Technical Guides
Deep, expert-led guides covering guest WiFi, analytics, captive portals, and modern venue technology. Each guide includes diagrams, worked examples, and audio podcasts.
209 guides
Enterprise WiFi Solutions: A Buyer's Guide
A comprehensive, vendor-agnostic technical reference for IT managers and CTOs evaluating enterprise WiFi solutions. Covers hardware architecture, cloud management, security standards, and the strategic deployment of guest WiFi and analytics to drive ROI.
How to Monitor WiFi Network Traffic: A Guide for IT Teams
This technical guide provides actionable strategies for monitoring enterprise WiFi traffic, focusing on architecture, security, and performance. It equips IT teams in hospitality, retail, and public sectors with the frameworks needed to deploy scalable, secure network monitoring solutions.
WiFi Network Segmentation: VLANs, SSIDs and Guest Traffic
This authoritative guide explores the critical role of WiFi network segmentation using VLANs and multiple SSIDs. It provides actionable implementation strategies for IT leaders across hospitality, retail, and public sectors to secure networks, isolate guest traffic, and ensure compliance without sacrificing performance.
BYOD WiFi Security: How to Safely Let Personal Devices on Your Network
A pragmatic, vendor-neutral guide for IT leaders on securing BYOD WiFi access. It covers the implementation of 802.1X authentication, MDM integration, and strict network segmentation to protect corporate assets while enabling personal devices.
Passwordless WiFi: What It Is and How to Implement It
This technical reference guide provides network architects and IT managers with a comprehensive blueprint for transitioning from vulnerable shared passwords to secure, certificate-based WiFi authentication. It covers 802.1X architecture, EAP-TLS deployment strategies, PKI management, and the measurable business impact of reducing helpdesk overhead while enhancing enterprise security posture and compliance readiness.
What Is PKI? How Public Key Infrastructure Powers WiFi Security
This authoritative technical reference guide explains Public Key Infrastructure (PKI) and its critical role in securing enterprise WiFi networks across hospitality, retail, and public-sector venues. Designed for IT managers, network architects, and CTOs, it provides actionable guidance on certificate-based authentication, IEEE 802.1X deployment with EAP-TLS, and how Purple's platform leverages these standards for scalable, compliant connectivity. Readers will leave with a concrete deployment roadmap, real-world case studies, and a clear understanding of how PKI eliminates the vulnerabilities of shared-secret WiFi.
Personal Area Networks (PANs): Technologies, Applications, Security, and Future Trends
This authoritative technical reference guide covers the architecture, deployment, and security of Personal Area Networks (PANs) for enterprise environments, examining Bluetooth Low Energy, Zigbee, NFC, and Ultra-Wideband in detail. It provides actionable guidance for IT managers and network architects managing high-density venues such as hotels, retail chains, stadiums, and healthcare facilities. The guide addresses RF spectrum management, network segmentation, compliance requirements, and emerging PAN trends to help senior IT leaders make informed deployment decisions.
802.11ac (WiFi 5): A Technical Deep Dive into Features, Performance, and Deployment Strategies
This comprehensive technical guide provides a deep dive into the 802.11ac (WiFi 5) standard, detailing its architecture, performance characteristics, and practical deployment strategies. It equips IT managers and network architects with the knowledge required to optimise existing infrastructure, manage high-density environments, and make evidence-based decisions regarding future upgrades.
Streamlining User Onboarding for Secure Network Access
This guide provides a comprehensive technical reference for IT managers, network architects, and venue operations directors on how to streamline user onboarding for secure network access. It covers the full authentication stack — from self-service captive portals and identity federation to IEEE 802.1X, WPA3, RADIUS, and OpenRoaming — with practical deployment guidance for hospitality, retail, events, and public-sector environments. The guide addresses GDPR and PCI DSS compliance requirements, role-based access control, and MAC caching strategies, equipping teams to reduce onboarding friction and administrative overhead without compromising security posture.
Mitigating RADIUS Vulnerabilities: A Security Hardening Guide
This guide provides a comprehensive, actionable reference for IT managers, network architects, and CTOs responsible for enterprise WiFi infrastructure across hospitality, retail, events, and public-sector environments. It covers the full attack surface of RADIUS server deployments — from MD5 collision vulnerabilities and weak shared secrets to unencrypted UDP transport and misconfigured EAP methods — and delivers a prioritised hardening roadmap aligned with IEEE 802.1X, PCI DSS, and GDPR requirements. Organisations that implement these recommendations will materially reduce their exposure to credential-based network attacks, meet compliance obligations, and build a defensible security posture for their guest and corporate WiFi infrastructure.
Captive Portal Customization and Security Best Practices
This guide provides a comprehensive technical reference for IT managers, network architects, and CTOs deploying captive portals across hospitality, retail, events, and public-sector environments. It covers the full deployment lifecycle — from VLAN architecture and authentication method selection through to GDPR compliance, portal hijacking prevention, and backend integration. Organisations that implement these practices will reduce security risk, achieve regulatory compliance, and transform guest Wi-Fi into a measurable business asset.
Zero Trust Network Access: Implementation Strategies and Best Practices
This technical reference guide provides IT leaders and network architects with a pragmatic blueprint for Zero Trust Network Access (ZTNA) implementation in enterprise venues. It covers core architecture, microsegmentation strategies, and step-by-step deployment methodologies to secure complex environments without disrupting operations.
Troubleshooting Windows 11 802.1X Authentication Issues
This technical reference guide provides a definitive diagnostic and remediation path for Windows 11 802.1X authentication failures. It details how OS upgrades disrupt certificate trust chains and Credential Guard enforcement, offering actionable GPO configurations and architectural best practices for enterprise IT teams.
Securing Guest WiFi Networks: Best Practices and Implementation
This authoritative technical reference guide outlines the architecture, authentication, and operational controls required to deploy secure enterprise guest WiFi. It provides actionable best practices for IT leaders to enforce network segmentation, manage bandwidth, and ensure compliance while maximizing data capture.
Implementing 802.1X Authentication on Mobile Devices
This comprehensive guide provides IT leaders with a technical blueprint for implementing 802.1X authentication on iOS and Android devices. It covers architecture, EAP method selection, MDM provisioning, and troubleshooting to ensure secure, scalable mobile network access.
Implementing WPA3-Enterprise for Enhanced Wireless Security
This technical reference guide provides a comprehensive, actionable roadmap for IT leaders transitioning from WPA2 to WPA3-Enterprise. It covers the architectural shifts, mandatory security enhancements like EAP-TLS and PMF, and practical deployment strategies to secure corporate networks across complex enterprise environments.
WiFi Certificate Authentication: How Digital Certificates Secure Wireless Networks
This authoritative guide details how X.509 digital certificates and EAP-TLS replace vulnerable passwords in enterprise WiFi. It provides network architects and IT managers with practical implementation steps, PKI architecture design, and business ROI analysis.
The Most Secure Method of WiFi Authentication: A Comparison
This technical reference guide provides a definitive ranked comparison of WiFi authentication methods — from the deprecated WEP standard through to EAP-TLS certificate-based authentication — helping IT managers, network architects, and CTOs at enterprise venues make informed, compliance-aligned security decisions. It covers the technical architecture of each protocol, real-world deployment scenarios in hospitality and retail, and practical implementation guidance for organisations operating under PCI DSS and GDPR obligations. For venue operators and IT teams, this guide translates complex cryptographic standards into actionable deployment decisions with measurable business outcomes.
WPA2 vs. 802.1X: What's the Difference?
This guide demystifies the relationship between WPA2 encryption and the IEEE 802.1X authentication framework — two complementary standards that are frequently conflated in vendor documentation and network design discussions. It provides IT directors, network architects, and venue operations leaders with a clear technical breakdown of how these protocols interact, practical deployment strategies across hospitality, retail, and public-sector environments, and actionable guidance on compliance, risk mitigation, and guest WiFi integration.
WPA-PSK Explained: What It Is, How It Works, and Its Security Risks
This authoritative technical reference breaks down the mechanics of WPA-PSK — its 4-way handshake, cryptographic architecture, and inherent security vulnerabilities — and explains precisely why enterprise networks must transition to robust 802.1X or managed captive portal architectures. It provides actionable deployment guidance for IT leaders managing complex venue environments across hospitality, retail, events, and public-sector organisations.
EAP-TLS vs. PEAP: Which Authentication Protocol Is Right for Your Network?
A comprehensive technical comparison of EAP-TLS and PEAP authentication protocols, covering security architecture, deployment complexity, and compliance implications. This guide provides actionable decision frameworks for IT leaders in hospitality, retail, events, and public-sector environments who need to select the right 802.1X authentication method for their enterprise WiFi infrastructure.
What Is PEAP Authentication? How PEAP Secures Your WiFi
This authoritative guide breaks down PEAP authentication for enterprise WiFi networks, detailing its architecture, security limitations compared to EAP-TLS, and practical deployment strategies. Designed for IT managers and network architects, it provides actionable insights on when PEAP-MSCHAPv2 remains appropriate and how to secure it against modern threats.
What Is EAP-TLS? Certificate-Based WiFi Authentication Explained
This guide provides a comprehensive technical reference on EAP-TLS (Extensible Authentication Protocol with Transport Layer Security), the most secure 802.1X authentication method available for enterprise WiFi. It covers the X.509 certificate infrastructure required, the mutual authentication handshake, and practical deployment patterns for hospitality, retail, healthcare, and public-sector environments. IT managers, network architects, and CTOs will find actionable guidance on PKI design, MDM-integrated certificate provisioning, RADIUS configuration, and compliance alignment with PCI DSS and GDPR.
What Is RADIUS? How RADIUS Servers Secure WiFi Networks
This authoritative technical reference guide explains how RADIUS (Remote Authentication Dial-In User Service) underpins enterprise WiFi security through the IEEE 802.1X framework, covering architecture, deployment, and compliance. Designed for IT managers, network architects, and venue operations directors, it provides actionable guidance on moving from shared Pre-Shared Keys to per-user authentication with dynamic policy enforcement. The guide also maps RADIUS integration points to Purple's guest WiFi and analytics platform, with concrete case studies from hospitality and retail environments.
