Vulnerability Management Companies and Scanning Vendors

5Q Cyber helps companies become more secure by providing the full spectrum of managed cyber security services to the real estate industry, from building security assessments/remediation and a cloud-based 24 x 7 Security Operations Center to practical Chief Security Officer strategic and advisory services.

909Cyber is a cybersecurity firm offering expert consulting and recruitment services. With decades of experience across various industries and company sizes--from series A startups to Fortune 100 enterprises–we bring deep expertise to every engagement. Our Consulting philosophy centers on reducing risk, minimizing security friction, and lowering costs. Through our "Pragmatic Security" approach, we assess your spending, processes, and operations, providing recommendations that help you save money without compromising security. We include tailored vCISO services that provide executive-level strategic leadership. Our Recruitment services leverage our expert practitioners during the lifecycle of the hire; saving our clients valuable time.

Since 2004, Altus has been committed to delivering superior quality, performance-based services and solutions. Altus provides expert level multi-discipline Engineering and Technology support solutions to Commercial, Federal, State and Local government mission partners. Altus is an ISO 9001:2015 certified small business contractor focused on providing mission-critical services and solutions in IT network management, operations and maintenance, cyber security, software and application testing, infrastructure engineering and integration, and telecommunications support.

ARCH is a Canberra-based company providing high-quality cyber security consulting services to the private and public sectors. We have extensive experience working with diverse organisations to assist them in improving their cyber security posture.

Argo Cyber Systems is a Service Disabled Veteran Owned Small Business (SDVOSB). Located in Historic Downtown Pensacola, Argo Cyber Systems is a pure-play cyber security firm. We are cyber security and intelligence experts offering dedicated threat and security monitoring of critical infrastructure assets, businesses, and other environments. Cyber Services Managed Detection and Response (MDR) and Cyber Threat Monitoring Argo Cyber Systems provides managed cyber monitoring services through a dedicated SIEM and Cyber Threat Monitoring platform with an advanced threat correlation engine at affordable prices. Continuous Asset Discovery By utilizing technology which can automatically discover new devices on your network, we always know what's connected in your digital environment. Continuous Real-time Threat Monitoring, Correlation & Alerting It does not matter if you are in AWS, Azure, Google Cloud Platform, or on premise, we are able to gain visibility of devices, systems, applications, and user activities in your environment. We support Office 365, G Suite, network devices, operating systems, and over 400 devices and applications that are important to your businesses' day-to-day activities. Global Threat Analysis and Supply Chain Cyber Risk Management Due Diligence X© (DDX) was created with this in mind – to provide a dynamic platform for testing devices for assurance that the equipment will be free from a variety of security threats. Assessment Support Services and Penetration Testing ARGO Cyber Systems Principals have gained decades of experience conducting various types of assessments including Cyber Risk Assessments, Threat Assessments, Risk Management and Threat intelligence from our work with the DOD and Federal. Breach Clean up, Mitigation and Remediation Argo Cyber is capable of mitigation and remediation of your assets and environment in the event you are breached.

ATTACKD helps businesses see CyberSecurity from the attacker's perspective by focusing on real threats and vulnerabilities. We bring context and clarity to your security program, ensuring "We Secure Progress" in every aspect of your business.

Actionable Security, based in Sparta, New Jersey, is dedicated to helping small businesses navigate the ever-evolving cybersecurity threat landscape. Our mission is simple yet powerful: to ensure that every client feels safer after engaging with us. As a fellow small business, we understand the unique challenges you face in today's digital world. We don't just offer generic solutions—we provide personalized cybersecurity strategies tailored to your specific needs. Our services include: Cybersecurity Risk Assessments: Comprehensive evaluations to identify vulnerabilities and protect your business from potential threats. Virtual Chief Information Security Officer (vCISO) Advisory Services: Expert guidance to strengthen your security posture without the overhead of a full-time executive. At Actionable Security, we believe that robust cybersecurity isn't a luxury—it's a necessity for every business, regardless of size. We leverage our extensive experience to deliver proactive, practical, and affordable solutions that empower you to focus on what matters most: growing your business with confidence. Let us be your trusted partner in building a secure future. Together, we'll fortify your defenses and navigate the complexities of cybersecurity, ensuring peace of mind every step of the way.

Permanently Closed

Advanced Cybersecurity Experts, LLC specializes in delivering top-tier cybersecurity consulting services with an emphasis on artificial intelligence and proactive threat hunting. We are dedicated to helping organizations defend against the most sophisticated cyber threats by integrating cutting-edge AI technology into our security solutions. Our expert team provides deep industry insights and customizes security strategies to enhance digital defenses and ensure continuous protection. At ACE, we not only respond to incidents but also anticipate and prevent them, securing your business's future in the digital world.

Agile Cybersecurity Solutions (ACS) is a trusted leader in Cybersecurity. Our unique combination of proven methodologies and multi-disciplined cyber expertise forms a proactive, end-to-end Cybersecurity solution. ACS offers everything that's required to build a strong defense against the cyber threat, but also to keep you one step ahead of it.

Our consultants were all forged in the greatest cyber security consultancy teams (NCC, KPMG, Deloitte, etc). But we're lightweight so you don't have to pay for all that bloat. Same experience, better price, no faff.

AlphaGuard provides a cutting-edge cybersecurity platform along with expert IT consulting services. We offer enterprise-ready security solutions designed for simplicity and effectiveness, catering to businesses of all sizes. With features like anti-malware, vulnerability detection, and security assessments, AlphaGuard ensures robust protection. Our IT consulting services further enhance our clients' technological strategies, ensuring optimal security and efficiency.

While there are many security organizations that serve the Fortune 100, Antigen Security serves organizations of all shapes and sizes. This is because we know threats affect everyone, no matter how small or large the organization. At Antigen Security, we understand the connection our business has to individuals, communities, and the local economy. That's why we're committed to helping our clients protect themselves from threats. The founders of Antigen Security met while working together in the Information Security community in Michigan, and have taken that passion for community, education, and supporting individuals and groups to fulfill on projects, conferences, and educational material across Michigan and at information security conferences throughout the US. Antigen Security's mission is to stop crime, fight fraud, and tackle threats for organizations to protect our community, people, and way of life.

Antimatter Security is a consulting company composed of elite hackers and military veterans. Our team members have backgrounds across a wide range of fields and experience from a diverse group of organizations. Our flexible team gets deeper into a company's systems other security companies are not equipped to. Antimatter Security does not do generic scanner-type testing that skips overcareful manual analysis. We will develop a plan that is tailored to your needs and provide a comprehensive report of the vulnerabilities threatening your company. With our diverse experience, we can help all types of companies, thanks to knowledge from years of working deep in the networks of global Fortune 500 companies and specialized industrial operations. As a valued client of Antimatter Security, you will gain the confidence not only from discovering the critical vulnerabilities in your network but also from working toward the goal of building a mature and proactive security program for your own company.

AppSecure Security is a cybersecurity company based in Bengaluru, India, specializing in offensive security services. Founded by experienced bug bounty experts, the company offers services such as Vulnerability Assessment and Penetration Testing (VAPT), Red Teaming, and continuous penetration testing. Their team of ethical hackers focuses on identifying real, exploitable vulnerabilities to help businesses safeguard their digital assets against evolving cyber threats. With a commitment to quality over scale, AppSecure operates with a small team and emphasizes tailored security solutions across various industries, including Fintech, AI, SaaS, and Healthtech. They provide compliance support to help organizations meet standards like ISO 27001 and GDPR. AppSecure is recognized for its deep expertise in security validation and has built a reputation as a trusted partner for enterprises seeking to enhance their security posture through rigorous testing and actionable remediation strategies.

Mammoth Cyber is a cybersecurity company based in Palo Alto, California, founded in 2021. The company specializes in advanced browser-based security solutions that protect enterprises by securing user interactions with applications, data, and infrastructure under zero-trust principles. They believe the browser is the new enterprise workspace and focus on creating a secure environment for access and data flow. Their flagship product, the Mammoth Enterprise Browser, provides organizations with granular control over user interactions with internal and SaaS applications. This modern browser enables secure remote access without VPNs, enforces data compliance, and regulates generative AI usage. Key services include secure remote access for employees and partners, a mobile enterprise browser for on-the-go security, and protection for sensitive data against exposure to AI tools. Mammoth Cyber serves enterprises with significant remote workforces and those advancing zero-trust security initiatives, partnering with leading technology vendors to enhance their offerings.

In the world of keeping our digital information safe, we're only as secure as our least protected part. We tackle this vulnerability by empowering our employees to become "cyber vigilantes" who work alongside our technology to enhance overall security. On average, businesses receive over 5,000 cyber alerts every month, which is too much for the IT department to handle alone. That's where our Human Firewall Program comes in. This program involves everyone in the company in an ongoing effort to make our digital environment more secure. It's unique because it focuses on changing how people behave online, helping them understand the tactics of cybercriminals, and actively participating in spotting potential threats using our Vigilante Dashboard. It's like giving everyone in the company an extra set of eyes to watch out for any suspicious activity, making our organization safer from cyber threats.

White-glove IT and cybersecurity consulting & operations for businesses of all sizes.

Assurance io is an IT security consulting, auditing and training firm specializing in HIPAA/HITECH, PCI, SOX, vulnerability assessment and penetration testing. Assurance io prides itself on having the technical and operational expertise to help organization identify and address their audit and security needs.

En AutDefend, ofrecemos soluciones avanzadas de ciberseguridad estratégica. Nacimos hace más de 20 años protegiendo al sector más exigente del mundo: el financiero. Hoy, aplicamos ese mismo nivel de rigor, precisión y experiencia para defender a organizaciones de todas las industrias frente a los desafíos del entorno digital actual.

ACX - Created with the sole purpose of understanding the fundamentals of the automotive industry while merging specific areas of the evolving cybersecurity, technology sector. ACX - Autocyberworx is your primary Automotive cyber solutions provider. With proven processes applied within the major financial institutions and national telecom providers. ACX has developed a unique, personal plan for your retail automotive facility. Regardless of the manufacturing brand, yearly sales volume, location, or staff size … ACX's priority is to ensure that your facility is doing its due diligence to prevent breaching of your clients' information. As an ACX partner, your retail facility will be promoted as a company that takes its clientele's personal information as a priority, while emphasizing your dealership initiative versus the competition. When your client inquires "if you are an ACX partner?", you can feel confident with a response of "YES". The automotive industry needs ACX.

Aware - an HSO Company is a New Zealand-based technology firm that specializes in artificial intelligence (AI), emerging technologies, and data-driven solutions. As an award-winning Microsoft Solutions partner, Aware Group has nearly a decade of experience in developing and managing enterprise AI solutions. The company emphasizes the ethical and sustainable use of technology to enhance the lives of individuals and organizations. Their services include the deployment of cognitive AI-enabled devices, advanced applications like computer vision and acoustic detection, and the integration of modern data platforms. Aware Group also offers custom AI solutions tailored to client needs, along with consulting on leveraging AI for business transformation. They have established partnerships with notable organizations such as Microsoft, Databricks, and Pax8, which support their ability to deliver innovative AI-driven products for both enterprise and public sector clients.

Who we are: The business application security initiative is a non-profit alliance that focuses on security defects in business applications. These applications are responsible for processing and managing the most critical business information an processes, which turns their protection into a key subject for private, governmental and defense organizations around the globe. These days many security professionals believe that ERP security is a synonym for "Segregation of Duties". While functional security is highly important, there are many other threats which imply higher levels of risk and are not usually properly assessed. The work of BIZEC is centered on risk rather than on technical details. This enables organizations to understand the impact of application security vulnerabilities and prioritize their mitigation accordingly.

Avella is a boutique Managed Security Service Provider (MSSP) based in Birmingham, United Kingdom. Founded in 2015 and rebranded in 2025, the company specializes in cybersecurity services, including managed security, incident response, and cyber audits. Avella is recognized as an NCSC Assured Service Provider, demonstrating its commitment to high standards in cybersecurity. The team at Avella comprises security experts, including former Chief Information Security Officers and intelligence professionals. They focus on delivering tailored security solutions that align with clients' specific needs and environments. Avella serves a diverse range of sectors, including government, healthcare, energy, and financial services, and has built a reputation for professionalism and expertise in the industry. Their mission is to be a leading partner in managed security services, emphasizing values such as integrity, reliability, and trustworthiness.