Transformation and Migration of Data Loss Prevention (DLP) Rules
Driss Mazhar
Cybersecurity
Overview
Led a comprehensive project to modernize and migrate Data Loss Prevention (DLP) capabilities for a major French bank. The initiative focused on transitioning from an obsolete DLP tool to Microsoft Purview DLP, ensuring enhanced data security and regulatory compliance.
Project Scope
1) Deciphering Legacy DLP Rules
Analyzed and interpreted over 100 legacy DLP rules developed over five years in an obsolete system.
Documented and mapped these rules to understand their scope, triggers, and the underlying logic.
2) Needs Assessment and Tool Selection
Collaborated with business and IT stakeholders to assess current and future DLP needs.
Conducted a thorough evaluation, ultimately selecting Microsoft Purview DLP as the new solution.
3) Translation and Migration of DLP Rules
Successfully translated over 100 legacy DLP rules into the Microsoft Purview DLP console.
Ensured the integrity and effectiveness of the rules during the transition, considering the nuances of the new tool.
4) Comprehensive Testing and Validation
Led extensive testing phases to validate the translated rules, ensuring no data leakage or security gaps.
Fine-tuned the rules based on feedback and testing results to meet the bank’s stringent security requirements.
5) Implementation and Integration
Activated the DLP rules with full functionality, including alerts, integration with the Security Operations Center (SOC), and remediation protocols.
Developed and documented a Target Operating Model (TOM) with a clear RACI matrix, involving all relevant security and business stakeholders.
Key Achievements
Seamless Migration: Successfully migrated a complex set of legacy DLP rules without any business disruption.
Enhanced Security Posture: The new DLP system provides more robust data protection, with real-time alerts and integrated remediation processes.
Stakeholder Alignment: Achieved full alignment among security and business teams, with clearly defined roles and responsibilities.
Skills Demonstrated
Project Management: Coordinated with cross-functional teams to ensure timely delivery and successful implementation.
Technical Expertise: Demonstrated deep knowledge in DLP technologies, particularly in translating and optimizing rules for Microsoft Purview.
Change Management: Effectively managed the transition process, ensuring smooth adoption by the business.
Outcome
The project culminated in the successful activation of a modern DLP system that aligns with the bank’s security strategy and regulatory requirements. The new system provides enhanced protection for sensitive data, with a well-defined operating model that ensures ongoing compliance and proactive risk management.