
- Facebook: www.facebook.com/cybersecop
- Twitter: x.com/cybersecop
- LinkedIn: www.linkedin.com/company/cybersecop
- Instagram: www.instagram.com/cybersecop
- Address: 1250 Broadway New York, NY 10001
- Phone: 866-973-2677
12. ScienceSoft
ScienceSoft provides IT security audit services across a broad range of industries. Their approach focuses on assessing how well a company’s existing security policies, procedures, and technical measures align with applicable cybersecurity standards. The audits can be performed either internally or externally, depending on client needs. When engaged for external audits, ScienceSoft acts as an independent reviewer, identifying security gaps and offering actionable insights for improvement.
Their audit process covers key areas such as asset management, data protection, configuration management, access control, and incident response. The company also reviews the security of third-party vendors and evaluates an organization’s ability to recover from data breaches or losses. ScienceSoft follows best practices from the Center for Internet Security (CIS) and incorporates compliance checks for standards like HIPAA, PCI DSS, ISO 27001, and GDPR. They offer both targeted and full-scope audit services, along with optional remediation support.
Key Highlights:
- Offers both internal and external IT security audits
- Uses CIS best practice guidelines for assessment
- Experienced in compliance checks for multiple regulations
- Provides detailed reporting with prioritized remediation advice
- Optional remediation support available post-audit
Services:
- Internal and external IT security audits
- Secure code and configuration reviews
- Vulnerability detection and continuous monitoring evaluation
- Access control and identity management analysis
- Data protection and encryption audits
- Incident response readiness checks
- Employee security awareness program evaluation
- Compliance gap analysis for standards like HIPAA, PCI DSS, ISO 27001, and GDPR
- Remediation strategy development and implementation
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 68 37
13. SBS CyberSecurity
SBS CyberSecurity provides secure code review and broader network security auditing services for organizations across the United States. Their approach includes both internal and external testing to uncover vulnerabilities that could be exploited by malicious actors. The company integrates simulated real-world attack scenarios into their assessments, which helps organizations understand their actual exposure to cyber threats. Their testing is supported by expert consultants who guide clients throughout the process, from preparation to post-assessment follow-up.
Their secure code and network review process includes a wide range of evaluations, such as firewall configuration reviews, phishing assessments, and credentialed internal network vulnerability assessments. SBS also offers a proprietary TRAC platform to help clients track remediation tasks, document compliance steps, and generate actionable reports. The platform supports structured reporting and centralized follow-up to streamline security task management and improve visibility into an organization’s security posture.
Key Highlights:
- Offers both internal and external network penetration testing
- Uses a white-box testing methodology to assess vulnerabilities
- Provides phishing and social engineering simulations
- Consultants assist before, during, and after each engagement
- Delivers clear, prioritized reporting for decision-making
- Uses a proprietary platform (TRAC) for tracking actions and compliance
Services:
- External network penetration testing
- Internal network penetration testing
- Credentialed vulnerability assessments
- Social engineering tests (phishing and impersonation)
- Firewall and remote access reviews
- Email and spam filtering reviews
- Internal network posture evaluations
- Action tracking and follow-up reporting through TRAC platform
Contact Information:
- Website: sbscyber.com
- E-mail: support@sbscyber.com
- Facebook: www.facebook.com/trustSBS
- Twitter: x.com/SBSCyber
- LinkedIn: www.linkedin.com/company/sbs-cybersecurity
- Address: 700 S Washington Ave Ste 200 Madison, SD 57042
- Phone: 605-923-8722
Conclusion
Choosing the right network security audit company is a crucial step for organizations aiming to protect their systems from vulnerabilities and potential threats. The companies featured in this article offer a range of technical services, from internal and external penetration testing to firewall reviews and social engineering assessments. Each firm approaches security assessments with structured methodologies to help organizations identify risks and implement practical safeguards.
While no single provider fits every need, the firms highlighted here demonstrate strong capabilities in secure code review, vulnerability assessment, and compliance support. When evaluating providers, organizations should consider the scope of services, clarity of reporting, and the ability of consultants to communicate actionable recommendations. A well-executed security audit not only strengthens defenses but also supports long-term risk management strategies.
