Full Report
Food and agriculture is critical infrastructure by definition – and so vital to our nation that its incapacitation or destruction could have debilitating impacts on national security, economic security, public health or safety. Over the past two decades, the threat landscape surrounding this sector has expanded far beyond biosecurity concerns and into a complex network…
Analysis Summary
# Best Practices: Securing the Food and Agriculture Sector
## Overview
These practices address the escalating threats to the food and agriculture critical infrastructure sector. The guidelines focus on mitigating risks associated with the digitization of modern farming, ransomware targeting just-in-time operations, intellectual property theft by nation-states, and the vulnerabilities inherent in legacy Operational Technology (OT).
## Key Recommendations
### Immediate Actions
1. **Enroll in Information Sharing:** Join the Food and Ag-ISAC (Information Sharing and Analysis Center) to receive real-time threat intelligence and sector-specific alerts.
2. **Audit Remote Access:** Secure digital load boards and transportation logistics software with multi-factor authentication (MFA) to prevent cargo hijacking.
3. **Implement Off-Season Patching Schedules:** Identify critical windows (outside of peak planting/harvesting) to perform system updates and maintenance.
### Short-term Improvements (1-3 months)
1. **Adopt Risk-Informed Prioritization:** Shift away from trying to patch every vulnerability. Use threat intelligence to prioritize vulnerabilities actively exploited in the wild (e.g., CISA’s KEV catalog).
2. **Network Segmentation:** Isolate legacy PLCs (Programmable Logic Controllers) and OT environments from the public-facing corporate internet to prevent lateral movement.
3. **Intellectual Property Audit:** Identify and encrypt sensitive agricultural R&D, including crop genome data and precision-farming algorithms.
### Long-term Strategy (3+ months)
1. **OT Modernization:** Develop a phased replacement plan for legacy hardware that lacks native encryption or security support.
2. **Supply Chain Resilience:** Conduct security assessments of third-party trucking carriers, freight brokers, and software vendors.
3. **AI-Driven Defense:** Implement security monitoring tools capable of detecting AI-assisted automated scanning and vulnerability discovery.
## Implementation Guidance
### For Small Organizations (Farms & Local Producers)
- **Focus on Fundamentals:** Prioritize MFA on all email and financial accounts to thwart spearphishing.
- **Manual Backups:** Maintain offline backups of critical operational data to ensure resilience against ransomware during harvest.
### For Medium Organizations (Processors & Logistics)
- **OT Monitoring:** Deploy non-intrusive monitoring tools in processing plants to detect unauthorized changes in refrigeration or chemical ratios.
- **Cargo Security:** Validate the digital identities of freight brokers before sharing shipment details to prevent physical cargo theft.
### For Large Enterprises (National Manufacturers & Ag-Tech)
- **R&D Protection:** Implement strict Data Loss Prevention (DLP) protocols around proprietary agricultural algorithms and genomic research.
- **Adversary Hunting:** Utilize ISAC data to proactively hunt for nation-state actors targeting U.S. agricultural innovation.
## Configuration Examples
- **PLC Isolation:** Configure firewalls to allow only unidirectional communication (Data Diode approach) from OT systems to IT monitoring systems, blocking all inbound traffic to the PLC.
- **Ransomware Mitigation:** Set immutable storage flags on cloud backups to ensure that even if credentials are compromised, historical data cannot be deleted or encrypted by attackers.
## Compliance Alignment
- **NIST Cybersecurity Framework (CSF):** Aligning organizational profiles to NIST standards for critical infrastructure.
- **CISA Cross-Sector Cybersecurity Performance Goals (CPGs):** Implementing baseline protections for OT and IT environments.
- **FSMA (Food Safety Modernization Act):** Ensuring digital security measures support physical food safety requirements (e.g., temperature control).
## Common Pitfalls to Avoid
- **"Emergency" Patching During Peak Season:** Avoid taking critical processing lines offline during harvest, which can cause more economic damage than the threat itself; use compensating controls instead.
- **Neglecting Legacy Systems:** Assuming that because a PLC is old or "analog-adjacent," it is not a target.
- **Over-reliance on Connectivity:** Implementing IoT/Smart farming tools without verifying the manufacturer's security update policy.
## Resources
- **Food and Ag-ISAC:** [https://foodandag-isac.org] (Defanged: hxxps[://]foodandag-isac[.]org)
- **CISA Known Exploited Vulnerabilities (KEV) Catalog:** [https://www.cisa.gov/known-exploited-vulnerabilities-catalog]
- **Verisk CargoNet (Logistics Security):** [https://www.cargonet.com]