Best Vulnerability Scanners for Linux of 2025

Enhance the security of your stack with Aikido's comprehensive code-to-cloud security solution. Quickly identify and rectify vulnerabilities with automated processes. Aikido offers a holistic approach by integrating a variety of essential scanning features. From SAST, DAST, SCA, CSPM, IaC, to container scanning and beyond, it stands out as a genuine ASPM platform.

Security Solutions for Your DevOps Process Automate scanning your code to find and fix vulnerabilities. Kiuwan Code Security is compliant with the strictest security standards, such OWASP or CWE. It integrates with top DevOps tools and covers all important languages. Static application security testing and source analysis are both effective, and affordable solutions for all sizes of teams. Kiuwan provides a wide range of essential functionality that can be integrated into your internal development infrastructure. Quick vulnerability detection: Simple and quick setup. You can scan your area and receive results in minutes. DevOps Approach to Code Security: Integrate Kiuwan into your Ci/CD/DevOps Pipeline to automate your security process. Flexible Licensing Options. There are many options. One-time scans and continuous scanning. Kiuwan also offers On-Premise or Saas models.

Runecast is an enterprise IT platform that saves your Security and Operations teams time and resources by enabling a proactive approach to ITOM, CSPM, and compliance. Your team can do more with less via a single platform that checks all your cloud infrastructure, for increased visibility, security, and time-saving. Security teams benefit from simplified vulnerability management and regulatory compliance, across multiple standards and technologies. Operations teams are able to reduce operational overheads and increase clarity, enabling you to be proactive and return to the valuable work you want to be doing.

GitGuardian is a global cybersecurity startup focusing on code security solutions for the DevOps generation. A leader in the market of secrets detection and remediation, its solutions are already used by hundred thousands developers in all industries. GitGuardian helps developers, cloud operation, security and compliance professionals secure software development, define and enforce policies consistently and globally across all their systems. GitGuardian solutions monitor public and private repositories in real-time, detect secrets and alert to allow investigation and quick remediation.

Invicti (formerly Netsparker) dramatically reduces your risk of being attacked. Automated application security testing that scales like none other. Your team's security problems grow faster than your staff. Security testing automation should be integrated into every step in your SDLC. Automate security tasks to save your team hundreds of hours every month. Identify the critical vulnerabilities and then assign them to remediation. Whether you are running an AppSec, DevOps or DevSecOps program, help security and development teams to get ahead of their workloads. It's difficult to prove that you are doing everything possible to reduce your company's risk without full visibility into your apps, vulnerabilities and remediation efforts. You can find all web assets, even those that have been forgotten or stolen. Our unique dynamic + interactive (DAST+ IAST) scanning method allows you to scan the corners of your apps in a way that other tools cannot.

SaltStack is an intelligent IT automation platform that can manage, secure, and optimize any infrastructure--on-prem, in the cloud, or at the edge. It is built on an event-driven automation engine that detects and responds intelligently to any system. This makes it a powerful solution for managing complex environments. SaltStack's new SecOps offering can detect security flaws and mis-configured systems. This powerful automation can detect and fix any issue quickly, allowing you and your team to keep your infrastructure secure, compliant, and up to date. Comply and Protect are both part of the SecOps suite. Comply scans for compliance with CIS, DISA, STIG, NIST and PCI standards. Also, scan your operating system for vulnerabilities and update it with patches and patches.

Haltdos ensures the 100% high availability of your website/web services by providing intelligent Web Application Firewall and application DDoS mitigation, Bot Protection, SSL offloading, Load Balancing solution over the public and private cloud that monitors, detects, and automatically mitigates a wide range of cyber-attacks including OWASP top 10 and Zero-day attacks, without requiring any human intervention.

As the top choice for automated web application security testing, Acunetix by Invicti stands out as the preferred security solution among Fortune 500 firms. DevSecOps teams can efficiently navigate through complexities to identify hidden risks and address serious vulnerabilities, allowing for comprehensive detection and reporting on various security flaws. Featuring a state-of-the-art crawler that adeptly handles HTML5, JavaScript, and single-page applications, Acunetix facilitates the thorough examination of intricate, authenticated applications, providing a clearer understanding of an organization's risk profile. Its status as a leader in the field is well-deserved, as the technology behind Acunetix is the only one available that can autonomously identify out-of-band vulnerabilities, thus ensuring complete management, prioritization, and oversight of vulnerability threats based on their severity. Additionally, Acunetix is offered in both online and on-premise versions, seamlessly integrating with popular issue trackers and web application firewalls, which allows DevSecOps teams to maintain momentum while developing cutting-edge applications. This unique combination of features not only enhances security but also streamlines the workflow for teams dedicated to keeping their applications secure.

The YAG Suite is a French-made innovative tool that takes SAST to the next level. YAGAAN is a combination of static analysis and machine-learning. It offers customers more than a sourcecode scanner. It also offers a smart suite to support application security audits and security and privacy through DevSecOps design processes. The YAG-Suite supports developers in understanding the vulnerability causes and consequences. It goes beyond traditional vulnerability detection. Its contextual remediation helps them to quickly fix the problem and improve their secure coding skills. YAG-Suite's unique 'code mining' allows for security investigations of unknown applications. It maps all relevant security mechanisms and provides querying capabilities to search out 0-days and other non-automatically detectable risks. PHP, Java and Python are currently supported. Next languages in roadmap are JS, C and C++.

A vulnerability scanner designed specifically for Plesk enhances security by offering dependable configuration advice and automatic remediation for servers utilizing the Plesk control panel. Quick Patch+ evaluates your server settings and enables you to easily identify and rectify vulnerabilities through its user interface; it also supports the automation of daily fixes for all vulnerabilities or exclusively for critical ones. Additionally, it sends notifications via email and dashboard alerts for vulnerabilities that are automatically resolved, as well as for any newly identified critical issues. If your website or web application faces a security breach, it may lead to unresponsiveness, downtime, or pose risks to users. The repercussions for your business can be severe, yet for a modest monthly fee, you can safeguard your web server with a seamless and automated security solution that requires minimal intervention. This proactive approach not only ensures the integrity of your website but also fosters customer trust and confidence.

Garak evaluates the potential failures of an LLM in undesirable ways, examining aspects such as hallucination, data leakage, prompt injection, misinformation, toxicity, jailbreaks, and various other vulnerabilities. This free tool is designed with an eagerness for development, continually seeking to enhance its functionalities for better application support. Operating as a command-line utility, Garak is compatible with both Linux and OSX systems; you can easily download it from PyPI and get started right away. The pip version of Garak receives regular updates, ensuring it remains current, while its specific dependencies recommend setting it up within its own Conda environment. To initiate a scan, Garak requires the model to be analyzed and, by default, will conduct all available probes on that model utilizing the suggested vulnerability detectors for each. During the scanning process, users will see a progress bar for every loaded probe, and upon completion, Garak will provide a detailed evaluation of each probe's findings across all detectors. This makes Garak not only a powerful tool for assessment but also a vital resource for researchers and developers aiming to enhance the safety and reliability of LLMs.

Mageni offers a free vulnerability scanning platform and management platform that will help you find, prioritize, remediate, and manage vulnerabilities.

Introducing Scuba, a complimentary vulnerability scanner designed to reveal concealed security threats within enterprise databases. This tool allows users to conduct scans to identify vulnerabilities and misconfigurations, providing insight into potential risks to their databases. Furthermore, it offers actionable recommendations to address any issues detected. Scuba is compatible with various operating systems, including Windows, Mac, and both x32 and x64 versions of Linux, and boasts an extensive library of over 2,300 assessment tests tailored for prominent database systems such as Oracle, Microsoft SQL Server, SAP Sybase, IBM DB2, and MySQL. With Scuba, users can efficiently identify and evaluate security vulnerabilities and configuration deficiencies, including patch levels. Running a Scuba scan is straightforward and can be initiated from any compatible client, with an average scan duration of just 2-3 minutes, depending on the complexity of the database, the number of users and groups, as well as the network connection. Best of all, no prior installation or additional dependencies are necessary to get started.

Arachni is a comprehensive, modular, and high-performance framework built in Ruby, designed to assist penetration testers and system administrators in assessing the security of contemporary web applications. It is available at no cost, with its source code accessible for public examination. This framework is compatible with multiple platforms, including all major operating systems like MS Windows, Mac OS X, and Linux, and it is distributed in portable packages that enable immediate deployment. Its flexibility allows it to accommodate various scenarios, from a straightforward command-line scanning tool to a vast, high-performance grid of scanners, as well as a Ruby library for conducting scripted audits and a multi-user platform for collaborative web scanning. Moreover, its straightforward REST API simplifies integration with other tools and systems. Additionally, the built-in browser environment enables it to handle complex web applications that utilize advanced technologies such as JavaScript, HTML5, DOM manipulation, and AJAX seamlessly. Arachni's extensive capabilities position it as a valuable asset in the cybersecurity toolkit of professionals striving to secure web applications effectively.

WebReaver is a sophisticated and user-friendly automated tool designed for web application security testing, compatible with Mac, Windows, and Linux, making it ideal for both beginners and experienced users. This tool enables you to efficiently evaluate any web application for a wide array of vulnerabilities, ranging from critical issues like SQL Injection and command Injection to less severe concerns, including session management flaws and information leakage. It is important to note that automated testing methods, which often involve scanning and fuzzing by sending potentially harmful data, can pose significant risks to the web applications they assess. Consequently, it is advisable to limit the use of such automated tests to environments that are designated for demonstration, testing, or pre-production to prevent unintended damage. Additionally, WebReaver's versatility allows it to adapt to various testing scenarios, ensuring comprehensive coverage of potential security weaknesses.

DevSecOps operates at full throttle by thoroughly examining container images and implementing compliance based on established policies. In a landscape where rapid and adaptable application development is essential, containers represent the future of software deployment. While the pace of adoption is increasing, it brings along potential risks that need addressing. Anchore provides a solution that enables continuous management, security, and troubleshooting of containers without compromising on speed. This approach ensures that container development and deployment are secure from the very beginning by verifying that the contents align with the standards you establish. The tools offered are designed to be intuitive for developers, visible to production teams, and accessible for security personnel, all tailored to meet the dynamic requirements of containerization. Anchore establishes a reliable benchmark for container security, empowering you to validate and certify your containers, making them both predictable and secure. This allows for confident deployment of containers, safeguarding against potential risks with a comprehensive solution focused on container image security. Ultimately, embracing Anchore means you can innovate quickly while ensuring robust container integrity.

Elevate your web security testing experience with BurpGPT, a Burp Suite extension that seamlessly incorporates OpenAI's advanced models for in-depth vulnerability assessments and traffic analysis. This tool also accommodates local LLMs, including custom-trained versions, thereby prioritizing data privacy and delivering results tailored to your specific requirements. Integrating Burp GPT into your security testing processes is straightforward, thanks to its comprehensive and user-friendly documentation. Crafted by specialists in application security, Burp GPT stands at the forefront of web security innovations. It evolves continuously by incorporating user feedback, ensuring it adapts to the shifting landscape of security testing demands. With Burp GPT, you benefit from a powerful solution designed to enhance both the accuracy and efficiency of application security evaluations. Its advanced language processing features, coupled with an easy-to-navigate interface, make it accessible for both novices and experienced testers. Moreover, BurpGPT enables you to tackle complex technical challenges with confidence and precision. As such, it represents a significant advancement in the toolkit of any security professional.

Regardless of whether your data resides in a cloud setting—be it private, public, or hybrid—or is managed on-premises, Armor is dedicated to ensuring its protection. Our approach focuses on identifying genuine threats and eliminating noise through robust analytics, automated workflows, and a dedicated team of specialists available around the clock. In the event of an attack, our response does not stop at simply issuing alerts; our experts in the Security Operations Center spring into action, providing guidance to your security team on effective response strategies and resolution techniques. We prioritize the use of open-source software and frameworks, as well as cloud-native solutions, which liberates you from traditional vendor lock-in. Our infrastructure as code (IaC) based model for continuous deployment seamlessly fits into your current DevOps pipeline, or we can take over stack management entirely. Our mission is to empower your organization by making security and compliance not only accessible but also clear and straightforward to implement and sustain over time. By doing so, we enhance your overall operational resilience in an increasingly complex digital landscape.

Introducing a robust yet nimble security solution that delivers comprehensive visibility, proactive management, and effective threat detection and response tailored for your Linux systems, whether in the cloud or a data center. Your cloud environment is a complex multi-user setting, and safeguarding it with security measures designed for endpoints is inadequate. Move beyond basic logging and analytic tools that lack essential context and operational workflows needed for genuine infrastructure protection. Cmd’s detection and response platform is specifically designed to meet the demands of modern, agile security teams. Monitor system activities in real-time or explore historical data using advanced filters and alerts. Utilize our eBPF sensors, contextual data architecture, and user-friendly workflows to gain clarity on user interactions, active processes, and access to critical resources, all without needing advanced Linux knowledge. Establish protective measures and controls surrounding sensitive actions to enhance traditional access management practices while ensuring security is part of your infrastructure's fabric. This approach not only strengthens your defenses but also empowers your team to respond swiftly to potential threats.

Zenmap serves as the official graphical user interface for the Nmap Security Scanner. This free and open-source application is compatible with multiple platforms, including Linux, Windows, Mac OS X, and BSD, and is designed to simplify Nmap for novices while still offering comprehensive features for seasoned users. Users can save frequently used scans as profiles, facilitating easy execution of those scans in the future. Additionally, a command creator is available for the interactive construction of Nmap command lines. The application allows users to save scan outcomes for later viewing, and it also enables the comparison of saved results to highlight differences. Recent scan results are conveniently stored in a database that can be searched. Zenmap can typically be downloaded alongside Nmap from the official Nmap download page. While Zenmap is user-friendly, further information on its features and usage can be found in the Zenmap User's Guide or the Zenmap man page for quick reference. The combination of its intuitive interface and robust functionalities makes Zenmap a valuable tool for network security assessments.

The OpenSCAP ecosystem offers a variety of tools designed to aid administrators and auditors in evaluating, measuring, and enforcing security baselines. This ecosystem promotes significant flexibility and interoperability, which helps lower the costs associated with conducting security audits. With an array of hardening guides and configuration baselines created by the open-source community, the OpenSCAP project allows users to select a security policy that aligns perfectly with their organization's specific requirements, irrespective of its scale. The Security Content Automation Protocol (SCAP) is a U.S. standard that is upheld by the National Institute of Standards and Technology (NIST). The OpenSCAP initiative encompasses a suite of open-source tools aimed at the implementation and enforcement of this standard, having achieved SCAP 1.2 certification from NIST in 2014. As the landscape of computer security evolves daily, with new vulnerabilities emerging and being resolved, it is essential to view the enforcement of security compliance as an ongoing endeavor. This proactive approach ensures that organizations remain resilient against potential threats and can effectively manage their security posture over time.

Vega is a powerful tool designed to assist in identifying and validating various security vulnerabilities, including SQL Injection, cross-site scripting, and the accidental exposure of sensitive data. This application, developed in Java, features a graphical user interface and is compatible with Linux, OS X, and Windows platforms. With Vega, you can detect a range of vulnerabilities like reflected and stored cross-site scripting, blind SQL injection, remote file inclusion, and shell injection, among others. Additionally, it assesses TLS/SSL security configurations and suggests enhancements for your TLS servers' security. The tool boasts an automated scanner for efficient testing and an intercepting proxy for in-depth analysis. Vega’s scanning capabilities are adept at uncovering SQL injection vulnerabilities and more. It also incorporates a website crawler to enhance its automated scanning process, and it has the ability to log into websites automatically when provided with user credentials. Overall, Vega is an invaluable resource for enhancing your web application's security posture.

Firejail is a SUID application designed to enhance security by isolating untrusted programs through the use of Linux namespaces and seccomp-bpf. This tool enables a process and its child processes to maintain a distinct view of shared kernel resources, including the network stack, process table, and mount table. Developed in C with minimal dependencies, Firejail is compatible with any Linux system that operates on version 3.x of the kernel or later. Its sandboxing solution is efficient, resulting in minimal overhead. Users benefit from its simplicity, as there are no intricate configuration files to manage, no open socket connections, and no background daemons to contend with. All security mechanisms are built directly into the Linux kernel, making them accessible on any Linux machine. This combination of features makes Firejail an appealing choice for those looking to bolster their system's defenses against potential threats.