Infrastructure & Security Modernization
Most infrastructure and security projects don’t fail because of technology — they fail because the underlying network was never validated.
D3 Infrastructure modernizes networks and physical security systems so upgrades are predictable, supportable, and aligned with how the business actually operates.
Our Approach
Phase 1 — Network Readiness & Risk Elimination
Before anything is installed, we validate that the environment can support it.
- As-built network discovery
- Switch, uplink, and PoE capacity validation
- VLAN and segmentation design (Corporate, Security, OT)
- QoS and traffic behavior review
- Firewall throughput and rule analysis
- Cabling and physical layout review
Outcome:
The network is either proven ready — or deficiencies are identified before they cause problems.
Phase 2 — Deployment & Modernization
Once readiness is confirmed, we modernize infrastructure where it actually makes sense.
- Network switching and firewall upgrades
- Physical security systems (cameras, access control, sensors)
- Clean segmentation between systems
- Planned cutovers with minimal disruption
Outcome:
Infrastructure and security systems work together instead of competing for resources.
Phase 3 — Validation & Handoff
- Performance and failover validation
- Security system validation
- Documentation and diagrams
- Administrative handoff
Outcome:
A stable, predictable environment that’s easy to support.
Industrial / OT-Adjacent Infrastructure
We work in environments where uptime, determinism, and change control matter.
- Plant network remediation
- IT / OT segmentation
- Deterministic traffic design
- Network readiness for automation systems
- Security deployments that won’t disrupt production
We do not program PLCs or modify control logic — we focus on infrastructure so automation systems can operate reliably.
Platforms We Commonly Deploy
Cisco • Cisco Meraki • Verkada • Microsoft • Veeam • SentinelOne • Level365
Vendor-agnostic by design. Reliability comes first.