12 locations
Scope
0 audit findings
Key result
6-week delivery
Delivery
Challenge
A 12-location medical group was running a flat network with no segmentation between clinical systems and administrative workstations. An internal audit flagged critical HIPAA exposure — patient data was accessible from any device on the network.
Solution
Designed and implemented a fully segmented network architecture using VLANs and zone-based firewall policies. Deployed next-gen firewalls at each location with centralized management. Established dedicated clinical, administrative, and guest zones with strict inter-zone ACLs.
Results
- Passed HIPAA security audit with zero findings
- Eliminated lateral movement risk across all 12 locations
- Reduced firewall rule count by 60% through policy cleanup
- Deployed in 6 weeks with zero clinical downtime
Palo Alto · Cisco Catalyst · VLAN segmentation · IPSec VPN
8 branches
Scope
99.97% uptime
Key result
42% cost reduction
Delivery
Challenge
A regional bank with 8 branches was running aging MPLS circuits with frequent outages and no failover. Branch connectivity averaged 99.1% uptime — well below the 99.9% required by their regulators and core banking vendor.
Solution
Designed and deployed a Cisco Viptela SD-WAN overlay across all 8 branches, replacing MPLS with dual-ISP broadband and 4G LTE failover. Implemented application-aware routing to prioritize core banking traffic and QoS policies for VoIP.
Results
- Uptime improved from 99.1% to 99.97% within 90 days
- Monthly WAN costs reduced by 42%
- Core banking application latency reduced by 35%
- Failover time reduced from 4 minutes to under 8 seconds
Cisco Viptela SD-WAN · Dual-ISP · 4G LTE failover · QoS
3 VPCs unified
Scope
68% latency reduction
Key result
Zero-downtime cutover
Delivery
Challenge
A growing SaaS company had migrated workloads to AWS but was routing all traffic through a single site-to-site VPN — creating a bottleneck that caused latency spikes during peak usage and a single point of failure for their production environment.
Solution
Designed a redundant hybrid architecture using AWS Direct Connect with BGP failover to an IPSec VPN backup. Implemented AWS Transit Gateway to consolidate connectivity across three VPCs. Established routing policies to keep latency-sensitive traffic on Direct Connect.
Results
- Peak-hour latency reduced by 68%
- Eliminated single point of failure with automatic BGP failover
- Consolidated 3 separate VPN tunnels into a single Transit Gateway
- Full documentation and runbooks delivered at project close
AWS Direct Connect · Transit Gateway · BGP · IPSec VPN
100% OT isolation
Scope
Zero production downtime
Key result
Passed ICS audit
Delivery
Challenge
A mid-size manufacturer had their operational technology (OT) systems — PLCs, SCADA, and industrial controllers — on the same network as corporate IT. A ransomware incident on a corporate workstation nearly reached production floor systems.
Solution
Designed and implemented a Purdue Model-based network architecture separating OT and IT into distinct security zones with a DMZ for controlled data exchange. Deployed industrial-grade firewalls at the IT/OT boundary with application-layer inspection for industrial protocols.
Results
- Complete OT/IT isolation achieved with zero production disruption
- Industrial protocols (Modbus, EtherNet/IP) secured at boundary
- Incident response time for OT events reduced by 70%
- Passed third-party ICS security assessment post-deployment
Purdue Model · Fortinet · OT/IT DMZ · Modbus · EtherNet/IP
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