Regulatory Compliance and Cybersecurity
Tetra Tech Digital Systems embeds security and resiliency from the ground up, building systems that address today’s evolving regulations and threats.
Combining decades of deep operational technology (OT) expertise with advanced cyber capabilities, we understand that protecting critical infrastructure requires far more than traditional information technology (IT) security. OT environments demand specialists who grasp the operational impact of security decisions, the complexity of legacy systems, and the constant balance between availability and protection. That perspective informs a defense-in-depth approach that layers security controls across network, physical, software, organizational, and process domains so that no single failure creates an opening across an entire operation.
From there, we apply practical safeguards tailored to the environment. Network segmentation isolates critical systems from general traffic, and a properly configured demilitarized zone (DMZ) governs how data flows between an operational environment and external networks without exposing sensitive internal resources.
We also develop data governance frameworks that define how operational data is owned, accessed, and maintained, including accountability structures, quality standards, and access controls that protect data integrity while still enabling the insights teams rely on. As regulatory requirements continue to expand, we translate those obligations into documented, manageable processes.
- Cybersecurity audits, risk mitigation, and regulatory compliance support
- Aligned with the National Institute of Standards and Technology (NIST), American Water Works Association (AWWA), Cybersecurity and Infrastructure Security Agency (CISA) Cybersecurity Performance Goals, and International Organization for Standardization (ISO)
- Secure, zero trust network design with segmentation, firewalls, and DMZs
- Governance documentation, such as security matrices, active directory (AD) policies, and change control
- IT and OT alignment with secure virtualization, redundancy, and recovery systems
- Security operations center that supports clients 24 hours a day, 7 days a week
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