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Kubernetes Infrastructure Security Audit

Client:
Recruitment Company
Industry:
HR Tech
Focus:
Security assessment of Kubernetes infrastructure and audit of its compliance with modern security requirements
Main challenge:
Risk of unauthorized access to administrative resources and personal data leakage
Market:
International (North America and Europe)
Services provided:
Penetration Testing, Cloud Security Assessment
 
Key Takeaways
  • 21 vulnerabilities of varying severity were identified
  • The risk of unauthorized access was reduced by 90%
  • The project was completed in 2.5 weeks
  • The infrastructure was aligned with cloud security best practices
    • 21
    identified vulnerabilities
    <24 hours
    to remediate critical vulnerabilities
    90%
    reduction in data breach risk
    Kubernetes Infrastructure Security Audit
    Jun 23, 2026
    3 min
    An international recruitment platform processing personal data of over 100,000 users required a Kubernetes infrastructure security assessment. Datami conducted a cloud infrastructure audit and penetration test, identified 21 vulnerabilities, and reduced the risk of unauthorized access by 90%.

    The client is an international programmatic recruitment platform that helps companies automate job advertising using machine learning.

    The service operates across North American and European markets and processes personal, financial, and corporate data of 100,000+ users. Therefore, a high level of cybersecurity and GDPR compliance is critically important.

     

    Objectives and challenges
    The client initiated a scheduled security assessment of its Kubernetes infrastructure in AWS EKS.

    The goal was to evaluate access controls, secrets management, and privilege escalation risks to prevent personal data leakage, financial losses, and potential service disruption.
    • Conduct a security audit of the Kubernetes infrastructure in AWS EKS
    • Review configurations, access roles, and secrets management practices
    • Identify potential vulnerabilities and provide remediation recommendations
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    Infrastructure audit
    Review of Kubernetes cluster configurations: namespaces, pods, nodes, and network policies.
    icon
    White-box pentesting
    Security testing with access to internal configurations to assess roles, permissions, and access controls.
    icon
    Reporting and recommendations
    Preparation of a detailed report outlining identified vulnerabilities and recommendations for remediation.
    Datami methodology: Kubernetes infrastructure security assessment

    Our approach

    The team conducted a Kubernetes security assessment, reviewing namespace, pod, node, and network policy configurations. We combined automated and manual analysis, using kubectl and terminal-based tools to examine the environment.

    During the assessment, a new critical Kubernetes vulnerability was disclosed. The Datami team immediately added checks for it, helping protect the infrastructure against the latest cyber threats.

    White-box

    White-box testing

    Testing was performed with access to internal infrastructure configurations, enabling an analysis of configurations, policies, and potential unauthorized access scenarios.
    Key project stages and solutions

    In this cybersecurity project, our team worked closely with the client throughout the engagement. 

    We received test access to the infrastructure, reviewed the documentation, and provided regular status updates. 

    Testing began with automated scanners and was followed by manual verification.

    • Infrastructure preparation and analysis
      Obtaining test access to the system and reviewing technical documentation to understand the Kubernetes infrastructure architecture.
    • Configuration and access testing
      Automated assessment using kubectl and additional tools, combined with manual analysis of access roles, configurations, and potential vulnerabilities.
    • Reporting and recommendations
      Preparation of a detailed report describing identified risks and practical recommendations for remediation.
    Cybersecurity starts with action
    How we can help you?

    Every cybersecurity case study we solve involves deep analysis, tailored solutions, and measurable results.
    Datami has already helped over 600 companies strengthen their digital defenses — and we can do the same for your business.
    Ready to take action?

    Let’s start with a free consultation!
    Results and recommendations

    Results and recommendations

    Before the project, the Kubernetes infrastructure showed limited compliance with security best practices: some configurations remained at default settings, outdated libraries were in use, and monitoring and logging were absent.

    During the security assessment, the team identified 21 vulnerabilities:

    • 2 critical;
    • 6 high;
    • 9 medium;
    • 4 low.

    Information about the identified critical vulnerabilities was immediately shared with the client, and these threats were remediated within 24 hours. The likelihood of unauthorized access was reduced by 90%. The infrastructure was brought into compliance with modern security requirements, helping prevent confidential data leaks and reputational losses.

    The client was provided with the following recommendations:

    • regularly conduct infrastructure security audits;
    • assess security after implementing new functionality;
    • keep Kubernetes components up to date;
    • continuously monitor system logging and monitoring.
    Key project outcomes

    The Kubernetes infrastructure audit was completed ahead of schedule in 2.5 weeks. This case study demonstrated that regular security assessments are essential for cloud infrastructure, helping identify and remediate critical risks before they can be exploited.

    The project also highlights the flexibility of our cybersecurity approach. We respond quickly to newly disclosed cyber threats and immediately incorporate them into infrastructure security assessments.

    Metric
    Before the audit
    Result after the project
    Security level
    Low compliance with security standards, and some default configurations remained
    Aligned with security best practices
    Vulnerabilities
    Outdated libraries and configuration-related risks
    21 vulnerabilities remediated
    Monitoring
    Not implemented
    Monitoring and logging configured
    Access control
    Insufficient access policies
    Access policies strengthened
    Access risk
    High
    Reduced by 90%
    Timeline
    Planned: 3 weeks
    Completed in 2.5 weeks
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