--- title: Financial Institution Cybersecurity Case Study | PCI Compliance description: See how BitLyft helped a financial institution strengthen cybersecurity, improve PCI DSS compliance, secure AWS, and enhance threat visibility. image: https://www.bitlyft.com/hubfs/Bank.jpeg --- [Skip to content](https://www.bitlyft.com/resources/case-study-strengthening-cybersecurity-for-a-financial-institution#main-content) [![BitLyft Cybersecurity](https://www.bitlyft.com/hubfs/BitLyft-header-logo.svg)](https://www.bitlyft.com/) - Solutions Show submenu for Solutions - [BitLyft True MDR](https://www.bitlyft.com/agentic-mdr) Show submenu for BitLyft True MDR - [Security Automation](https://www.bitlyft.com/security-automation) - [Security Operation Center (SOC)](https://www.bitlyft.com/security-operations-center-soc) - [SIEM Management](https://www.bitlyft.com/security-information-and-event-management-siem) - [Central Threat Intelligence](https://www.bitlyft.com/central-threat-intelligence) - [BitLyft AIR®](https://www.bitlyft.com/air) - 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[Downloads](https://www.bitlyft.com/downloads) - [Webinar](https://www.bitlyft.com/webinar) - [Glossary](https://www.bitlyft.com/glossary-of-terms) - [Experienced a Breach?](https://bitlyft.com/emergency-incident-response) - [Request a Demo](https://www.bitlyft.com/request-a-demo) [Request a Demo](https://www.bitlyft.com/request-a-demo) [All posts](https://www.bitlyft.com/resources/all) June 30, 2026 # Case Study: Strengthening Cybersecurity for a Financial Institution ![Cybersecurity for a Financial Institution](https://www.bitlyft.com/hubfs/Bank.jpeg) ![Picture of Jason Miller](https://www.bitlyft.com/hs-fs/hubfs/Headshots/JasonRound.png?width=50&name=JasonRound.png) By  Jason Miller  ·  3 minute read **Industry:** Financial Services **Client:** A mid-sized banking institution **Challenge:** Ensuring PCI compliance, improving security posture, and addressing internal security gaps ### **Overview** A mid-sized financial institution faced several cybersecurity challenges, primarily related to managing their small IT team and maintaining compliance with regulatory standards like PCI DSS (Payment Card Industry Data Security Standard). The client was seeking a solution to improve their overall security posture, gain better visibility into their network, and conduct proactive testing of their defenses through purple team exercises. BitLyft stepped in to provide a tailored solution to address these needs. ### **Challenges** The financial institution struggled with various cybersecurity threats, including phishing campaigns, account compromises, and user access management issues. In addition to the external threats, their small internal IT team was unable to effectively manage and monitor their security environment, leading to concerns over compliance with PCI DSS standards and inadequate network monitoring. Their specific pain points included: - Lack of visibility into network activity, particularly East-West traffic - Insufficient control over user access and root account management in AWS - Inability to effectively conduct purple team exercises to test their security defenses - Difficulty maintaining PCI compliance without proper audit trail visibility ### **Solution Implementation** BitLyft developed a customized approach to address the bank’s specific challenges, focusing on improving visibility, implementing robust compliance measures, and creating tailored rule sets to prevent future breaches. 1. **AWS Optimization and Rule Creation**The bank hosted critical services in AWS, including their cloud banking platform. BitLyft restructured their AWS environment, deploying GuardDuty and CloudTrail to monitor for malicious activity. BitLyft also built a set of 40-50 custom rules based on the bank's log sources to alert on suspicious activities, such as unauthorized account access, region violations, and security group changes. 2. **Purple Team Exercises**The institution was keen on conducting purple team exercises to test the effectiveness of their defenses. Over a three-month period, BitLyft set up simulated attacks targeting their AWS infrastructure, particularly focusing on HTTP requests to their cloud-hosted banking application. These exercises allowed the bank to assess the performance of their security systems and improve upon weaknesses identified during the simulations. 3. **PCI Compliance & Network Monitoring**To meet PCI DSS compliance, BitLyft deployed network monitors to provide visibility into East-West traffic and ensure no sensitive data, such as credit card information, was transmitted in plain text. Customized dashboards were created to simplify the auditing process, providing the bank with quick and easy access to audit-ready reports for their PCI audits. BitLyft also focused on securing the AWS infrastructure by enforcing policies that restricted root account access and established strict user access control measures. 4. **Long-Term Collaboration**BitLyft maintained a close working relationship with the client, holding weekly (later quarterly) meetings to ensure continuous improvement. Following an acquisition by a larger financial group, BitLyft continued to support the bank with the same level of care, ensuring that security remained a top priority throughout the transition. ### **Results** 1. **Improved Security Posture**Through BitLyft's tailored solutions, the bank experienced significant improvements in their overall security posture. The internal IT team became better equipped to manage their environment, and the AWS restructuring provided much-needed visibility into potential threats. 2. **Increased Visibility & Reduced Alerts**After implementing the custom rule sets, the bank saw a marked reduction in the number of triggered alerts. Initially, there were frequent alerts related to suspicious activity, but after BitLyft’s intervention, this number dropped to only a few alerts per quarter. This reduction highlighted the success of the proactive measures taken during the purple team exercises and AWS configuration. 3. **Seamless PCI Audits**BitLyft's tailored dashboards and reporting capabilities significantly streamlined the bank’s PCI audit process. The ability to quickly generate comprehensive, audit-ready reports within a business day ensured that the client could easily meet compliance requirements without unnecessary delays or stress. ### **Long-Term Impact** BitLyft’s partnership with the financial institution resulted in sustainable improvements to their cybersecurity infrastructure. The bank is now well-positioned to handle both internal and external threats with greater efficiency and confidence. With their security posture enhanced and PCI compliance maintained, the institution can focus on its core mission of delivering financial services, knowing that its cybersecurity needs are being expertly managed. ### **Recommendations** For financial institutions looking to improve their cybersecurity, BitLyft recommends: - Regularly conducting purple team exercises to test the effectiveness of security defenses - Evaluating EDR policies to ensure protection against ransomware and data exfiltration - Monitoring network traffic beyond firewall logs to gain better visibility into potential threats - Implementing strict user access controls and limiting root account usage in cloud environments ### **Conclusion** BitLyft’s comprehensive solution helped this financial institution address critical cybersecurity gaps, improve compliance, and strengthen their defenses against potential threats. Through collaboration and customized strategies, BitLyft continues to support the client’s long-term cybersecurity goals, providing peace of mind in an ever-evolving threat landscape. 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