Cloud Security

Open Source Container Security: Top 15 Tools

Multiple components of containerized applications or files, as well as their infrastructure and linked networks, are secured using container security solutions. DevOps teams most frequently employ containers as a preferred technique to format software modules throughout the development of applications. They are orchestrated, deployed, and networked after development. Security is crucial throughout the entire container […]

Sharon R.

Written by Sharon R.

August 14, 2023 | 11 min read

Multiple components of containerized applications or files, as well as their infrastructure and linked networks, are secured using container security solutions. DevOps teams most frequently employ containers as a preferred technique to format software modules throughout the development of applications. They are orchestrated, deployed, and networked after development. Security is crucial throughout the entire container utilization process.

To control access, evaluate security, and safeguard cloud computing infrastructure running containerized applications, container security software is utilized. Administrators can control access to containerized data and application integration with management features. Developing security rules, identifying zero-day vulnerabilities, and modeling attacks from familiar threat sources will all be made easier with the help of testing capabilities.

This article will cover Open Source Container Security Tools and what factors to consider while choosing a tool for your organization.

Table of Contents:

  1. Why is Container Security Important?
  2. What are Open Source Container Security Tools?
  3. Top 15 Open Source Container Security Tools
  4. How to choose the best Open Source Container Security Tool?
  5. Conclusion

Why is Container Security Important?

While containers have certain built-in security benefits, such as better application separation, they also widen the variety of dangers a corporation must consider. The widespread use of containers in production systems makes them a more appealing target for hostile people, which adds to the system’s workload. The entire organization’s environment could be breached if even one container is compromised.

The potential risks keep rising as intruders discover more entrance points. Malware in container images is one typical security risk. Standard network security mechanisms do not entirely cover attacks that move sideways within the system. 

What are Open Source Container Security Tools?

The handling, protection, and assurance of the security of containerized files, programs, systems, and the networks that connect them all depend heavily on container security solutions.

With these open source container security tools, administrators can create automated rules that offer security against using vulnerabilities, illegal access, abuse of roles or privileges, and compliance with legal requirements.

However, it’s crucial to remember that software created especially to safeguard containers and the images accompanying them are called container security solutions.

Top 15 Open Source Container Security Tools

Top Open Source Container Security Tools are –

  1. PingSafe
  2. Datadog Cloud CIEM
  3. Microsoft Defender for Cloud
  4. Sophos
  5. BitDefender Gravity Zone
  6. Trend Micro Hybrid Cloud Security
  7. Sysdig Secure
  8. RedHat Advanced Cluster Security for Kubernetes
  9. Aqua Security
  10. Anchore
  11. Cilium
  12. Dockle
  13. Hadolint
  14. Notary
  15. Grafeas

#1 PingSafe

PingSafe, a leading cloud security platform, is well-versed in the attack strategy. PingSafe provides enterprises of all sizes and industry sectors with lightning-fast speed and scale to change cloud security and eliminate any uncovered and exploitable vulnerabilities. Even though PingSafe is not an open-source tool, it is the 1st choice for many giant players.

Open Source Container Security: PingSafe Logo | PingSafe

Key Features:

  • Cloud Misconfigurations: Misconfigurations are automatically fixed. Misconfigurations across resources, lateral movement routes, and impact radius are visualized using graphs.
  • Flagging Security Defaults: Constant monitoring of the security posture of new or current cloud services, focusing on security flaws and best practices.
  • Infrastructure as a Code: Check IaC deployment and configuration against CIS benchmark, PCI-DSS, and other standards. To prevent merge and pull requests with hardcoded secrets, CI/CD integration support is available.
  • Vulnerability Management: Identify cloud resources/assets with known CVEs (Intelligence acquired from 10+ sources with thorough coverage) for vulnerability management. It offers an assessment of Zero-day vulnerabilities. 
  • Threat Watch: A dashboard for monitoring all of your environment’s zero-day vulnerabilities and associated problems.
  • VM Snapshot Scanning: Agentless software bill of materials (SBOM) reporting and VM snapshot scanning for security flaws.

Pros:

  • You don’t have to read manuals extra time because the UI is straightforward. 
  • They frequently develop fresh use cases and feature upgrades. 
  • Like most cloud security solutions, pingSafe maps external events connected to your cloud infrastructure.

Cons: 

  • No cons.

Pingsafe is priced at $2000 per month.

#2 Watchdog

Watchdog’s network monitoring and security program is intended for early threat detection. It continuously keeps track of network activity and warns managers of possible security lapses.

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Key features:

  • Monitoring in real-time: Constantly keeps tabs on network activity.
  • Alerting: Notifies of illegal or suspicious access.
  • Analyzing logs can provide security insights.
  • Adaptable to networks of different sizes.

Pros:

  • Early Threat Detection.
  • Assists in preventing security incidents.
  • Diverse Network Environments Scalable.

Cons:

  • Needs constant maintenance.
  • Initially Complex Setup.
  • It could produce false positives.

#3 Trivy 

Trivy is an open-source container image vulnerability scanner. It improves security in container environments by quickly identifying flaws and incorrect setups in containerized applications.

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Key features:

  • Finding vulnerabilities in container images is done by scanning them.
  • Quick and effective scanning for prompt feedback.
  • CVE Database: Makes use of a sizable CVE database for study.

Pros:

  • Detecting vulnerabilities quickly.
  • Comprehensive CVE database.

Cons:

  • Concentrates primarily on image scanning.

#4 Dagda

An open-source security tool, Dagda is used to evaluate the security of containerized applications. To improve container security, it integrates vulnerability screening, runtime analysis, and other techniques.

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Key features:

  • Container Image Scanning: Finds weaknesses in pictures.
  • Runtime analysis: Looks for irregularities in container behavior.
  • Integration: Compatible with systems for orchestrating containers.

Pros:

  • Comprehensive Assessment of Container Security.
  • Runtime surveillance.

Cons:

  • Calls for a learning curve.

#5 K-Rail

K-Rail is an open-source security tool for Kubernetes. It offers guidelines and security measures to guard against incorrect setups and potential security flaws in Kubernetes clusters.

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Key features:

  • Security best practices are enforced by Kubernetes security policies.
  • Real-time monitoring: Identifies threats and takes action.
  • Allows for the creation of personalized security policies.

Pros:

  • Kubernetes-Specific Security, Customizable Policy.

Cons:

  • Adjustments to configuration may be necessary.

#6 Grafaes 

Grafeas is an open-source program that helps Kubernetes clusters manage their secrets. It gives Kubernetes users a quick and effective way to store and retrieve sensitive data.

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Key features:

  • Manage secrets securely by storing and retrieving them.
  • Kubernetes integration: Works without a hitch.
  • Controls access to secrets through access control.

Pros:

  • Manage Secure Secrets.
  • Integration of Kubernetes.

Cons:

  • Limited to Secrets Management.

#7 Sysdig Secure

Sysdig Secure is a security tool that functions across a container’s whole lifecycle. It offers open source container security. It provides security and compliance solutions that can swiftly stop known vulnerabilities before they can cause real damage. The tool can incorporate scanning into CI/CD pipelines and registries.

Open Source Container Security: sysdig secure Logo | PingSafe
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Key Features:

  • Good for DevOps
  • On-demand or continuous
  • Integrates into CI/CD pipelines

Pros:

  • Tracking real-time performance and log searching
  • Reporting and auditing of compliance
  • Extension options for threat detection

Cons: 

  • Does not monitor on-site systems.

#8 InSpec 

InSpec is an open-source automation tool for security and compliance. In order to maintain system integrity, it enables businesses to create and apply security and compliance policies as code.

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Key Features:

  • Defines security policies in code that is readable by humans.
  • Validation of Compliance: Assures adherence to legal requirements.
  • Integration: Compatible with many kinds of infrastructure.

Pros:

  • Policy Automation.
  • Cross-Platform Compatibility.

Cons:

  • Learning Curve for Creating Policies.

#9 OpenSCAP

OpenSCAP is a free software program for evaluating security compliance. By comparing system security posture to preset security policies it aids companies in assessing and maintaining system security posture.

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Key features:

  • Security compliance auditing: compares systems to regulations.
  • Uses Security Content Automation Protocol (SCAP) data for its content.
  • Supports numerous OS systems; cross-platform.

Pros:

  • Compliance Assessment.
  • Support Across Platforms.

Cons:

  • May Require Expertise for Custom Policies.

#10 Anchore

We obtain an open-source container security tool for tracking the security of container images with the Anchore Engine. Any expert administration team would be pleased with its Enterprise Edition, a comprehensive container security workflow solution.

Open Source Container Security: anchore Logo | PingSafe
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Key Features:

  • API and command-line options
  • Vulnerability assessments
  • Container analysis 
  • It lists CVE ID

Pros:

  • Monitors containers on any platform.
  • It examines container contents for security problems.
  • In development environments, integrated testing might be used.
  • It will send out notifications via teamwork tools.

Cons:

  • Background operations that are ongoing risk it being disregarded.

#11 Cilium

Network connectivity security is the focus of Cilium. The Linux container platforms Docker and Kubernetes are compatible with thanks to Cilium’s addition of security visibility and control mechanisms. It offers open source container security.

Open Source Container Security: cilium Logo | PingSafe
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Key Features:

  • Identity-Based Security
  • Blazing Performance
  • API-Protocol Visibility + Security
  • Designed for Scale

Pros:

  • Open source
  • Provides security to applications deployed on Docker and Kubernetes

Cons:

  •  Needs to improve gui to more to make it easy to use

#12 Dockle

An open-source program called Dockle is used to confirm if containers adhere to a list of recommended practices for creating Dockerfiles. In order to prevent exposed secrets, user privilege escalation, and possibly vulnerable instructions, Dockle can also be used to lint container images against popular CIS benchmarks. It offers open source container security.

Open Source Container Security: dockle Logo | PingSafe
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Key Features:

  • Static Image Analysis
  • Security Checks
  • Customizable Checks
  • Integration with CI/CD
  • CLI Tool

Pros:

  • Ensures compliance
  • Customizability
  • Enables automated and continuous security assessment of container images.

Cons:

  • Static Analysis Limitation
  • Limited Scope
  • Dependency on Updates
  • Steep learning Curve

#13 Hadolint

Hadolint is a linter that aids teams in creating and deploying Docker containers that follow best practices. Hadolint parses a Dockerfile into an abstract syntax tree (AST). In-line comments produced as a result can be used to spot things like invalid ports, flawed or superfluous commands, missing tags, and other anti-patterns. DevSecOps could strengthen the security of its Docker containers by fixing these problems. It offers open source container security.

Open Source Container Security: hadolint Logo | PingSafe
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Key Features:

  • Dockerfile Analysis
  • Linting Rules
  • Allows you to define custom linting rules
  • Integration with CI/CD

Pros:

  • Focused Expertise
  • Automated Best Practices
  • Customizability
  • Automated and continuous analysis of Dockerfiles within your CI/CD pipeline

Cons:

  • Limited Scope
  • Static Analysis
  • False Positives/Negatives
  • Steep Learning Curve
  • Effectiveness depends on regular updates

#14 Notary

The main idea behind Notary is the separation of duties; developers can assign roles and specify duties among containers by utilizing Notary. The package includes a server and a client to provide a cryptographically safe method of publishing and verifying material. It offers open-source container security.

Open Source Container Security: notary
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Key Features:

  • Image Authentication
  • Trust Infrastructure
  • Role-Based Access Control
  • Integration with Docker

Pros:

  • Enhanced Security
  • Trust Assurance
  • Integrity and Authenticity
  • Distributed Trust Model

Cons:

  • Setting up and configuring Notary is complex.
  • Steep learning curve
  • Dependency on Infrastructure
  • Integration Challenges
  • Regular maintenance is required

#15 Grafeas

Developers can use Grafeas, a “component metadata API,” to specify metadata for virtual machines and containers. The project also incorporates IBM’s Vulnerability Advisor. It offers open source container security.

Open Source Container Security: grafeas
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Key Features:

  • Metadata Tracking
  • Standardized API
  • Lifecycle Management
  • Integration with Other Tools

Pros:

  • Centralized Metadata
  • Standardization
  • Visibility and Accountability
  • Integration
  • Customization

Cons:

  • Complexity
  • Infrastructure and Maintenance
  • Dependency on Other Tools
  • Data Volume and Storage
  • Evolving Ecosystem

How to choose the best Open Source Container Security Tool?

Some aspects that assisted in choosing which open source container security products to include on our list are as follows:

  • It should be able to control and monitor who has access roles and permissions.
  • It should be able to enforce rules from a central location and ensure compliance.
  • It should be able to examine large collections of containers and identify any picture flaws.
  • Enabling the detection of hazardous software while it is being tested in a controlled environment and seeing how the predetermined rules impact it.
  • To assess and demonstrate compliance, create reports, conduct audits, and save information about the containers.
  • Having the ability to detect malicious software while it is active, including internal threats, flaws that haven’t been patched, risky setups, data leakage, weak passwords, and odd behavior.
  • The cost, if it’s affordable, and other factors must be considered before choosing a solution.

Conclusion

Containers are no different from newly developed technologies that demand stringent oversight and rapid security. This blog saw the top 15 Open Source Container Security tools. Container security is distinctive since it must be protected during development and use. Prioritizing both should be done. Businesses with growing container infrastructures should invest in orchestration tools and container-specific solutions to track down and eliminate threats.