Docker Infrastructure Security Audit

Client:

HUSPI — a software development company for healthcare and financial organizations

Industry:

Software Development

Focus:

Protection of personal, medical, and corporate data within the company’s digital products

Main challenge:

Security assessment of servers in Docker containers to prevent unauthorized access and data leaks

Market:

Ukraine, Poland, Germany (international segment)

Services provided:

White-box pentest of servers, containers, and network

Key Takeaways

Strengthened container security posture

Reduced data leak risk by 80–90 percent

Identified 9 vulnerabilities, including 2 critical ones

Provided a detailed report with recommendations for strengthening the infrastructure

Critical vulnerabilities were eliminated within 24 hours of reporting

24 hours

to fix the vulnerability

vulnerabilities detected

80–90%

lower risk of data breaches

Jan 17, 2025

14 min

Do Docker containers really guarantee isolation and security? The IT company HUSPI turned to Datami for a scheduled penetration test of its internal infrastructure. We performed white-box testing of Docker servers, identified critical vulnerabilities, and helped reduce the risk of data leaks by 80–90%.

HUSPI is a mid-sized IT company registered in Poland that develops software for the healthcare, financial, and real estate sectors. Thousands of users work with its web platforms and APIs every day.

HUSPI operates in regulated industries and complies with international security standards (including GDPR), making the protection of personal, medical, and corporate data critically important for the company.

Objectives and challenges

HUSPI initiated a scheduled security assessment due to the risks of unauthorized access to internal systems and potential data leaks from the containerized environment.

The goal of the project was to identify vulnerabilities and test the security of the internal infrastructure to ensure compliance with international security standards, including GDPR and healthcare requirements.

Conduct a white-box penetration test of internal servers and containers (frontend and backend).
Assess the isolation of Docker environments and network interactions, including the risks of container breakout.
Identify vulnerabilities, assess risks, and prepare a detailed report with recommendations.

Penetration testing

White-box testing of frontend and backend containers

Vulnerability detection

Identification and analysis of risks within the internal infrastructure

Reporting and recommendations

Detailed report on threats and security improvements

Datami methodology: HUSPI security assessment

Our approach

Datami assessed HUSPI’s internal infrastructure, including frontend and backend servers in Docker containers.

The primary method used was a white-box penetration test: the team had access to technical information for the most in-depth analysis.

We combined manual and automated testing methods, analyzed configurations, and examined inter-container interactions. SSH access enabled work in the live environment.

Despite a limited budget, the team identified critical vulnerabilities and provided effective recommendations.

White-box

The testing was carried out with full access to the internal infrastructure, allowing the team to simulate the most likely attack vectors and obtain an objective picture of the security posture.

Main project stages and solutions

During the project, Datami used specific scenarios to test Docker container isolation and adapted the workflow in response to access delays.

Analysis of the key components of the container environment enabled the team to cover priority risk areas and respond promptly to client requests.

Preparation:

Analysis and clarification of technical details, test planning, and identification of critical areas for assessment.
Penetration testing:

White-box pentest of two Docker servers, combining manual and automated approaches to detect vulnerabilities in network interactions and container isolation.
Analysis and reporting:

Preparation of a detailed report describing the identified risks, recommendations for remediation, and measures to improve security.

Results and recommendations

At the start of the project, HUSPI’s internal infrastructure faced high risks: lack of container audits and weak network segmentation posed threats to sensitive data.

During the white-box pentest, Datami discovered 9 vulnerabilities: 2 critical (including database access via inter-container communication), 3 medium, and 4 low.

HUSPI received clear recommendations to strengthen cybersecurity:

Regular audits of Docker configurations
Restriction of inter-container access
Implementation of a Zero Trust approach and updated logging

After implementing the recommendations, the risk level was reduced to medium: the likelihood of data loss due to inter-container communication decreased by 80–90%, helping to avoid over $50,000 in potential financial losses.

The project was completed in 2 weeks instead of the standard 3–4. Critical vulnerabilities were fixed by the client within 24 hours.

Key project outcomes

With Datami’s help, HUSPI improved its cybersecurity in just 2 weeks: the company gained a clear picture of potential risks, received an actionable roadmap, and strengthened its GDPR compliance. All project objectives were achieved.

This case proves that even companies specializing in complex digital solutions need regular penetration testing to avoid financial, legal, and reputational losses.

Aspect

Before the project

After implementation

Security status

High risk due to lack of container audits

Risk level reduced, 9 vulnerabilities found

Critical vulnerabilities

Possible unauthorized access to databases

2 critical issues found, fixed within 24 hours

Account compromise

Potential due to network isolation issues

Risk reduced after configuration improvements

Security compliance

Partial compliance with policies and GDPR

Improved alignment with standards

Timeline

Typically 3–4 weeks

Project completed in 2 weeks

Pentest and Protection of Platform from DDoS

Discovered 30 vulnerabilities in two web applications
Implemented DataGuard and Cloudflare for DDoS protection

Services:

Black-box web app pentesting, implementation of Dataguard

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Identified 10 vulnerabilities, including 3 critical ones

Services:

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Identified 19 vulnerabilities, including 1 critical, and 8 medium
Provided security compliance recommendations

Services:

Black-box pentest of web resources and infrastructure

Jun 6, 2025

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