Regular Pentesting Strengthens Security and Client Confidence
CloudLinux provides secure, optimized, and stable Linux-based operating systems and cybersecurity solutions for hosting providers and enterprises, enhancing server security, performance, and reliability. Their solutions are trusted by hosting companies and enterprise clients worldwide to safeguard critical infrastructure and ensure consistent uptime.
Results
The assessment:
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Satisfied compliance and client security documentation requirements.
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Reduced the internal team’s workload through clear documentation and streamlined reporting, making remediation faster and more efficient.
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Strengthened overall infrastructure security with better visibility into exsisiting threats.
About results
Sekurno’s testing revealed vulnerabilities other vendors missed — some validating CloudLinux’s internal knowledge, and others uncovering previously unknown issues. Importantly, the assessment confirmed that no critical issues were present and validated the effectiveness of many existing security controls, giving the team confidence that their baseline defenses were working as intended. The clear, actionable reporting enabled the security team to quickly engage engineers in remediation without lengthy explanations or back-and-forth.
The Challenge
CloudLinux needed to
Before engaging with Sekurno, OASYS NOW had relied solely on automated security scanning tools. But as the company matured — and began serving clinical stakeholders and institutional partners — internal diligence was no longer enough
Conduct regular security assessments to meet client and compliance requirements
Strengthen their security posture through deep, accurate testing
Validate and improve detection of vulnerabilities in critical infrastructure
They wanted a vendor capable of going beyond surface-level testing, delivering clear and actionable findings that would improve their actual security — not just satisfy audit checkboxes
Key takeaways
Direct vendor comparison showed Sekurno’s testing depth exceeded industry norms
Actionable documentation saves internal security teams time and accelerates remediation
Long-term partnerships benefit from clear communication and repeatable testing processes.
Our Solution
CloudLinux engaged Sekurno through a competitive vendor procurement process
Two vendors were tested on identical scopes, and their results were compared directly. Sekurno’s depth of analysis and accuracy stood out — uncovering vulnerabilities that were already known internally but had never been found by other external testers. Following this pilot success, CloudLinux signed an annual contract with Sekurno for ongoing penetration testing and regular vulnerability assessments.
Our approach included
Deep Technical Assessment
Penetration testing with a focus on real-world exploitability, not just compliance checks
Threat Modeling
Creating a detailed view of potential attack vectors across their infrastructure
Comprehensive Documentation
Delivering a full pentest report, threat model, and a registry of all tests performed
Streamlined Communication
Regular updates and clear reporting that minimized internal validation overhead
Sekurno’s ability to deeply understand our infrastructure and uncover vulnerabilities that other vendors missed was particularly impressive. Their approach went beyond compliance-driven security checks, focusing on real security improvements. Additionally, their clear documentation and streamlined reporting process significantly reduced the internal team’s workload, making remediation more efficient.
Sergey Pronin, Head of Security, CloudLinux
Conclusion
CloudLinux’s partnership with Sekurno transformed their penetration testing from a compliance task into a proactive security improvement process. By combining deep technical expertise with clear, efficient reporting, Sekurno has become a trusted long-term partner in strengthening CloudLinux’s security posture and meeting client expectations for transparency and reliability.