Systems dossier · DR-05

When the lie closes the loop

A control system does not act once. It senses, decides, acts, and senses again. The attack succeeds when corrupted commands and corrupted evidence reinforce one another.

FarmCore compromised feedback loop Compare the trusted cycle with the exploit path.
DIGITAL DECISION PATH PHYSICAL RESPONSE PATH CERTIFICATE AUTHORITY identity + policy trust SENSOR ARRAY reported environment SITE GATEWAY cloud ↔ edge bridge MODEL TRAIN + SERVE recipe optimization SAFETY KERNEL V1 limits + shadow test ACTUATORS light + climate + feed CROP ENVIRONMENT biology receives command
Open the complete feedback schematicCloud, gateway, edge, logging, and exploit links.

The circular exhibit emphasizes causality. This technical record preserves the complete component topology.

flowchart TB subgraph CLOUD[FarmLytics Cloud] ING[Ingestion] ML[Model Train and Serve] PKI[Compromised CA - spoofed certs] end subgraph SITE[Site Gateway] GW[Gateway] LOG[Immutable Log] end subgraph EDGE[Edge - FarmCore] SK[Safety Kernel v1] ACT[Actuators - LEDs and Nutrients] SENS[Sensors] end SENS --> GW GW --> ING ING --> ML ML -->|poisoned recipe| GW PKI -.->|false trust| GW GW --> SK SK -->|shadow test passed - spoofed| ACT ACT -->|environment change| SENS SK --> LOG GW --> LOG ING --> LOG %% Styles classDef edge fill:#12313d,stroke:#4fc8ff,color:#e8eef5; classDef site fill:#1a2430,stroke:#4fc8ff,color:#e8eef5; classDef cloud fill:#2b2016,stroke:#ffb35a,color:#e8eef5; class SENS,SK,ACT edge; class GW,LOG site; class ING,ML,PKI cloud; %% Exploit path highlight linkStyle 7 stroke:#ff4b3e,stroke-width:2px linkStyle 8 stroke-dasharray:3 3,stroke:#ff4b3e linkStyle 9 stroke:#ff4b3e,stroke-width:2px linkStyle 10 stroke:#ff4b3e,stroke-width:2px