List of the Top 14 Free Container Security Software in 2025

Aikido is a software security platform designed with developers in mind. It allows you to secure and inspect your containers and virtual machines, highlighting the vulnerabilities that require urgent attention. Safeguard your applications against the risks posed by outdated runtimes that may be susceptible to threats. Aikido integrates various scanning functions, including Container Scanning, Static Application Security Testing (SAST), Infrastructure as Code (IaC) scanning, Dynamic Application Security Testing (DAST), Software Composition Analysis (SCA), Cloud Security Posture Management (CSPM), and Secrets Detection, all consolidated within a single platform.

Kasm Workspaces enables you to access your work environment seamlessly through your web browser, regardless of the device or location you are in. This innovative platform is transforming the delivery of digital workspaces for organizations by utilizing open-source, web-native container streaming technology, which allows for a contemporary approach to Desktop as a Service, application streaming, and secure browser isolation. Beyond just a service, Kasm functions as a versatile platform equipped with a powerful API that can be tailored to suit your specific requirements, accommodating any scale of operation. Workspaces can be implemented wherever necessary, whether on-premise—including in Air-Gapped Networks—within cloud environments (both public and private), or through a hybrid approach that combines elements of both. Additionally, Kasm's flexibility ensures that it can adapt to the evolving needs of modern businesses.

Checkmk serves as a robust IT monitoring solution that empowers system administrators, IT managers, and DevOps teams to swiftly detect and address problems within their entire IT ecosystem, encompassing servers, applications, networks, storage, databases, and containers. Over 2,000 commercial clients globally, along with a multitude of open-source users, rely on Checkmk for their daily monitoring needs. Some of the key features of the product include service state monitoring with nearly 2,000 pre-configured checks, event and log monitoring, comprehensive metric tracking with dynamic graphing and long-term storage capabilities, as well as in-depth reporting that covers accessibility and service level agreements (SLAs). Additionally, Checkmk offers flexible notification options accompanied by automated alert management, monitoring for complex systems and business processes, a thorough inventory of both software and hardware, and a graphical, rule-based configuration that facilitates automated service discovery. The primary applications of Checkmk encompass various monitoring activities, including server, network, application, database, storage, cloud, and container monitoring. This versatility makes it an essential tool for organizations seeking to enhance their IT infrastructure's reliability and performance. By utilizing Checkmk, teams can ensure that their systems are always running optimally and can respond proactively to potential issues before they escalate.

Fidelis Halo is a cloud security platform that leverages SaaS to streamline the automation of security controls in cloud computing. It ensures compliance across various environments such as containers, servers, and IaaS, whether in public, private, or hybrid clouds. With its robust automation features, Halo facilitates quicker workflows between InfoSec (DevOps) teams and the platform itself, offering more than 20,000 pre-set policies and over 150 templates tailored to standards including PCI, CIS, and HIPAA. Furthermore, the comprehensive Halo API, SDK, and toolkit enhance the automation of security and compliance processes within your DevOps workflow, enabling the identification and remediation of critical vulnerabilities prior to production deployment. Additionally, the free edition of Halo Cloud Secure grants complete access to the Halo Cloud Secure CSPM Service for up to 10 cloud service accounts across a combination of AWS and Azure. Start your journey towards automated cloud security today and experience the peace of mind that comes with comprehensive protection!

You have the option to utilize your preferred debugging software to address issues with your Kubernetes services on a local level. Telepresence, an open-source solution, facilitates the execution of a single service locally while maintaining a connection to a remote Kubernetes cluster. Originally created by Ambassador Labs, known for their open-source development tools like Ambassador and Forge, Telepresence encourages community participation through issue submissions, pull requests, and bug reporting. Engaging in our vibrant Slack community is a great way to ask questions or explore available paid support options. The development of Telepresence is ongoing, and by registering, you can stay informed about updates and announcements. This tool enables you to debug locally without the delays associated with building, pushing, or deploying containers. Additionally, it allows users to leverage their preferred local tools such as debuggers and integrated development environments (IDEs), while also supporting the execution of large-scale applications that may not be feasible to run locally. Furthermore, the ability to connect a local environment to a remote cluster significantly enhances the debugging process and overall development workflow.

Panoptica simplifies the process of securing containers, APIs, and serverless functions while helping you manage your software bills of materials. It conducts thorough analyses of both internal and external APIs, assigns risk assessments, and provides feedback accordingly. The policies you implement dictate which API calls the gateway permits or blocks. As cloud-native architectures empower teams to develop and deploy software with remarkable speed to meet the demands of the contemporary market, this rapid pace introduces potential security vulnerabilities. Panoptica addresses these challenges by offering automated, policy-driven security and visibility throughout the entire software development lifecycle. With the rise of decentralized cloud-native architectures, the number of potential attack vectors has surged, heightening the risk of security incidents. Additionally, the evolving computing landscape has further amplified concerns regarding security breaches. Consequently, having a comprehensive security solution that safeguards every phase of an application's lifecycle, from development to runtime, is not just beneficial but vital for maintaining robust security standards. This holistic approach ensures that organizations can innovate without compromising their security posture.

NeuVector delivers comprehensive security throughout the entire CI/CD process, ensuring robust vulnerability management and attack prevention in production environments through its innovative container firewall technology. With PCI-ready container security capabilities, NeuVector allows you to efficiently meet compliance requirements with reduced effort and time. It safeguards intellectual property and sensitive data across both public and private cloud infrastructures, continuously scanning containers throughout their lifecycle to identify potential vulnerabilities. By eliminating security obstacles and embedding security policies from the outset, organizations can effectively manage their risk profiles. This patented container firewall offers immediate protection against both known and unknown threats, making NeuVector indispensable for meeting PCI and other regulatory standards. Additionally, it establishes a virtual firewall that secures personal and confidential information within your network. As a Kubernetes-native container security platform, NeuVector ensures complete protection for containerized applications, making it a vital asset for organizations prioritizing security.

Kubernetes serves as an open-source framework that equips developers and DevOps professionals with comprehensive security solutions. This platform encompasses various features, including compliance with security standards, risk assessment, and an RBAC visualizer, while also identifying vulnerabilities within container images. Specifically, Kubescape is designed to examine K8s clusters, Kubernetes manifest files (including YAML files and HELM charts), code repositories, container registries, and images, pinpointing misconfigurations based on several frameworks such as NSA-CISA and MITRE ATT&CK®. It effectively detects software vulnerabilities and exposes RBAC (role-based access control) issues at initial phases of the CI/CD pipeline, calculating risk scores promptly and illustrating risk trends over time. Recognized as one of the leading tools for Kubernetes security compliance, Kubescape boasts an intuitive interface, accommodates various output formats, and provides automated scanning functions, which have contributed to its rapid growth in popularity among Kubernetes users. Consequently, this tool has proven invaluable in conserving time, effort, and resources for Kubernetes administrators and users alike.

Falco stands out as the premier open-source solution dedicated to maintaining runtime security across a variety of environments, including hosts, containers, Kubernetes, and cloud setups. It empowers users to quickly detect unforeseen activities, changes in configurations, security breaches, and potential data breaches. By leveraging eBPF technology, Falco protects containerized applications on any scale, delivering real-time security irrespective of whether they run on bare metal or virtual infrastructure. Its seamless integration with Kubernetes facilitates the rapid detection of anomalous behaviors within the control plane. Additionally, Falco actively monitors for security breaches in real-time across multiple cloud platforms such as AWS, GCP, Azure, and services like Okta and GitHub. Through its ability to identify threats across containers, Kubernetes, hosts, and cloud services, Falco guarantees a comprehensive security framework. Offering continuous detection of irregular behaviors, configuration changes, and possible attacks, it has established itself as a reliable and widely adopted standard within the industry. As organizations navigate complex environments, they can trust Falco for effective security management, ensuring their applications remain safeguarded against emerging threats. In a constantly evolving digital landscape, having such a robust tool can significantly enhance an organization's overall security posture.

Aptible offers an integrated solution to implement critical security protocols necessary for regulatory compliance and customer audits seamlessly. Through its Aptible Deploy feature, users can easily uphold compliance standards while addressing customer audit requirements. The platform guarantees that databases, network traffic, and certificates are encrypted securely, satisfying all relevant encryption regulations. Automatic data backups occur every 24 hours, with the option for manual backups at any time, and restoring data is simplified to just a few clicks. In addition, it maintains detailed logs for each deployment, changes in configuration, database tunnels, console activities, and user sessions, ensuring thorough documentation. Aptible also provides continuous monitoring of EC2 instances within your infrastructure to detect potential security vulnerabilities like unauthorized SSH access, rootkit infections, file integrity discrepancies, and privilege escalation attempts. Furthermore, the dedicated Aptible Security Team is on standby 24/7 to quickly investigate and resolve any security incidents, keeping your systems protected. This proactive security management allows you to concentrate on your primary business objectives, confident that your security needs are in capable hands. By prioritizing security, Aptible empowers businesses to thrive without the constant worry of compliance risks.

Security and observability specifically designed for Kubernetes ecosystems are crucial for the success of contemporary cloud-native applications. Adopting security and observability as code is vital for protecting various elements, such as hosts, virtual machines, containers, Kubernetes components, workloads, and services, ensuring the safeguarding of both north-south and east-west traffic while upholding enterprise security protocols and maintaining ongoing compliance. Additionally, Kubernetes-native observability as code enables the collection of real-time telemetry enriched with contextual information from Kubernetes, providing a comprehensive overview of interactions among all components, from hosts to services. This capability allows for rapid troubleshooting through the use of machine learning techniques to identify anomalies and performance challenges effectively. By leveraging a unified framework, organizations can seamlessly secure, monitor, and resolve issues across multi-cluster, multi-cloud, and hybrid-cloud environments that utilize both Linux and Windows containers. The capacity to swiftly update and implement security policies in just seconds empowers businesses to enforce compliance and tackle emerging vulnerabilities without delay. Ultimately, this efficient approach is essential for sustaining the integrity, security, and performance of cloud-native infrastructures, allowing organizations to thrive in increasingly complex environments.

Our cloud-native framework delivers instant defense against concealed threats while also protecting your endpoints from known threat signatures. Comodo has introduced an innovative approach to endpoint security that specifically tackles the limitations of traditional security measures. The Dragon platform lays down the crucial foundations for comprehensive next-generation endpoint protection. By utilizing the Dragon Platform’s efficient agent, which harnesses the power of artificial intelligence (AI) and Auto Containment, you can effectively enhance both your cybersecurity and operational productivity. Comodo covers all aspects of cybersecurity required for implementing breach protection, guaranteeing immediate benefits right from the start. The platform distinguishes itself in the market with a 100% accurate verdict reached within 45 seconds for 92% of signatures, while the remaining 8% are handled by human experts under a four-hour service level agreement. Additionally, routine automatic updates of signatures streamline deployment across your entire infrastructure, leading to a significant reduction in operational costs while maintaining strong security protocols. This solution not only boosts protection but also simplifies the entire process, making it easier for your organization to remain secure without added complexity. Consequently, you can focus on your core business objectives while feeling confident in the robustness of your cybersecurity measures.

The leading platform for Kubernetes allows for its deployment in production environments. This platform ensures persistent storage, data security, backup management, capacity oversight, and disaster recovery solutions. It facilitates the seamless backup, restoration, and migration of Kubernetes applications across various cloud environments or data centers. With Portworx Enterprise Storage Platform, users gain comprehensive storage, data management, and security for their Kubernetes initiatives. This solution accommodates container-based services such as CaaS and DBaaS, along with SaaS and disaster recovery functionalities. Applications benefit from container-specific storage options, robust disaster recovery capabilities, and enhanced data protection. Additionally, the platform supports multi-cloud migrations, making it easier to address enterprise-level demands for Kubernetes data services. Users can enjoy cloud-like DBaaS accessibility without relinquishing control over their data. By simplifying operational complexities, it scales the backend data services that underpin your SaaS applications. Disaster recovery can be integrated into any Kubernetes application with a single command, ensuring that all Kubernetes applications are readily backed up and restorable whenever necessary. This efficiency empowers organizations to maintain control while leveraging the advantages of cloud technologies.

CrowdSec is a collaborative and open-source intrusion prevention system that not only analyzes behavioral patterns but also effectively responds to attacks while sharing valuable intelligence within its community. With a larger presence than cybercriminals, it empowers users to develop personalized intrusion detection systems by employing behavioral scenarios to detect potential threats. Users can take advantage of a crowdsourced and curated cyber threat intelligence platform to enhance their security measures. Additionally, you can specify the types of remediation actions you want to implement and utilize the community's IP blocklist to automate your protective strategies. CrowdSec is versatile and can be deployed on various platforms, including containers, virtual machines, bare metal servers, or even directly through our API. By working together, our cybersecurity community is actively dismantling the anonymity of cybercriminals, which is a significant advantage we hold. Contributing to this effort is easy, as you can share IP addresses that have caused you trouble to help build and maintain an effective IP blocklist for everyone’s benefit. Notably, CrowdSec's capability to process extensive logs is remarkably efficient, outperforming Fail2ban by a factor of 60, which makes it an indispensable tool in the fight against cyber threats. Through collective effort and shared intelligence, we can create a safer digital environment for all users.