A Regional Law Firm Hardens its Client Data Infrastructure Against Credential Attacks
Sector: Legal & Professional ServicesA 22-person conveyancing firm was operating on a flat network with shared administrator credentials and no multi-factor authentication on its case management system. Following a phishing simulation, 68% of staff clicked a credential-harvesting link. We designed and deployed a zero-trust network architecture: network segmentation by department, role-based access control (RBAC), MFA enforcement, and a SIEM dashboard for real-time threat monitoring. A subsequent phishing simulation registered a 4% click-through rate.
The Verizon DBIR 2024 identifies credential theft as the leading attack vector in 86% of breaches in professional services. The NCSC attributes 80% of successful attacks to the absence of basic controls — MFA, access management, and network segmentation. ↗ Verizon DBIR 2024 · ↗ NCSC 10 Steps to Cyber Security