--- title: "Case Study: Public Utility Cybersecurity Enhancement" description: "Public utility defeats foreign cyber attack: BitLyft's network overhaul creates robust defense. Key strategies for utility cybersecurity revealed." image: https://www.bitlyft.com/hubfs/sebastian-morelli-peyton-DVqdk8MTp2I-unsplash.jpg --- [Skip to content](https://www.bitlyft.com/resources/case-study-public-utility-cybersecurity-enhancement#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 - [What is AMDR?](https://www.bitlyft.com/solutions/what-is-amdr) - [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) - Industries Show submenu for Industries - [Banking](https://www.bitlyft.com/cybersecurity-for-banks) - [Public Utilities](https://www.bitlyft.com/managed-detection-and-response-for-public-utilities) - [DoD (CMMC)](https://www.bitlyft.com/cmmc-cybersecurity-compliance) - [NIST 800 - 171](https://www.bitlyft.com/nist-800-171) - [Healthcare](https://www.bitlyft.com/healthcare-cybersecurity) - [Higher Education](https://www.bitlyft.com/higher-education-cybersecurity) - [AI Data Center Security](https://www.bitlyft.com/ai-data-center-security) - [Cybersecurity for Aerospace](https://www.bitlyft.com/cybersecurity-for-aerospace) - [Energy and Utilities](https://www.bitlyft.com/energy-utilities-cybersecurity) - [Pricing](https://www.bitlyft.com/agentic-managed-detection-response-pricing) - [Partners](https://www.bitlyft.com/partners) - Company Show submenu for Company - [About Us](https://www.bitlyft.com/about-us) - [Careers](https://www.bitlyft.com/careers) - [Contact Us](https://www.bitlyft.com/contact-us) - Resources Show submenu for Resources - [Blog](https://www.bitlyft.com/resources) - [Case Studies](https://www.bitlyft.com/case-studies) - [Downloads](https://www.bitlyft.com/downloads) - [Glossary](https://www.bitlyft.com/glossary-of-terms) - [Experienced a Breach?](https://bitlyft.com/emergency-incident-response) Open main navigation Close main navigation - Solutions Show submenu for Solutions - [BitLyft True MDR](https://www.bitlyft.com/agentic-mdr) Show submenu for BitLyft True MDR - [What is AMDR?](https://www.bitlyft.com/solutions/what-is-amdr) - [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) - Industries Show submenu for Industries - [Banking](https://www.bitlyft.com/cybersecurity-for-banks) - [Public Utilities](https://www.bitlyft.com/managed-detection-and-response-for-public-utilities) - [DoD (CMMC)](https://www.bitlyft.com/cmmc-cybersecurity-compliance) - [NIST 800 - 171](https://www.bitlyft.com/nist-800-171) - [Healthcare](https://www.bitlyft.com/healthcare-cybersecurity) - [Higher Education](https://www.bitlyft.com/higher-education-cybersecurity) - [AI Data Center Security](https://www.bitlyft.com/ai-data-center-security) - [Cybersecurity for Aerospace](https://www.bitlyft.com/cybersecurity-for-aerospace) - [Energy and Utilities](https://www.bitlyft.com/energy-utilities-cybersecurity) - [Pricing](https://www.bitlyft.com/agentic-managed-detection-response-pricing) - [Partners](https://www.bitlyft.com/partners) - Company Show submenu for Company - [About Us](https://www.bitlyft.com/about-us) - [Careers](https://www.bitlyft.com/careers) - [Contact Us](https://www.bitlyft.com/contact-us) - Resources Show submenu for Resources - [Blog](https://www.bitlyft.com/resources) - [Case Studies](https://www.bitlyft.com/case-studies) - [Downloads](https://www.bitlyft.com/downloads) - [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) October 27, 2025 # Case Study: Public Utility Cybersecurity Enhancement ![Cybersecurity in Public Utility ](https://www.bitlyft.com/hubfs/sebastian-morelli-peyton-DVqdk8MTp2I-unsplash.jpg) ![Picture of Jason Miller](https://www.bitlyft.com/hs-fs/hubfs/Headshots/JasonRound.png?width=50&name=JasonRound.png) By  Jason Miller  ·  2 minute read Background In 2018, a public utility company faced a critical cybersecurity threat that required immediate attention. The company reached out to BitLyft for assistance in addressing potential foreign threat actors detected within their network. This case study examines the challenges faced, solutions implemented, and the long-term impact of cybersecurity enhancements made by BitLyft.   **![Screenshot 2024-09-27 at 7.39.33 PM](https://www.bitlyft.com/hs-fs/hubfs/Screenshot%202024-09-27%20at%207.39.33%20PM.png?width=403&height=662&name=Screenshot%202024-09-27%20at%207.39.33%20PM.png)** Solution Implementation BitLyft took a comprehensive approach to address the immediate threat and improve the overall security posture: 1. *Rapid Response:* The team immediately deployed to the client's site, working late into the night to conduct a thorough threat assessment and began addressing the threat. 2. *Network Monitoring:* Multiple network monitors were deployed to identify and analyze traffic patterns, particularly focusing on outbound communications to foreign country network activity. 3. *Threat Containment*: The team worked to identify and obliterate the malicious outbound traffic to the foreign country.   **Network Restructuring: ** The network restructuring involved a comprehensive overhaul of the firewall architecture and policies, coupled with the implementation of VLANs (Virtual Local Area Network) and switch configurations for improved segmentation. The team remediated compromised endpoints and servers, eliminating threatening malware. Beyond these immediate improvements, ongoing support included strategic planning sessions for future network expansion and security enhancement, ensuring long-term resilience of the infrastructure. **Results and Long-term Impact** The implementation of these cybersecurity measures resulted in several positive outcomes: 1. **Enhanced Security Posture:** The redesigned network architecture significantly improved the overall security of the utility company. 2. **Reduced Vulnerabilit*y:*** Network segmentation minimized the potential impact of future security incidents. 3. **Improved Incident Response:** In the event of a future attack, the new structure allows for quicker containment and reduced spread across the network. 4. **Increased Confidence:** The client gained assurance that their network was built with a security-first mindset, capable of supporting future growth and expansion. 5. **Decreased Incident Frequency:** The client experienced a notable reduction in security incidents following the implementation. **Key Takeaways** 1. **Proactive Approach:** Immediate on-site response and thorough analysis were crucial in addressing the active threat. 2. **Modernization is Critical:** Outdated network architectures in public utilities can pose significant security risks and require comprehensive updates. 3. **Collaboration is Key:** Close cooperation between the BitLyft team and the client's team ensured successful implementation and knowledge transfer. 4. **Long-term Partnership:** Ongoing support and consultation helped the client maintain and improve their security posture over time. **Industry Insights** The utility sector is grappling with a digital time warp. Many companies rely on legacy infrastructure that's severely outdated, particularly in their SCADA systems. This aging technology isn't just a drag on efficiency; it's a glaring security risk. The industry urgently needs a substantial upgrade, but it's not merely about acquiring the latest technology. Basic security practices are often overlooked, with critical systems still guarded by default passwords - the digital equivalent of leaving your front door wide open.  **Recommendations for Public Utilities** - Implement SIEM / Log Management with an MDR  - Implement Real-time monitoring across all IT systems. - Implement next-generation firewalls and keep them updated. - Utilize network segmentation through VLANs for different sectors of water and power systems. - Ensure SCADA systems and Modbus protocols do not use default passwords. - Regularly assess and update network architecture to align with current cybersecurity best practices. - Foster ongoing partnerships with cybersecurity experts for continuous improvement and support. - Follow NIST Framework and MITRE ATT&CK® Framework for guidelines.  \-------------------------------------------------------------------------- This case study demonstrates the importance of rapid response, comprehensive network restructuring, and ongoing support in addressing cybersecurity challenges in the public utility sector. By implementing modern security practices and maintaining vigilance, utilities can significantly enhance their resilience against cyber threats. 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