Defx Cyber Labs - Case Studies

Breach Response: Analyzing a Supply Chain Attack on a Retail Giant

CYBER SECURITY

This case study chronicles Defx Cyber Labs’ response to a real-world supply chain breach targeting a major retail corporation in 2024. The attack originated from a compromised third-party vendor, exploiting unpatched software to infiltrate the retailer’s payment systems. Our forensic investigation revealed a sophisticated malware payload designed to exfiltrate customer data. Attack analysis pinpointed spear-phishing as the initial vector, targeting vendor employees with tailored emails. We traced the malware’s command-and-control servers across multiple countries, uncovering a coordinated cybercrime syndicate. The breach affected over 2 million customer records, necessitating swift containment measures. Our team deployed endpoint detection tools and isolated affected systems within hours. Forensic evidence was preserved for legal proceedings, identifying critical vulnerabilities in the supply chain. Post-incident, we implemented enhanced monitoring and vendor security protocols. This case underscores the importance of proactive attack analysis and rapid forensic response.

Forensic Investigation: Unraveling a Data Breach in a Healthcare Network

CYBER SECURITY

This case study details Defx Cyber Labs’ forensic investigation into a significant data breach at a regional healthcare provider in 2023. The breach exposed sensitive patient records after attackers exploited a misconfigured cloud server. Our analysis identified the entry point as a brute-force attack on weak admin credentials. Forensic examination uncovered encrypted ransomware that had lain dormant for weeks before activation. We performed a deep dive into system logs, revealing lateral movement across the network via stolen credentials. The attackers exfiltrated data to a dark web marketplace, which we tracked using advanced threat intelligence. Our team neutralized the threat by isolating infected servers and decrypting critical files. Attack analysis highlighted insider negligence as a contributing factor, prompting staff retraining. Compliance with HIPAA was restored, avoiding hefty fines. This investigation showcases our expertise in dissecting real-world breaches and fortifying defenses.