Technical Guides
Deep, expert-led technical guides on guest WiFi, analytics, captive portals, and venue technology.
Ready to move from research to rollout? See how Purple's captive portal software handles branded guest sign-in, analytics, and compliance in one platform.
341 guides

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 802.1X Authentication? How It Works and Why It Matters
A comprehensive technical reference guide for IT managers and network architects on IEEE 802.1X authentication. This guide covers the underlying architecture, implementation strategies, security benefits over PSK, and how to effectively deploy enterprise-grade access control alongside guest WiFi solutions.

WPA3 Security Guide: SAE, OWE, Enterprise 192-Bit Mode & PMF Explained
Learn how WPA3 WiFi security upgrades network protection with SAE, OWE, Protected Management Frames (PMF), and WPA3-Enterprise 192-bit mode.

WPA, WPA2 and WPA3: What's the Difference and Which Should You Use?
This authoritative technical reference guide explores the architectural differences between WPA, WPA2, and WPA3 security protocols. It provides actionable deployment recommendations for IT managers and network architects to secure enterprise and guest WiFi environments while ensuring compliance and optimal performance.

WPA2 Enterprise: The Complete Guide
This guide provides a comprehensive technical reference for WPA2-Enterprise, covering 802.1X architecture, EAP method selection, and phased deployment strategies for enterprise environments. It is designed for IT managers, network architects, and venue operations directors who need to move beyond shared-key WiFi to a scalable, auditable, and compliance-ready authentication model. Purple's platform is positioned as a practical identity management layer for venues deploying secure guest and staff WiFi at scale.

What Is WiFi Security? A Complete Guide to Wireless Network Security
A comprehensive technical reference for IT leaders on securing enterprise wireless networks. This guide covers the evolution of encryption protocols, architectural best practices for segmentation, and defense strategies against common WiFi threats.

The 10 Best WiFi Splash Page Examples (And What Makes Them Work)
A technical reference guide for IT managers, network architects, and venue operations directors covering the design, architecture, and deployment of high-converting WiFi splash pages. The guide analyses 10 real-world implementation strategies across hospitality, retail, events, and public-sector environments, with specific guidance on authentication methods, GDPR compliance, walled garden configuration, and MAC randomization mitigation.

WiFi Guest Portal: What It Is and How to Optimise It
This authoritative guide details the architecture, implementation, and optimisation of WiFi guest portals. It provides actionable strategies for IT leaders to increase login completion rates, ensure GDPR compliance, and capture high-quality first-party data.

How to Create a Custom WiFi Login Page for Your Brand
This guide provides a comprehensive, implementation-ready reference for IT managers, network architects, and venue operations directors on how to create a fully branded guest WiFi login page - covering captive portal architecture, HTML/CSS customisation, GDPR compliance, and data capture strategy. It moves from technical foundations through to real-world deployment scenarios in hospitality and retail, with measurable business outcomes at each stage. For organisations running Purple's guest WiFi platform, the guide maps directly to the platform's portal builder, analytics, and consent management capabilities.

Guest WiFi Providers: What to Look for When Choosing a WiFi Platform
This technical reference guide provides IT leaders, network architects, and venue operations directors with a definitive framework for evaluating and deploying enterprise guest WiFi platforms. It covers critical architecture standards (IEEE 802.1X, WPA3, GDPR, PCI DSS), integration requirements, and deployment best practices across hospitality, retail, and public-sector environments. The guide demonstrates how modern guest WiFi providers transform connectivity from a cost centre into a strategic data acquisition and revenue-generating asset.

Guest WiFi Use Cases: How Different Industries Are Using Free WiFi
A comprehensive technical reference for IT leaders on deploying guest WiFi as a strategic data acquisition and analytics platform. This guide covers architecture, industry-specific use cases, and best practices for transforming connectivity into measurable business value.

Why Your Business Should Offer Free WiFi to Customers
This comprehensive technical reference guide outlines the commercial and architectural rationale for offering guest WiFi in physical venues. It provides IT leaders and venue operators with actionable insights on deployment strategies, network segmentation, compliance, and ROI measurement.

How to Create a Guest WiFi Login Page
This authoritative guide details the technical architecture, UX best practices, and CRM integration strategies for deploying a branded guest WiFi login page (captive portal) in enterprise venues. Designed for IT managers, network architects, and venue operations directors, it provides actionable frameworks for balancing data capture requirements with user friction, ensuring GDPR compliance, and maximising ROI from guest WiFi infrastructure.

How Does Guest WiFi Work? A Plain-English Explainer
A definitive, plain-English technical reference on enterprise guest WiFi architecture. This guide unpacks the mechanics of network isolation, captive portal authentication, and session management, providing IT leaders with actionable strategies for secure, compliant, and data-rich deployments.

Guest WiFi for Restaurants: Attract, Retain and Market to Diners
This guide details how restaurant IT managers and operations directors can transform guest WiFi from a cost centre into a measurable revenue channel. It covers network architecture, splash page optimisation, data capture compliance, and ROI attribution.

What Is the Difference Between a Guest WiFi Network and Your Main Network?
This technical reference guide explains the architectural differences between guest and corporate WiFi networks, focusing on VLAN segmentation, authentication models, and security best practices for enterprise environments.

Guest WiFi Best Practices: Security, Performance and Compliance
This comprehensive guide outlines the critical operational decisions required to deploy a secure, high-performing guest WiFi network across enterprise venues. It provides actionable frameworks for network segmentation, authentication, bandwidth management, and regulatory compliance - covering PCI DSS, GDPR, and IEEE 802.1X - to help IT teams mitigate risk and deliver measurable business value. Purple's guest WiFi and analytics platform is referenced throughout as a concrete implementation vehicle for each best practice.
Got questions about your specific setup?
Our team works with venue operators, IT managers, and network engineers across 80,000 venues. Book a 20-minute call and we will show you how others like you solved it.