Current Installed Architecture COUNTY SYSTEMS

Systems deployed by Northampton County Government (norcopa.gov)

⚠️ Note: This documents the county's actual infrastructure. For proposed improvements, see Proposed Architecture.

8
Core Systems
62
Web Components
5
External Integrations
12
Known CVEs

Core Enterprise Systems

Tyler Enterprise ERP
Tyler Technologies
Active
Version
2023.2
Deployment
On-Premise
Modules
Finance, HR, Tax
Users
~200
Known Vulnerabilities
CVE-2019-6692
View Details →
ESRI ArcGIS Enterprise
Esri Inc.
Needs Update
Version
10.9.1
Deployment
Hybrid Cloud
Layers
45+ Map Services
Parcels
~120,000
Known Vulnerabilities
CVE-2025-2538 CVE-2024-25693 CVE-2024-25692
View Details →
ES&S ExpressVote XL
Election Systems & Software
Legacy
Version
v1.0.0.2
Deployment
Air-Gapped
Units
500+
Certified
PA DoS
Known Vulnerabilities
Physical Access Supply Chain
View Details →
Microsoft Active Directory
Microsoft Corporation
Active
Version
Server 2019
Domain
NORCOPA
DCs
4 Controllers
Objects
~3,000
Known Vulnerabilities
CVE-2020-1472 CVE-2021-42278
View Details →
Cisco Network Infrastructure
Cisco Systems
Active
Switches
Catalyst 9300
Routers
ISR 4000
VLANs
25+
Sites
12 Locations
View Details →
NAC Digital Twin Portal
thomasfrumkin.com (Proposed)
PROPOSED
Pages
62 HTML
MCP Tools
52 Tools
Framework
ISA-95
Protocols
MQTT, OPC-UA

→ View Proposed Architecture

Infrastructure Layers

Network

Cisco Catalyst 9300
ISR 4000 Routers
ASA 5500 Firewalls
Meraki Wireless

Servers

Dell PowerEdge R740
VMware vSphere 7.0
Windows Server 2019
RHEL 8 (GIS)

Storage

Dell EMC Unity
Veeam Backup
NetApp ONTAP
AWS S3 (Archive)

Security

CrowdStrike EDR
Cisco Umbrella
Proofpoint Email
Duo MFA

Data Flow Integration

Citizens
Web Portal
NAC Portal
62 Pages
CountySuite
ERP Backend
SQL Server
Data Store
GIS Portal
ArcGIS
Parcel Viewer
Maps
Recorder
Deeds
Assessment
Tax Data

External Data Sources

Source Type Integration Refresh Status
PA Open Data Portal REST API Budget, Contracts Daily Active
ESRI ArcGIS Online Map Services GIS, Parcels Real-time Active
County Payment Portal Web Form Tax Payments Real-time Active
Fulton Bank Locations In-Person Tax Payments Manual Active
NVD CVE Database Security Feed Security Scanner Manual Active

Last Updated: January 2026

View Full ISA-95 Diagram | View Proposed Architecture