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

Bolster Your IT Security with New Relic: Protect your organization with cutting-edge threat detection and robust defenses. Boost your IT security framework using New Relic’s powerful observability platform, tailored to provide software engineers with in-depth visibility and control over your security environment. Our solution features real-time monitoring and sophisticated threat identification, allowing you to proactively uncover and mitigate vulnerabilities before they disrupt your operations. Effortlessly merge security insights with your overall IT processes to maintain compliance, reduce risks, and safeguard essential assets. Strengthen your incident response, simplify security management, and ensure your security approach aligns with your organization’s goals. With New Relic, empower your enterprise to withstand dynamic threats and foster a culture of proactive security and resilience.

1Password stands out as a reliable password manager that emphasizes security, scalability, and user-friendliness, earning the trust of numerous prestigious organizations worldwide. With its intuitive interface, 1Password facilitates the protection of employees online, helping cultivate strong security practices that become instinctive as they integrate the tool into their daily routines. Now featuring Advanced Protection options within 1Password Business, users can implement Master Password policies, enforce two-factor authentication for the entire team, impose firewall access restrictions, review login attempts, and ensure everyone is using the latest version of 1Password. Our award-winning applications are available for a variety of platforms including Mac, iOS, Linux, Windows, and Android, ensuring comprehensive accessibility. The seamless synchronization across devices guarantees that employees can retrieve their passwords whenever needed, enhancing both security and productivity. By adopting 1Password, organizations can significantly lower their risk while fostering a more efficient work environment.

Empower Your Existing Team to Attain Enterprise-Level IT Security Introducing a comprehensive IT Security platform featuring SIEM, endpoint monitoring, round-the-clock surveillance, and automated incident response designed to simplify processes, enhance visibility, and accelerate response times. We take care of the demanding security tasks, allowing you to reclaim valuable time in your daily operations. With ready-to-use detection capabilities, curated alerts, and detailed response protocols, your team can unlock significant IT security benefits with Blumira. Rapid Implementation, Instant Outcomes: Seamlessly integrates with your existing technology infrastructure and can be fully operational within hours, with no initial setup delays. Unlimited Data Ingestion: Enjoy consistent pricing and unrestricted data logging for comprehensive lifecycle detection. Simplified Compliance: Includes one year of data retention, ready-made reports, and continuous automated monitoring. Exceptional Support with 99.7% Customer Satisfaction: Access to Solution Architects for product guidance, an Incident Detection and Response Team for developing new detection methods, and 24/7 Security Operations support.

IT administrators and managers appreciate Access Server because OpenVPN simplifies network security and facilitates secure remote access, catering to both seasoned IT professionals and newcomers alike. If you have a background in Linux, Access Server is tailored for you. It offers a straightforward deployment process and is an economical solution for enhancing your network security within a self-hosted framework.

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.

SKUDONET offers IT executives an affordable solution that emphasizes ease of use and adaptability, ensuring optimal performance and security for IT services. With this innovative platform, you can seamlessly improve the security and reliability of your applications through an open-source ADC, allowing for significant cost savings and unparalleled flexibility within your IT framework. This approach not only streamlines operations but also empowers organizations to respond swiftly to changing technology needs.

DriveStrike offers an intuitive solution that is easy to use, implement, and manage. With DriveStrike, users can execute commands for remote wipe, remote lock, or remote location across various platforms. It serves as a mobile device management (MDM) tool tailored for mobile ecosystems while also supporting integrated drive encryption. Our dedicated support team is ready to assist with any inquiries, guide you through the installation process, or help manage your account effectively. Protecting your data and devices has never been simpler than with our services. We are eager to clarify any doubts you may have and provide insights on the best ways to safeguard your information. Secure your business with a comprehensive platform designed to protect devices and data with one unified solution. All of your devices—including workstations, iPads, smartphones, tablets, and laptops—will be organized, secure, and well-protected under our management. This holistic approach ensures that your entire digital environment remains safe from potential threats.

To effectively combat ransomware, IT professionals must implement strategies that go beyond merely monitoring for threats. ThreatLocker offers a solution by minimizing attack surfaces through policy-driven endpoint security, shifting the focus from just blocking recognized threats to preventing anything that isn’t expressly permitted. By incorporating features like Ringfencing and other robust controls, organizations can bolster their Zero Trust framework and effectively thwart attacks that exploit existing resources. Explore the comprehensive suite of ThreatLocker’s Zero Trust endpoint security solutions, which includes Allowlisting, Ringfencing, Elevation Control, Storage Control, Network Access Control, Unified Audit, ThreatLocker Ops, Community, Configuration Manager, and Health Center, to enhance your cybersecurity posture today. This proactive approach not only safeguards your network but also empowers your team to maintain greater control over security protocols.

The CLEAR™ Cryptosystem is an encryption software development kit (SDK) validated by FIPS-140-3, specifically created to safeguard files, streaming media, databases, and network communications through innovative and programmable encryption technology. It seamlessly integrates with all contemporary computing systems, offering an effective and straightforward solution for embedding advanced encryption into current security infrastructures. With its Post-Quantum Cryptography (PQC) capabilities, CLEAR™ ensures robust defense against future cybersecurity challenges, allowing you to secure your data with the most powerful encryption techniques available. This system not only enhances data protection but also allows for swift access and communication across various platforms. Key Features: • PQC Encryption Strength (512bit - 10,240bit) • Ultra Low-Latency Streaming (< 11µs / Packet) • Hyperkey™ Technology with embedded ACL • Multi-Factor / Bio-Metric Symmetric Keys • Plug-N-Play Entropy - CSRNG, QRNG, HRNG Benefits: • Pass cybersecurity audits with best-in-class tools • Share data securely via Sharepoint, Dropbox, and similar services • Protect legacy hardware and older network systems • Extend security to files stored in third-party platforms • Ensure lasting protection for long-term data archival needs, making it a comprehensive choice for organizations looking to the future.

NinjaOne streamlines the most challenging aspects of IT management, serving over 20,000 IT teams with enhanced capabilities. By delivering in-depth insights into endpoints, strong security protocols, and a unified control system, NinjaOne increases operational efficiency, protects sensitive information, and reduces IT costs. This all-encompassing platform provides a diverse set of tools for managing and securing endpoints, such as patch management, mobile device supervision, software deployment, remote assistance, backup solutions, and additional features, all made possible through its wide-ranging IT and security integrations. With its ability to adapt to various IT environments and needs, NinjaOne stands out as a vital resource for modern IT teams.

ManageEngine's Endpoint Central, which was previously known as Desktop Central, serves as a comprehensive Unified Endpoint Management Solution that oversees enterprise mobility management. This solution encompasses all aspects of mobile app and device management, in addition to client management for various endpoints, including mobile devices, laptops, tablets, servers, and other computing machines. With ManageEngine Endpoint Central, users can streamline and automate numerous desktop management activities, such as software installation, patching, IT asset management, imaging, and operating system deployment, thereby enhancing operational efficiency across the organization. This tool is particularly beneficial for IT departments looking to maintain control over their diverse technology environments.

GoAnywhere MFT provides businesses with a reliable solution for secure file transfers. This software can be utilized in various environments, including on-premise, cloud, or hybrid setups. It enables organizations to safely share data among employees, clients, trading partners, and different systems. Additionally, GoAnywhere MFT has been recognized with the Cybersecurity Excellence Award for its excellence in secure file transfer capabilities, highlighting its effectiveness in the industry. This recognition underscores the software's commitment to maintaining high security standards in data exchange.

SpamTitan's email security solution safeguards businesses, educational institutions, small to medium-sized enterprises (SMBs), and managed service providers (MSPs) from various email threats including spam. It effectively defends against phishing attempts, zero-day vulnerabilities, viruses, malware, ransomware, and other malicious email activities, ensuring a secure mail flow and filtering out unwanted messages. Our user-friendly yet robust email protection is compatible with Office365, making it accessible for a wide range of users. You can try SpamTitan Email Security risk-free with a fully supported trial. SpamTitan – Comprehensive features included: * Protection against CEO impersonation * Safeguarding against spear phishing attacks * Analysis of links within emails * Complete email sanitization * Defense against zero-day attacks * Mail spooling capabilities * Anti-spoofing measures * Protection against ransomware and malware * Checking for SPF, DKIM, and DMARC compliance * Encryption options available * Fully multi-tenant architecture * Customizable user interface for branding * Complete REST API access * Detailed setup documentation and support Recognized as a top solution in the G2 Crowd Email Security category, SpamTitan Email Security stands out for its premium functionalities and reliability. Begin your free trial today and enhance your email security!

Explore the reasons why Managed Service Providers, IT experts, and System Integrators rely on our Network Monitoring and Management Solution to oversee countless networks across the globe. Experience the benefits for yourself by trying it for free today!

UTunnel Secure Access offers solutions including Cloud VPN, ZTNA, and Mesh Networking to facilitate secure remote connections and reliable network performance. ACCESS GATEWAY: Our Cloud VPN as a Service allows for the rapid deployment of VPN servers on either Cloud or On-Premise setups. By employing OpenVPN and IPSec protocols, it ensures secure remote connections complemented by policy-driven access controls, enabling businesses to establish a robust VPN network effortlessly. ONE-CLICK ACCESS: The Zero Trust Application Access (ZTAA) feature revolutionizes secure interaction with internal business applications such as HTTP, HTTPS, SSH, and RDP. Users can conveniently access these services via their web browsers without the necessity of any client-side applications. MESHCONNECT: This solution, combining Zero Trust Network Access (ZTNA) and mesh networking, offers detailed access controls tailored to specific business network resources and fosters the formation of secure, interconnected business networks for enhanced collaboration. SITE-TO-SITE VPN: Additionally, the Access Gateway allows for the establishment of secure IPSec Site-to-Site tunnels, which facilitate connections between UTunnel's VPN servers and other network infrastructure components like gateways, firewalls, routers, and unified threat management (UTM) systems, thereby enhancing overall network security. By integrating these features, UTunnel Secure Access is committed to providing comprehensive solutions that meet the evolving needs of modern businesses.

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.

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.

TuxCare aims to combat cyber exploitation on a global scale. With its automated live security patching solutions and long-term support services for Linux and open source software, TuxCare enables numerous organizations to swiftly address vulnerabilities, thereby enhancing their security measures. This innovative approach has made TuxCare a trusted partner for over one million significant entities, including enterprises, government bodies, service providers, educational institutions, and research organizations around the world. By providing these essential services, TuxCare plays a critical role in securing the digital landscape for diverse sectors.

Enhancing Security Measures in Your DevOps Workflow Streamline the process of identifying and addressing vulnerabilities within your code through automation. Kiuwan Code Security adheres to the most rigorous security protocols, such as OWASP and CWE, and seamlessly integrates with leading DevOps tools while supporting a variety of programming languages. Both static application security testing and source code analysis are viable and cost-effective solutions suitable for teams of any size. Kiuwan delivers a comprehensive suite of essential features that can be incorporated into your existing development environment. Rapidly uncover vulnerabilities with a straightforward setup that enables you to scan your system and receive insights in just minutes. Adopting a DevOps-centric approach to code security, you can incorporate Kiuwan into your CI/CD/DevOps pipeline to automate your security measures effectively. Offering a variety of flexible licensing options, Kiuwan caters to diverse needs, including one-time scans and ongoing monitoring, along with On-Premise or SaaS deployment models, ensuring that every team can find a solution that fits their requirements perfectly.

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.

KACE serves as an all-in-one endpoint management solution that provides centralized control over IT systems throughout the organization. It is designed to streamline the entire process from the initial setup to continuous upkeep, effectively addressing all endpoint security and deployment requirements. By utilizing a unified inventory database, KACE enables businesses to swiftly deploy, oversee, and manage their devices, which significantly enhances device security through immediate hardware and software identification, patch management, compliance tracking, and real-time monitoring of mobile endpoints. Furthermore, KACE simplifies the complexities of maintaining device security and compliance, allowing organizations to focus on their core activities without worrying about endpoint vulnerabilities.

Through collaboration, we can robustly address cyber threats at every point within an organization, regardless of where the threats arise. Cybereason provides unmatched visibility and accurate detection of both known and unknown dangers, enabling security teams to leverage true preventive measures. The platform delivers extensive context and insights from the entire network, allowing defenders to evolve into proficient threat hunters capable of uncovering hidden attacks. With just a single click, Cybereason significantly reduces the time required for defenders to investigate and remedy incidents, utilizing both automation and guided assistance. By analyzing an impressive 80 million events every second, Cybereason functions at a scale that is 100 times larger than many of its competitors, which leads to a remarkable decrease in investigation duration by up to 93%. This swift capability empowers defenders to tackle new threats in just minutes rather than days, transforming how organizations respond to cyber challenges. Ultimately, Cybereason sets a new benchmark for threat detection and response, fostering a more secure digital environment for everyone involved. Moreover, this innovative approach not only enhances the efficiency of security operations but also promotes a proactive stance in the ever-evolving landscape of cyber threats.

SaltStack serves as an advanced IT automation platform capable of managing, securing, and enhancing infrastructure across various environments, whether on-premises, in the cloud, or at the edge. It operates on an event-driven automation engine that intelligently identifies and reacts to system changes, which proves invaluable in handling intricate settings. This robust framework is especially useful in addressing the complexities of modern IT landscapes. The latest addition to SaltStack's offerings is its SecOps suite, designed to identify security vulnerabilities and misconfigurations within systems. With this advanced automation, issues can be promptly detected and rectified, ensuring that your infrastructure remains secure, compliant, and continuously updated. Within the SecOps suite, the components Comply and Protect play crucial roles. Comply is responsible for checking compliance against standards such as CIS, DISA, STIG, NIST, and PCI. Additionally, it assesses operating systems for vulnerabilities and facilitates the updating of patches to bolster security measures effectively. This comprehensive approach not only enhances security but also simplifies the management of compliance requirements.

REVE Antivirus stands as a comprehensive cyber security solution designed for both individual users and businesses. This product line features a variety of offerings, including REVE Antivirus, REVE Internet Security, REVE Total Security, REVE Windows Server Security, REVE Antivirus for Mac, REVE Antivirus for Linux, and REVE Endpoint Security. Additionally, it has received certifications from OPSWAT and VB 100, further establishing its credibility in the market. Moreover, it holds the distinction of being recognized as approved antivirus software by Microsoft, highlighting its reliability and effectiveness in protecting systems from threats.

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.