List of the Top 25 Application Security Software for Linux in 2025

Fortify your technology ecosystem using Aikido's comprehensive code-to-cloud security solution. Quickly identify and address vulnerabilities with ease and automation. Aikido's application security framework integrates essential scanning features such as SAST, DAST, SCA, CSPM, IaC, container scanning, and more, establishing it as a genuine ASPM platform.

Heimdal® Endpoint Detection and Response is our exclusive multi-faceted service that offers exceptional capabilities for prevention, threat hunting, and remediation. This service integrates the most cutting-edge threat-hunting technologies available, including Heimdal Next-Gen Antivirus, Heimdal Privileged Access Management, Heimdal Application Control, Heimdal Ransomware Encryption Protection, Heimdal Patch & Asset Management, and Heimdal Threat Prevention. With six modules functioning together harmoniously under a single platform and agent, Heimdal Endpoint Detection and Response provides comprehensive cybersecurity layers necessary for safeguarding your organization against both familiar and unfamiliar online and internal threats. Our advanced product enables rapid and precise responses to complex malware, ensuring that your digital assets are protected while also maintaining your organization's reputation. By consolidating these capabilities, we deliver an efficient solution that addresses the evolving challenges of cybersecurity effectively.

Imunify360 offers comprehensive security solutions tailored for web-hosting servers. Beyond merely functioning as antivirus software and a web application firewall, Imunify360 integrates an Intrusion Prevention and Detection system along with a specialized web application firewall, real-time antivirus protection, and patch management features into a cohesive security package. This innovative suite is designed to be fully automated, providing users with an intuitive dashboard that presents all relevant statistics clearly. In addition, Imunify360 continuously updates its protective measures to adapt to emerging threats, ensuring that web-hosting environments remain secure at all times.

SecPod SanerNow stands out as a premier unified platform for endpoint security and management, empowering IT and security teams to streamline and automate essential cyber hygiene processes. Utilizing a sophisticated agent-server framework, it guarantees robust endpoint security alongside efficient management capabilities. The platform excels in vulnerability management by providing comprehensive scanning, detection, assessment, and prioritization features. Available for both on-premise and cloud deployment, SanerNow seamlessly integrates with patch management systems to facilitate automatic updates across major operating systems like Windows, macOS, and Linux, as well as numerous third-party software applications. What truly sets it apart is its expansion into additional critical functionalities, which include security compliance management and IT asset tracking. Moreover, users can leverage capabilities for software deployment, device control, and endpoint threat detection and response. All of these operations can be conducted remotely and automated, reinforcing defenses against the evolving threats posed by modern cyberattacks. This versatile platform not only enhances security but also simplifies the management of IT assets, making it an invaluable tool for organizations of all sizes.

Perimeter 81 is transforming the landscape of network security with its innovative SaaS solution that delivers tailored networking and top-tier cloud protection. By streamlining secure access to networks, clouds, and applications for today's distributed workforce, Perimeter 81 empowers businesses of all sizes to operate securely and confidently within the cloud. Unlike traditional hardware firewalls and VPNs, Perimeter 81 offers a cloud-based, user-focused Secure Network as a Service that utilizes Zero Trust and Software Defined Perimeter security frameworks. This modern approach not only enhances network visibility but also ensures effortless integration with leading cloud providers and facilitates smooth onboarding for users. The result is a comprehensive security solution that adapts to the needs of contemporary organizations while promoting a more agile and secure working environment.

GitGuardian is a worldwide cybersecurity company dedicated to providing code security solutions tailored for the DevOps era. As a frontrunner in the realm of secrets detection and remediation, their products are employed by hundreds of thousands of developers across various sectors. GitGuardian empowers developers, cloud operations teams, and security and compliance experts to protect software development, ensuring consistent and global policy enforcement across all systems. Their solutions continuously monitor both public and private repositories in real-time, identifying secrets and issuing alerts to facilitate swift investigation and remediation efforts. Additionally, the platform streamlines the process of maintaining security protocols, making it easier for teams to manage their codebases effectively.

Invicti, previously known as Netsparker, significantly mitigates the threat of cyberattacks. Its automated application security testing offers unparalleled scalability. As the security challenges your team faces outpace the available personnel, integrating security testing automation into every phase of your Software Development Life Cycle (SDLC) becomes essential. By automating security-related tasks, your team can reclaim hundreds of hours each month, allowing for a more efficient workflow. It is crucial to pinpoint critical vulnerabilities and delegate them for remediation. Whether managing an Application Security, DevOps, or DevSecOps initiative, this approach equips security and development teams to stay ahead of their demands. Gaining comprehensive visibility into your applications, vulnerabilities, and remediation efforts is vital to demonstrating a commitment to reducing your organization's risk. Additionally, you can uncover all web assets, including those that may have been neglected or compromised. Our distinctive dynamic and interactive scanning technique (DAST + IAST) enables you to thoroughly explore your applications' hidden areas in ways that other solutions simply cannot achieve. By leveraging this innovative scanning method, you can enhance your overall security posture and ensure better protection for your digital assets.

Debricked offers a tool that enhances the utilization of Open Source while effectively reducing associated risks, enabling developers to sustain a rapid development speed without compromising security. Leveraging advanced machine learning technology, the service guarantees exceptional data quality that can be rapidly refreshed. This innovative tool stands out in the realm of Open Source Management by delivering high accuracy (over 90% for supported languages), an impeccable user experience, and scalable automation capabilities. Recently, Debricked introduced a new feature called Open Source Select, which facilitates the comparison, evaluation, and monitoring of open source projects to ensure both quality and the well-being of their communities. With this addition, users can make more informed decisions about the projects they choose to incorporate into their work.

Cameyo serves as a robust Virtual Application Delivery (VAD) platform tailored for any Digital Workspace, facilitating the easy, seamless, and secure delivery of Windows and internal web applications directly through a browser, eliminating the reliance on VPNs or virtual desktops. By enabling organizations to provide their employees with secure access to essential business applications from virtually any location, Cameyo supports the feasibility of hybrid and remote work arrangements. This innovative Digital Workspace solution is trusted by numerous organizations and enterprises, effectively reaching hundreds of thousands of users globally. As a result, Cameyo not only enhances productivity but also fosters a more flexible work environment for its users.

HCL AppScan is essential for conducting Application Security Testing. By implementing a flexible security testing approach, organizations can effectively identify and resolve application vulnerabilities throughout all phases of development, thereby reducing the risk of attack. HCL AppScan offers top-tier security testing tools that safeguard both businesses and their customers from potential threats. It enables rapid detection, comprehension, and remediation of security issues. Addressing application vulnerabilities is critical in preventing future complications. This cloud-based suite allows for comprehensive application security testing, including static, dynamic, and interactive testing across web and mobile platforms. With its capabilities for multi-user and multi-application dynamic application security testing (DAST), HCL AppScan is designed to identify, analyze, and mitigate vulnerabilities while ensuring compliance with regulatory standards. Organizations can leverage this robust platform to enhance their overall security posture.

Jit's DevSecOps Orchestration Platform empowers fast-paced Engineering teams to take charge of product security without compromising development speed. By providing a cohesive and user-friendly experience for developers, we imagine a future where every cloud application is initially equipped with Minimal Viable Security (MVS) and continually enhances its security posture through the integration of Continuous Security in CI/CD/CS processes. This approach not only streamlines security practices but also fosters a culture of accountability and innovation within development teams.

Acunetix stands at the forefront of automated web application security testing and has garnered a strong preference among numerous Fortune 500 companies. This tool is adept at identifying and reporting a diverse array of vulnerabilities within web applications. Its advanced crawler is designed to fully accommodate HTML5, JavaScript, and Single-page applications, enabling thorough audits of intricate, authenticated environments. Notably, Acunetix is unique in its capability to automatically identify out-of-band vulnerabilities, setting it apart from other solutions. Users can access Acunetix both online and as an on-premise installation. Moreover, the platform features integrated vulnerability management tools that empower enterprises to efficiently manage, prioritize, and mitigate various vulnerability threats, taking into account the criticality to their business operations. Acunetix also boasts compatibility with widely-used Issue Trackers and Web Application Firewalls (WAFs), ensuring a seamless integration into existing security workflows. Additionally, it is available for use on major operating systems, including Windows and Linux, as well as through online platforms.

Safeguard the security and reliability of your code by pinpointing data flows that are accessible externally and any vulnerabilities that may exist to effectively manage risk. By uncovering genuine attack vectors that can lead to executable code, you enable the remediation of only the code and open-source software that are actively in use and at risk. This approach prevents unnecessary strain on development teams by steering clear of irrelevant vulnerabilities. Moreover, it enhances the efficiency of risk-mitigation strategies, ensuring a concentrated and effective focus on security initiatives. By filtering out non-reachable packages, the noise generated by CSPM and CNAPP is significantly reduced. Conduct a thorough analysis of your software components and dependencies to uncover known vulnerabilities or outdated libraries that might present a threat. Backslash examines both direct and transitive packages, guaranteeing complete coverage of 100%. This method proves to be more effective than traditional tools that solely concentrate on direct packages, thus enhancing overall code reliability. It is crucial to adopt these practices to ensure that your software remains resilient against evolving security threats.

SecureStack identifies prevalent security vulnerabilities within your CI/CD pipeline and stops them from infiltrating your applications. With every git push, SecureStack seamlessly integrates security measures. Our innovative technology meticulously analyzes all facets of your application's security posture. We identify absent security controls and ensure that encryption is properly implemented. Additionally, we evaluate the efficiency of your Web Application Firewall (WAF). Remarkably, this entire process is completed in under a minute. We provide a perspective similar to that of hackers, allowing you to understand what they see when targeting your applications. By comparing your development, staging, and production environments, you can swiftly pinpoint significant discrepancies and address urgent challenges. Furthermore, we assist you in breaking down your web application, offering insights into all the underlying resources being utilized. This comprehensive approach empowers teams to enhance their overall security strategy effectively.

In today's fast-paced business environment, software development must keep pace with the demands of the market. However, the current AppSec toolbox often suffers from a lack of integration, leading to complexities that can impede the software development life cycle. By employing Contrast, development teams can alleviate these challenges, as it reduces the complications that frequently affect their productivity. Traditional AppSec methods rely on a one-size-fits-all strategy for identifying and addressing vulnerabilities, resulting in inefficiencies and high costs. In contrast, Contrast optimizes the application of the most effective analysis and remediation techniques, significantly enhancing both efficiency and effectiveness. Additionally, disparate AppSec tools can create operational silos, which obstruct the gathering of actionable insights related to the application's attack surface. Contrast addresses this issue by offering centralized observability, essential for risk management and leveraging operational efficiencies, benefiting both security and development teams alike. Furthermore, Contrast Scan, designed specifically for integration within development pipelines, ensures the swift, precise, and cohesive solutions that modern software development demands, ultimately leading to a more agile and responsive approach.

Elevate your approach to asset management by transforming complexity into actionable capability. Our cyber asset analysis platform equips security teams with comprehensive insight into their assets, contextual information, and the risks inherent to their attack surface. With JupiterOne, organizations can shift from the challenges of asset visibility to harnessing it as a powerful advantage. This transition not only enhances security posture but also fosters a proactive approach to managing vulnerabilities.

Security teams have the ability to swiftly pinpoint vulnerabilities through resources like CVE, OWASP, and Stackoverflow. Krugle serves as a valuable tool for developers, enabling them to discover essential code corrections, exchange insights for problem-solving, and address complex challenges. Additionally, support engineers utilize Krugle Enterprise to collaborate on solutions, confirm information, and locate vital resources. With Krugle, organizations benefit from a federated system that continuously updates access to crucial code and technical information relevant to their operations. Moreover, Krugle's search capabilities empower businesses to efficiently detect critical coding patterns or application-related issues, offering instant results on a wide scale. This comprehensive approach ensures that teams are well-equipped to maintain robust security and address emerging challenges effectively.

Security teams have the capability to utilize the Infocyte Managed Response Platform to identify and address cyber threats and vulnerabilities present in their networks. This versatile platform supports a range of environments, including physical, virtual, and serverless assets. Our Managed Detection and Response (MDR) platform provides features such as asset and application discovery, automated threat hunting, and on-demand incident response. By implementing these proactive cybersecurity strategies, organizations can significantly decrease the time attackers remain undetected, mitigate overall risk, ensure compliance with regulations, and enhance the efficiency of their security operations. Furthermore, these tools empower security teams to stay one step ahead of potential threats.

Barracuda Application Protection functions as an integrated solution that provides strong security for web applications and APIs in various settings, including on-premises, cloud, or hybrid environments. It unifies comprehensive Web Application and API Protection (WAAP) features with advanced security tools to counter a wide range of threats, such as the OWASP Top 10, zero-day attacks, and numerous automated threats. Key features include machine learning-based auto-configuration, extensive DDoS mitigation, sophisticated bot defense, and protections for client-side vulnerabilities, all designed to shield applications from multifaceted threats. Additionally, the platform includes a strengthened SSL/TLS stack to secure HTTPS communications, an integrated content delivery network (CDN) for improved performance, and compatibility with multiple authentication services for precise access management. By simplifying application security, Barracuda Application Protection provides a streamlined solution that is both easy to use and simple to deploy, configure, and oversee, making it a compelling option for organizations aiming to enhance their digital security. Its adaptability enables businesses to adjust their security measures in response to the ever-changing challenges posed by the cyber threat landscape, ensuring continued protection of vital assets. This versatility is particularly important as cyber threats become increasingly sophisticated.

ActiveState offers Intelligent Remediation for managing vulnerabilities, empowering DevSecOps teams to effectively pinpoint vulnerabilities within open source packages while also automating the prioritization, remediation, and deployment of fixes into production seamlessly, thereby safeguarding applications. Our approach includes: - Providing insight into your vulnerability blast radius, allowing a comprehensive understanding of each vulnerability's actual impact across your organization, supported by our unique catalog of over 40 million open source components developed and validated over the past 25 years. - Smartly prioritizing remediation efforts to convert risks into actionable steps, relieving teams from the burden of excessive alerts through AI-driven analysis that identifies potential breaking changes, optimizes remediation workflows, and speeds up security processes. - Enabling precise remediation of critical issues—contrary to other solutions, ActiveState not only recommends actions but also allows you to deploy fixed artifacts or document exceptions, ensuring a significant reduction in vulnerabilities and enhancing the security of your software supply chain. Ultimately, our goal is to create a robust framework for vulnerability management that not only protects your applications but also streamlines your development processes.

Phylum acts as a protective barrier for applications within the open-source ecosystem and the associated software development tools. Its automated analysis engine rigorously examines third-party code upon its entry into the open-source domain, aiming to evaluate software packages, detect potential risks, alert users, and thwart attacks. You can visualize Phylum as a type of firewall specifically designed for open-source code. It can be positioned in front of artifact repository managers, seamlessly integrate with package managers, or be utilized within CI/CD pipelines. Users of Phylum gain access to a robust automated analysis engine that provides proprietary insights rather than depending on manually maintained lists. Employing techniques such as SAST, heuristics, machine learning, and artificial intelligence, Phylum effectively identifies and reports zero-day vulnerabilities. This empowers users to be aware of risks much earlier in the development lifecycle, resulting in a stronger defense for the software supply chain. The Phylum policy library enables users to enable the blocking of critical vulnerabilities, including threats such as typosquats, obfuscated code, dependency confusion, copyleft licenses, and additional risks. Furthermore, the adaptability of Open Policy Agent (OPA) allows clients to create highly customizable and specific policies tailored to their individual requirements, enhancing their security posture even further. With Phylum, organizations can ensure comprehensive protection while navigating the complexities of open-source software development.

Open-appsec is an innovative open-source project that leverages machine learning to deliver proactive security measures for web applications and APIs, safeguarding against the OWASP Top 10 vulnerabilities as well as zero-day exploits. This system can be seamlessly integrated as an add-on to Kubernetes Ingress, NGINX, Envoy, and various API Gateways. The core engine of open-appsec observes typical user interactions with your web application, utilizing this behavior data to identify any requests that deviate from established norms, subsequently forwarding these anomalies for further scrutiny to determine their potential maliciousness. To achieve this, open-appsec employs two distinct machine learning models: 1. A supervised model developed offline, drawing insights from millions of both malicious and harmless requests. 2. An unsupervised model that evolves in real time within the protected environment, focusing on the unique traffic patterns of that specific setting. In addition to its robust detection capabilities, open-appsec streamlines maintenance by eliminating the need for frequent threat signature updates and exception management, which are often prerequisites in many conventional WAF solutions. Overall, open-appsec not only enhances security but also reduces the complexity typically associated with managing web application firewalls.

A modern application security solution that seamlessly integrates with DevOps practices allows for the secure development of applications from their initial phase to end-user delivery. The application landscape has transformed greatly, characterized by microservices that run in containers, communicate via APIs, and are deployed through automated CI/CD pipelines. For DevOps teams, it is crucial to weave in security protocols endorsed by the security team across decentralized systems without hindering release velocity or system efficiency. NGINX App Protect emerges as a powerful security tool designed for contemporary applications, acting as both a comprehensive web application firewall (WAF) and a protector against application-layer denial-of-service (DoS) attacks, thereby ensuring secure application delivery from the coding phase to the end customer. This solution integrates effortlessly with NGINX Plus and NGINX Ingress Controller, offering robust security mechanisms that defend against a variety of advanced threats and subtle attacks. By simplifying the security process and minimizing the proliferation of tools, it supports the development of advanced applications. With NGINX App Protect, organizations are positioned to build, secure, and manage agile applications that reduce expenses, boost operational effectiveness, and enhance user protection against new vulnerabilities. Consequently, this enables teams to dedicate more resources to innovation rather than being bogged down by security issues, ultimately fostering a culture of continuous improvement and resilience against cyber threats.

DerScanner is an intuitive, officially CWE-Compatible solution that combines the capabilities of static application security testing (SAST), dynamic application security testing (DAST), and software composition analysis (SCA) into a unified platform. This innovative tool greatly improves the management of application and information system security, enabling users to evaluate proprietary and open-source code with ease. By linking insights from both SAST and DAST, it facilitates the confirmation and prioritization of fixing vulnerabilities. Users can enhance the integrity of their code by addressing flaws in both their own and third-party software components. In addition, it promotes an unbiased code review process through analysis that is detached from the developers. The tool effectively uncovers vulnerabilities and undocumented features across all stages of the software development lifecycle. Furthermore, it provides oversight for both internal and external developers while safeguarding legacy applications. Ultimately, DerScanner is designed to elevate user experience by providing a secure and efficiently functioning application that aligns with current security standards. With its holistic approach, organizations can confidently trust in their software's ability to withstand various threats, fostering a culture of security awareness and proactive risk management.

No matter if your data is stored in a cloud environment—whether it’s private, public, or hybrid—or handled on your premises, Armor is committed to safeguarding it. We concentrate on pinpointing real threats and filtering out distractions through advanced analytics, automated processes, and a specialized team that is available 24/7. When an attack occurs, our response is proactive; our Security Operations Center experts provide your security team with actionable guidance on effective response tactics and resolution methods rather than just sending alerts. We emphasize utilizing open-source tools and cloud-native solutions, which helps to free you from conventional vendor dependencies. Our infrastructure as code (IaC) approach for continuous deployment integrates smoothly into your existing DevOps pipeline, or we can assume full control of stack management if needed. Our goal is to empower your organization by simplifying the implementation and maintenance of security and compliance measures. This commitment not only makes security more accessible but also enhances your organization’s operational resilience in an ever-evolving digital world, ultimately enabling you to navigate complexities with greater ease.