Strengthening Security Compliance and Operations for a Leading Utility Provider in LATAM

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The Customer

The largest electric distribution company in Argentina stands out for its broad customer base and significant energy supply. Its concession area encompasses 20 districts in the northwest of Greater Buenos Aires and the northwest sector of the Autonomous City of Buenos Aires, covering 4,637 km² and serving approximately 9 million residents.

The Challenge

The main goal was to implement robust security best practices and establish solid governance for process changes in the security area. The company aimed to standardize and comply with SOX regulations, control access and publication to reinforce perimeter security, deploy AWS WAF and Amazon GuardDuty, and apply the principle of least privilege across all services. Objectives included enhancing security posture, reducing operational risks, and ensuring traceability, compliance, and incident response capability within a heterogeneous and business-critical infrastructure.

The primary challenge was to improve and standardize security practices in a regulated, high-demand environment. Key tasks included implementing security best practices, governing process changes in the security area, meeting SOX compliance requirements, controlling access and publication for strengthened perimeter security, and adopting technologies such as AWS WAF (Web Application Firewall ) and Amazon GuardDuty. Additionally, the company sought to enforce the least privilege principle for all services, guaranteeing minimum necessary access for each user or system.

The Solution

AWS Security Journey assessment aligned with the AWS Well-Architected Framework (Security Pillar), identifying security gaps, priority risks and potential improvements across the AWS environment.

Delivery of a prioritized remediation roadmap and executive-level security posture summary, enabling informed decision-making and alignment with industry and AWS security best practices.

Implementation and configuration of AWS WAF for various applications, strengthening perimeter defenses.

Development of security controls with Amazon GuardDuty and establishment of SOX governance and compliance.

Improvement of security posture through a Security Journey audit framework.

Definition of new policies, roles, and IAM governance to apply the principle of least privilege.

Centralization of logs and audits to support the Security Operations Center (SOC), with integrated monitoring and response.

Establishment of a security governance framework, including change control and publication of policies to ensure operational continuity

The Results

40% improvement in security maturity across the existing infrastructure, as measured by the reference maturity model.

Critical security issues reduced from 85 findings to zero.

Early detection of vulnerabilities and threats in exposed applications.

Centralized security governance using AWS Firewall Manager and policy definition for roles and least privilege.

Integration and centralization of logs and audits for the Security Operations Center.

Improved scalability and incident response times due to a standardized, auditable security posture.

If your organization is interested in achieving similar results, contact Netrix today to discuss how we can help transform your security posture and ensure compliance with industry standards.

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