👥 External Stakeholder Registry Management Comprehensive Regulatory Relationship Tracking and Stakeholder Engagement Purpose This skill defines systematic external stakeholder management for identifying, classifying, and maintaining relationships with regulatory bodies, customers, partners, and other external parties who have interest or influence in information security practices. Stakeholder management ensures transparent communication, regulatory compliance, and coordinated incident response with external entities. Based on the External Stakeholder Registry from Hack23 AB's ISMS framework…