Best Free Container Security Software of 2025

Aikido is a software security platform designed with developers in mind. It enables you to secure and analyze your containers and virtual machines, highlighting the vulnerabilities that require your attention. Safeguard your applications against outdated runtime environments that may pose security risks. Aikido integrates various scanning functionalities, including Container Scanning, Static Application Security Testing (SAST), Infrastructure as Code (IaC) analysis, Dynamic Application Security Testing (DAST), Software Composition Analysis (SCA), Cloud Security Posture Management (CSPM), and Secrets Detection, all within a single cohesive platform.

Kasm Workspaces streams your workplace environment directly to your web browser…on any device and from any location. Kasm is revolutionizing the way businesses deliver digital workspaces. We use our open-source web native container streaming technology to create a modern devops delivery of Desktop as a Service, application streaming, and browser isolation. Kasm is more than a service. It is a platform that is highly configurable and has a robust API that can be customized to your needs at any scale. Workspaces can be deployed wherever the work is. It can be deployed on-premise (including Air-Gapped Networks), in the cloud (Public and Private), or in a hybrid.

Checkmk is an IT monitoring system that allows system administrators, IT managers and DevOps teams, to quickly identify and resolve issues across their entire IT infrastructure (servers and applications, networks, storage and databases, containers, etc. Checkmk is used daily by more than 2,000 commercial customers worldwide and many other open-source users. Key product features * Service state monitoring with nearly 2,000 checks 'outside the box' * Event-based and log-based monitoring * Metrics, dynamic Graphing, and Long-Term Storage * Comprehensive reporting incl. Accessibility and SLAs * Flexible notifications and automated alert handling * Monitoring business processes and complex systems * Software and hardware inventory * Graphical, rule-based configuration and automated service discovery These are the top use cases * Server Monitoring * Network Monitoring * Application Monitoring * Database Monitoring * Storage Monitoring * Cloud Monitoring * Container Monitoring

Fidelis Halo, a SaaS-based cloud security platform, automates cloud computing security controls. It also provides compliance across containers, servers, and IaaS within any public, private or hybrid cloud environment. Halo's extensive automation capabilities allow for faster workflows between InfoSec (DevOps) and Halo with over 20,000 pre-configured policies and more than 150 policy templates. These templates cover standards like PCI, CIS and HIPAA. The comprehensive, bidirectional Halo API, SDK, and toolkit automate security and compliance controls in your DevOps toolchain. This allows you to identify and correct critical vulnerabilities before they go into production. Free Halo Cloud Secure edition includes full access to the Halo Cloud Secure CSPM Service for up to 10 cloud service account across any mix of AWS and Azure. Get started now to automate your cloud security journey!

You can use your favorite debugging software to locally troubleshoot your Kubernetes services. Telepresence, an open-source tool, allows you to run one service locally and connect it to a remote Kubernetes cluster. Telepresence was initially developed by Ambassador Labs, which creates open-source development tools for Kubernetes such as Ambassador and Forge. We welcome all contributions from the community. You can help us by submitting an issue, pull request or reporting a bug. Join our active Slack group to ask questions or inquire about paid support plans. Telepresence is currently under active development. Register to receive updates and announcements. You can quickly debug locally without waiting for a container to be built/push/deployed. Ability to use their favorite local tools such as debugger, IDE, etc. Ability to run large-scale programs that aren't possible locally.

Panoptica makes it easy for you to secure containers, APIs and serverless functions and manage your software bills of material. It analyzes both internal and external APIs, assigns risk scores, and then reports back to you. Your policies determine which API calls the gateway allows or disables. Cloud-native architectures enable teams to develop and deploy software faster, keeping up with today's market. However, this speed comes at a cost: security. Panoptica fills these gaps by integrating automated policy-based security and visibility at every stage of the software-development process. The number of attack points has increased significantly with the decentralized cloud-native architectures. Changes in the computing landscape have also increased the risk of security breaches. Here are some reasons why comprehensive security is so important. A platform that protects all aspects of an application's lifecycle, from development to runtime, is essential.

NeuVector provides complete security for the entire CI/CD process. We provide vulnerability management and attack blocking in all production with our patented container firewall. NeuVector provides PCI-ready container security. You can meet your requirements in less time and with less effort. NeuVector protects IP and data in public and private cloud environments. Continuously scan the container throughout its lifecycle. Security roadblocks should be removed. Incorporate security policies from the beginning. Comprehensive vulnerability management to determine your risk profile. The only patentable container firewall provides immediate protection against known and unknown threats for zero days. NeuVector is essential for PCI and other mandates. It creates a virtual firewall to protect personal and private information on your network. NeuVector is a kubernetes-native container security platform which provides complete container security.

Kubernetes is an open-source platform that provides developers and DevOps with an end-to-end security solution. This includes security compliance, risk analysis, security compliance and RBAC visualizer. It also scans images for vulnerabilities. Kubescape scans K8s clusters, Kubernetes manifest files (YAML files, and HELM charts), code repositories, container registries and images, detecting misconfigurations according to multiple frameworks (such as the NSA-CISA, MITRE ATT&CK®), finding software vulnerabilities, and showing RBAC (role-based-access-control) violations at early stages of the CI/CD pipeline. It instantly calculates risk scores and displays risk trends over time. Kubescape is one of the most popular Kubernetes security compliance tools for developers. Its easy-to-use interface, flexible output formats and automated scanning capabilities have made Kubescape one of the fastest growing Kubernetes tools. This has saved Kubernetes admins and users precious time, effort and resources.

Falco serves as the leading open-source solution for ensuring runtime security across hosts, containers, Kubernetes, and cloud environments. It enables users to gain immediate insights into unexpected actions, configuration modifications, intrusions, and instances of data theft. Utilizing the capabilities of eBPF, Falco secures containerized applications at any scale, offering real-time protection regardless of whether they operate on bare metal or virtual machines. Its compatibility with Kubernetes allows for the swift identification of unusual activities within the control plane. Furthermore, Falco monitors for intrusions in real-time across various cloud platforms, including AWS, GCP, Azure, and services like Okta and Github. By effectively detecting threats across containers, Kubernetes, hosts, and cloud services, Falco ensures comprehensive security coverage. It provides continuous streaming detection of abnormal behaviors, configuration alterations, and potential attacks, making it a trustworthy and widely supported standard in the industry. Organizations can confidently rely on Falco for robust security management in their diverse environments.

Aptible provides a seamless solution to implement the essential security measures required for regulatory compliance and customer audits. With its Aptible Deploy feature, you can effortlessly maintain adherence to compliance standards while fulfilling customer audit expectations. The platform ensures that your databases, traffic, and certificates are securely encrypted, meeting all necessary encryption mandates. Data is automatically backed up every 24 hours, and you have the flexibility to initiate a manual backup whenever needed, with a straightforward restoration process that takes just a few clicks. Moreover, comprehensive logs for every deployment, configuration alteration, database tunnel, console operation, and session are generated and preserved. Aptible continuously monitors the EC2 instances within your stacks, looking out for potential security threats such as unauthorized SSH access, rootkit infections, file integrity issues, and privilege escalation attempts. Additionally, the dedicated Aptible Security Team is available around the clock to promptly investigate and address any security incidents that may arise, ensuring your systems remain safeguarded. This proactive approach allows you to focus on your core business while leaving security in expert hands.

Security and observability tailored for Kubernetes environments. Implementing security and observability as code is essential for modern cloud-native applications. This approach encompasses cloud-native security as code for various elements, including hosts, virtual machines, containers, Kubernetes components, workloads, and services, ensuring protection for both north-south and east-west traffic while facilitating enterprise security measures and maintaining continuous compliance. Furthermore, Kubernetes-native observability as code allows for the gathering of real-time telemetry, enhanced with context from Kubernetes, offering a dynamic view of interactions among components from hosts to services. This enables swift troubleshooting through machine learning-driven detection of anomalies and performance issues. Utilizing a single framework, organizations can effectively secure, monitor, and address challenges in multi-cluster, multi-cloud, and hybrid-cloud environments operating on either Linux or Windows containers. With the ability to update and deploy security policies in mere seconds, businesses can promptly enforce compliance and address any emerging issues. This streamlined process is vital for maintaining the integrity and performance of cloud-native infrastructures.

Our entirely cloud-based framework offers immediate protection against hidden threats while safeguarding your endpoints from recognized threat signatures. Comodo has pioneered a novel strategy for endpoint security, specifically designed to address the shortcomings of outdated security solutions. The Dragon platform establishes the essential principles for comprehensive next-generation endpoint protection. You can effortlessly enhance your cybersecurity and operational efficiency with the Dragon Platform’s streamlined agent, which utilizes artificial intelligence (AI) and Auto Containment to neutralize all threats effectively. Comodo provides every aspect of cybersecurity necessary to implement breach protection, ensuring immediate value from the outset. With a 100% reliable verdict achieved within 45 seconds for 92% of signatures through analysis, and a four-hour service level agreement for the remaining 8% addressed by human specialists, the platform stands out in the industry. Regular automatic signature updates further facilitate deployment throughout your entire system, significantly reducing operational expenses while ensuring robust security measures are in place. This solution not only enhances protection but also streamlines the process to keep your organization secure effortlessly.

Kubernetes can be run in production using the #1 Kubernetes platform. It offers persistent storage, backup, data security, capacity management, and DR. You can easily backup, restore, and migrate Kubernetes applications to any cloud or data centre. Portworx Enterprise Storage Platform provides end-to-end storage, data management, and security for all Kubernetes projects. This includes container-based CaaS and DBaaS as well as SaaS and Disaster Recovery. Container-granular storage, disaster recovery and data security will all be available to your apps. Multi-cloud migrations are also possible. You can easily solve enterprise requirements for Kubernetes data service. Your users can easily access a cloud-like DbaaS without losing control. Operational complexity is eliminated by scaling the backend data services that power your SaaS app. With a single command, add DR to any Kubernetes application. All your Kubernetes apps can be easily backed up and restored.

CrowdSec, a free, open-source, and collaborative IPS, analyzes behaviors, responds to attacks, and shares signals across the community. It outnumbers cybercriminals. Create your own intrusion detection system. To identify cyber threats, you can use behavior scenarios. You can share and benefit from a crowdsourced, curated cyber threat intelligence platform. Define the type and location of the remediation you wish to apply. Use the community's IP blocklist to automate your security. CrowdSec can be run on containers, virtual machines, bare metal servers, containers, or directly from your code using our API. Our cybersecurity community is destroying cybercriminals' anonymity. This is our strength. You can help us create and distribute a qualified IP blocklist that protects everyone by sharing IP addresses you have been annoyed by. CrowdSec can process massive amounts of logs faster than Fail2ban, and is 60x faster than Fail2ban.

Minimus provides radically minimal container and VM images that reduce cloud environment vulnerabilities by constructing images from upstream project sources with only the software necessary to run the application. Created by the Twistlock team, leaders in container security and contributors to NIST SP 800-190, Minimus focuses on shrinking the attack surface through images built from scratch. Fully OCI compliant, these images are easy to deploy—requiring just a single line change in your deployment files. This approach significantly reduces low-value, time-consuming remediation work for developers and simplifies deployment and management for operations teams using familiar tools. Minimus delivers remarkable security improvements with clear risk reduction and fast time to value. The images are rebuilt daily to remove over 95% of known Common Vulnerabilities and Exposures (CVEs), preventing many security issues before they arise. By eliminating vulnerabilities at their source, Minimus breaks the cycle of endless remediation. It provides a practical, efficient solution to cloud security challenges.