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

With co-managed threat detection and response, deployment can occur in any location. ConnectWise SIEM, which was previously known as Perch, is a co-managed platform for threat detection and response, backed by a dedicated Security Operations Center. This solution is crafted to be both flexible and scalable, catering to businesses of all sizes while allowing customization to meet individual requirements. By utilizing cloud-based SIEM solutions, the time needed for deployment is significantly shortened from several months to just minutes. Our Security Operations Center actively monitors ConnectWise SIEM, providing users with access to essential logs. Additionally, threat analysts are available to assist you immediately upon the installation of your sensor, ensuring prompt support and response. This level of accessibility and expert guidance enhances your security posture right from the start.

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!

PhoenixNAP, a prominent global provider of Infrastructure as a Service (IaaS), assists organizations across various scales in fulfilling their IT demands for performance, security, and scalability. With services accessible from key edge locations across the U.S., Europe, Asia-Pacific, and Latin America, phoenixNAP ensures that businesses can effectively expand into their desired regions. Their offerings include colocation, Hardware as a Service (HaaS), private and hybrid cloud solutions, backup services, disaster recovery, and security, all presented on an operating expense-friendly basis that enhances flexibility and minimizes costs. Built on cutting-edge technologies, their solutions offer robust redundancy, enhanced security, and superior connectivity. Organizations from diverse sectors and sizes can tap into phoenixNAP's infrastructure to adapt to their changing IT needs at any point in their growth journey, ensuring they remain competitive in the ever-evolving digital landscape. Additionally, the company’s commitment to innovation ensures that clients benefit from the latest advancements in technology.

ADAudit Plus offers comprehensive insights into all activities within your Windows Server environment, ensuring both safety and compliance. This tool provides an organized perspective on modifications made to your Active Directory (AD) resources, encompassing AD objects, their attributes, group policies, and much more. By implementing AD auditing, you can identify and address insider threats, misuse of privileges, or other potential security breaches. It grants a thorough overview of all elements in AD, including users, computers, groups, organizational units, and group policy objects. You can monitor user management actions such as deletions, password resets, and changes in permissions, along with information detailing who performed these actions, what was done, when it happened, and where. To maintain a principle of least privilege, it's essential to track additions and removals from both security and distribution groups, enabling better oversight of user access rights. This ongoing vigilance not only helps in compliance but also fortifies the overall security posture of your server environment.

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.

SafeDNS is dedicated to fostering a more secure and protected internet space for small to medium-sized businesses, large corporations, internet service providers, managed service providers, original equipment manufacturers, and educational institutions. Our reach spans across the globe, enhancing online safety for millions of individuals across more than 60 nations. With extensive expertise in cybersecurity and DNS filtering, we provide state-of-the-art solutions that ensure your online safety. Our advanced technologies are designed to shield you from threats such as malware, phishing scams, and unsuitable content, among other risks. Currently, SafeDNS supports over 4,000 organizations and individual users worldwide, demonstrating our commitment to a safer digital landscape for all. As we continue to innovate, our goal is to expand our services and enhance protection for even more users in the future.

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.

Runecast is a comprehensive IT solution designed for enterprises that helps Security and Operations teams optimize their time and resources by facilitating a forward-thinking strategy for IT operations management, cloud security posture management, and compliance. With this all-in-one platform, your team can enhance their efficiency and effectiveness while managing all aspects of your cloud infrastructure, resulting in greater visibility, improved security measures, and significant time savings. Security personnel experience streamlined vulnerability management and adherence to various compliance standards, covering a wide range of technologies. Meanwhile, Operations teams can minimize their operational costs and gain better clarity, empowering them to adopt a proactive stance and focus on the essential tasks that truly matter to your organization. This holistic approach not only supports team productivity but also strengthens your overall IT ecosystem.

Datadog serves as a comprehensive monitoring, security, and analytics platform tailored for developers, IT operations, security professionals, and business stakeholders in the cloud era. Our Software as a Service (SaaS) solution merges infrastructure monitoring, application performance tracking, and log management to deliver a cohesive and immediate view of our clients' entire technology environments. Organizations across various sectors and sizes leverage Datadog to facilitate digital transformation, streamline cloud migration, enhance collaboration among development, operations, and security teams, and expedite application deployment. Additionally, the platform significantly reduces problem resolution times, secures both applications and infrastructure, and provides insights into user behavior to effectively monitor essential business metrics. Ultimately, Datadog empowers businesses to thrive in an increasingly digital landscape.

CloudMounter serves as a vital application for users with limited storage on their SSD drives. It allows you to mount various cloud services as if they were local disks, eliminating the necessity to download files stored online. Additionally, it provides the option to encrypt sensitive cloud files for enhanced security. Users can conveniently handle their OneDrive, Google Drive, and Dropbox accounts directly within Finder at no cost. This functionality significantly streamlines file management while preserving valuable disk space.

Finding data to illustrate the indifference some have towards malware can be quite challenging. While individuals might not know the specifics, there is a general consensus on the significant danger it poses. FlashStart effectively mitigates risks from botnets, ransomware, malware, and various other threats through premium, global protection channels. Users can also implement content filtering to restrict access to any web material deemed inappropriate. Such sites can pose risks that are either dangerous, distracting, or unwholesome. The Pro+ version comes with a secure app that can be downloaded easily. Centralized FlashStart protection safeguards all devices whether at home, in a cafe, or elsewhere, without requiring a router. The system is designed to tailor the filter to suit personal preferences. Rather than being a bulky appliance, it operates as a lightweight application compatible with existing end-user IT systems. This setup ensures a swift performance with latency under 5ms, enhancing user experience. Ultimately, the goal is to provide a seamless and secure browsing experience for everyone.

Rublon provides a secure means for your employees to access your organization's servers, networks, and applications. By implementing multi-factor authentication, it simplifies the process of safeguarding your information and adhering to data protection laws like GDPR. Moreover, Rublon can be integrated throughout your organization, facilitating multi-factor authentication (MFA) for a wide range of platforms, including cloud applications, VPNs, servers, workstations, and both on-premise and internal applications. This comprehensive deployment ensures enhanced security across all facets of your digital infrastructure.

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.

Enhance the security of your APIs by conducting thorough analyses and safeguarding them through passive, inline, or API-driven integration with various network elements, including API gateways, proxies, or CDNs. Utilizing predefined policies that have been meticulously adjusted according to prevalent threat patterns, which have effectively safeguarded billions of API transactions daily, ensures unparalleled defense. A robust API-centric architecture paired with a comprehensive user interface facilitates seamless integration with threat intelligence feeds and additional security measures. Moreover, a patented machine learning-based analysis method mitigates the drawbacks of JavaScript integration, such as slow page loading times, prolonged development cycles, and the necessity for mobile app updates. This ML-driven approach creates a distinctive Behavioral Footprint that helps in recognizing harmful intentions while consistently monitoring attackers as they adapt their strategies, reinforcing the overall security framework. With these advanced technologies at your disposal, organizations can significantly bolster their API security posture against evolving threats.

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.

In today's business landscape, technology plays a vital role, and its reliability is paramount for success. The current era of "work from anywhere" necessitates stringent management and oversight of digital identities to safeguard both your company and the data it utilizes. SailPoint Identity security stands out as a solution that enables businesses to mitigate cyber risks associated with the growing access to cloud-based technologies. This approach guarantees that employees receive precisely the access they require for their roles, neither more nor less. By harnessing unparalleled visibility and intelligence, organizations can streamline and enhance the management of user identities and permissions. With AI-powered insights, you can govern, manage, and automate access in real time, ensuring a responsive and secure operational framework. This strategic capability allows businesses to thrive in a cloud-dependent, threat-laden environment while maintaining efficiency, safety, and scalability. As such, investing in identity security is not merely advisable; it is essential for sustainable growth and resilience in an increasingly digital world.

Silverfort's Unified Identity Protection Platform pioneered the integration of security measures throughout corporate networks to mitigate identity-related threats. By effortlessly connecting with various existing Identity and Access Management (IAM) solutions such as Active Directory, RADIUS, Azure AD, Okta, Ping, and AWS IAM, Silverfort safeguards assets that were previously vulnerable. This encompasses not only legacy applications but also IT infrastructure, file systems, command-line tools, and machine-to-machine interactions. Our platform is designed to continuously oversee user and service account access across both cloud and on-premises settings. It evaluates risk dynamically and implements adaptive authentication measures to enhance security. With its comprehensive approach, Silverfort ensures a robust defense against evolving identity threats.

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.

Fortinet emerges as a key global player in the cybersecurity sector, notable for its comprehensive and integrated approach to safeguarding digital infrastructures, devices, and applications. Founded in 2000, the organization provides a wide range of products and services, including firewalls, endpoint protection, intrusion prevention systems, and secure access solutions. A cornerstone of its offerings is the Fortinet Security Fabric, a unified platform that seamlessly combines various security tools to enhance visibility, automation, and provide real-time threat intelligence across the entire network. Renowned for its dependability among businesses, government agencies, and service providers worldwide, Fortinet prioritizes innovation, scalability, and performance, thereby reinforcing its defenses against the constantly shifting landscape of cyber threats. In addition to its protective capabilities, Fortinet’s dedication to enabling digital transformation and ensuring business continuity highlights its essential role within the cybersecurity landscape, positioning itself as a trusted partner for organizations striving to navigate modern security challenges effectively. With a focus on proactive measures and cutting-edge solutions, Fortinet continues to adapt and evolve to meet the demands of an increasingly complex digital world.

Cribl Stream enables the creation of an observability pipeline that facilitates the parsing and reformatting of data in real-time before incurring costs for analysis. This tool ensures that you receive the necessary data in your desired format and at the appropriate destination. It allows for the translation and structuring of data according to any required tooling schema, efficiently routing it to the suitable tools for various tasks or all necessary tools. Different teams can opt for distinct analytics platforms without needing to install additional forwarders or agents. A staggering 50% of log and metric data can go unutilized, encompassing issues like duplicate entries, null fields, and fields that lack analytical significance. With Cribl Stream, you can eliminate superfluous data streams, focusing solely on the information you need for analysis. Furthermore, it serves as an optimal solution for integrating diverse data formats into the trusted tools utilized for IT and Security purposes. The universal receiver feature of Cribl Stream allows for data collection from any machine source and facilitates scheduled batch collections from REST APIs, including Kinesis Firehose, Raw HTTP, and Microsoft Office 365 APIs, streamlining the data management process. Ultimately, this functionality empowers organizations to enhance their data analytics capabilities significantly.

BitNinja offers comprehensive Linux server security tailored for both large hosting providers and small enterprises, encapsulated in the motto of three E's: effective, effortless, and enjoyable. The effectiveness stems from our distinctive Defense Network, leveraging the collective strength of the Ninja Community; servers protected by BitNinja globally exchange attack data, creating a more robust and adaptive defense system against cyber threats. Installation is effortless, allowing users to set up their server protection swiftly, ensuring that security measures are operational in no time at all. Moreover, the experience becomes enjoyable as users can relish the advantages of BitNinja, such as enhanced server performance resulting from a notable reduction in system load. By joining our Defense Network at no cost today, you can start benefiting from superior protection while becoming part of a larger community dedicated to cybersecurity.

Enginsight is a robust cybersecurity platform developed in Germany, designed to integrate threat detection with protective strategies effectively. Featuring automated security audits, penetration testing, IDS/IPS, micro-segmentation, vulnerability assessments, and risk analysis, this solution empowers businesses of all sizes to implement and oversee effective security measures through an intuitive dashboard. It enables the automatic assessment of your systems, allowing you to quickly evaluate the security status of your IT assets. Completely built with a security-first approach, Enginsight functions without reliance on external tools. It continuously scans your IT environment to identify devices, creating a real-time overview of your IT infrastructure. With its automatic detection capabilities and an exhaustive inventory of IP network devices, which includes detailed categorization, Enginsight acts as a comprehensive surveillance and security barrier for your Windows and Linux servers, as well as endpoint devices like PCs. Embark on your 15-day free trial today and take a step towards enhancing your organization's cybersecurity.

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.

Ping Identity delivers a global identity security solution through its advanced identity platform. With a wide array of features including single sign-on (SSO), multifactor authentication (MFA), directory services, and more, it supports enterprises in achieving a delicate balance between security measures and user experience for various identity types, such as workforce, customer, and partner. The platform accommodates different cloud deployment models, such as identity-as-a-service (IDaaS) and containerized software, making it suitable for diverse organizational needs. Ping's solutions are tailored for both developers and IT teams, facilitating seamless digital collaboration via straightforward integrations with widely used tools. These integrations empower employees to work efficiently from any location while utilizing these tools effectively. Furthermore, the platform ensures rapid deployment and interoperability across the entire identity ecosystem. Users can opt for a straightforward SSO solution or implement a more sophisticated, risk-based adaptive authentication system. Additionally, the PingOne package is designed to provide cost efficiency by allowing businesses to pay only for the features they require, all while offering scalability for future growth. This flexibility makes Ping Identity an appealing choice for organizations looking to enhance their identity security framework.