Executive Summary

One Indonesian Investment Management Company is rapidly evolving, requiring secure, cost-effective, and highly available IT operations to support financial transactions and portfolio management. This case study explores how Mastersystem Infotama Managed Service Security Provider (MSSP) helped a leading Indonesian investment company optimize daily IT operations, implement backup strategies, enhance security reporting, and improve cost efficiency. Additionally, the company leveraged Amazon AWS to deploy new workloads efficiently to support its growing digital investment platforms.

Challange

The company requires a comprehensive security solution that provides 24/7 security monitoring to detect and mitigate potential threats proactively. This includes real-time threat detection and automated incident response to minimize financial and reputational risks. Additionally, the company must ensure continuous compliance with regulatory frameworks, avoiding fines and legal liabilities. A strict identity and access management (IAM) strategy is also necessary to prevent unauthorized access to sensitive investment and trading data. Furthermore, cloud workload protection must be implemented to secure applications and infrastructure hosted on AWS. By leveraging Mastersystem MSSP services, the company aims to automate security processes, reduce human intervention, and enhance operational efficiency. Optimize security costs by leveraging AWS-native solutions rather than relying on expensive third-party security tools.

Solution

Mastersystem MSSP Security Services

To address its security needs, the asset management company adopted Mastersystem MSSP with the following key implementations:

• • Provide continues 24/7 Incident Response Teams Monitoring of Mastersystem MSSP.
• • Implemented AWS GuardDuty, AWS Security Hub, and AWS CloudTrail to provide continuous security event monitoring across AWS accounts, identifying potential threats such as unauthorized access, malware, or abnormal network activity on production workload account.
• • Automated incident response playbooks we created using AWS Lambda and AWS Systems Manager, to ensuring rapid containment of security incidents. This will include predefined responses for financial fraud attempts, unauthorized API access, and insider threats.
• • Utilize AWS Config to maintain continuous compliance with CIS, ISO 27001 regulations. These services will automate compliance audits, generate security reports, and enforce governance policies.
• • Implemented Role-based access controls using AWS IAM, enforcing least- privilege policies to restrict access to critical systems. Multi-factor authentication (MFA) will be required for all privileged users, and access logs will be monitored via AWS CloudTrail.
• • AWS Security Hub and AWS Systems Manager we used to monitor and secure Amazon EC2 instances. Workload encryption and runtime protection measures will be enforced to prevent unauthorized modifications.
• • Web Application Firewalls (WAF) are used to protect customer web application against DDoS attacks and other internet-based threats.
• • Integrated Sophos Next-Generation Firewall (NGFW) on AWS to enhance security for VPN clients, ensuring secure remote access and network protection.
• • We have implemented AWS Direct Connect as the primary connection and AWS Site-to-Site VPN as the backup connection between corporate datacenter and AWS Virtual Private Clouds (VPCs). This service establishes a secure connection between local networks by providing a highly available and managed private solution to secure network traffic for access users and on-premises backup solutions to AWS Cloud.

Expected Benefit

By leveraging AWS-native security and Managed Services Security, companies can expect:
• Security & Risk Reduction

• Company gains 99% security system uptime for proactive threat detection and real-time mitigation capabilities. This significantly 90% reduce the risk of financial data breaches, fraud, and cyberattacks, ensuring the security of client investments. 50% increase in security team efficiency with automated incident response will further minimize business disruptions caused by security threats.

• Compliance & Regulatory Readiness

• With AWS-native is 100% compliance with industry security standards compliance solutions will ensure continuous security posture monitoring, helping the company meet regulatory obligations without extensive manual intervention. Audit-ready security reports generated automatically, simplifying regulatory compliance and reducing audit preparation time.

• Cost & Operational Efficiency

• Leveraging AWS-native security services will reduce up to 30-40% compare with third-party security tool expenses while enhancing security automation. This will lower operational costs associated with manual threat detection and incident response, allowing security teams to focus on strategic security initiatives rather than routine monitoring.

Conclution

By strategically using AWS and Mastersystem AWS Managed Service Security, the client transformed IT infrastructure, improving cost efficiency, security, and scalability. As Indonesia investment sector continues to grow, AWS remains a critical partner in enabling digital transformation, ensuring operational excellence, and supporting new investment opportunities.