Risk Ledger is a network-first platform delivering Active Supply Chain Security (ASCS). It replaces outdated, siloed third-party risk management with a connected network model where organisations and suppliers share standardised security data, creating a common language of risk. This reveals hidden concentration risks, nth-party dependencies, and emerging threats - turning fragmented assurance into a living, collaborative network. By enabling the supplier ecosystem to detect and respond together, Risk Ledger transforms isolated defence into collective resilience, empowering organisations to Defend-as-One. Because in supply chain security, every link matters.