For supply chain executives, the core challenge is managing probabilistic behavior whose outputs are inherently unpredictable. For supply chain organizations where vendor agents routinely touch order management and financial reconciliation systems, a single compromised agent puts the entire partner ecosystem at risk. Supply chain leaders should insist that their organizations address three core capabilities: continuous behavioral monitoring, rapid context-rich investigation and pre-defined automated response. Supply chain leaders should expect that when an agent behaves abnormally, their security team or vendor can immediately respond by reconstructing the full context of the interaction: What data input did the vendor agent ingest? If a vendor agent begins exhibiting rogue behavior or executing unauthorized procurement tools, the damage cascades in milliseconds.