This certifies that the participant has successfully completed Operation Nexus Collapse, demonstrating competence across Kerberos abuse, trust exploitation, cross-domain and cross-forest attack paths, Active Directory security assessment, MSSQL exploitation, and foundational Sliver C2 operational capabilities. The workshop validated proficiency in independently assessing the resilience of a multi-domain, multi-forest environment and in achieving multi-forest compromise by exploiting Kerberos-related misconfigurations. Validated Competencies - Proficiency in Kerberos-focused offensive techniques and supporting tooling - Ability to assess and exploit MSSQL database security weaknesses - Execution of intra‑forest and cross‑forest attack paths - Application of core credential-access and lateral movement methods - Baseline understanding of ICS architecture - Operational capability with Sliver C2, including Armory usage and operator alias management