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Harry Yelland

Harry holds a BSc (Hons) in Computer Science from the University of East Anglia and serves as a Cybersecurity Writer here at Netify, providing expertise in SD-WAN and SASE architectures.

📍 Norwich, UK

Beyond Failover: Why Retailers Need "Active-Active" SD-WAN (Not Just 4G Backup)

When internet connectivity fails at a retail location, the impact can be catastrophic – in stores during peak hours, a five minute outage can result in abandoned trolleys and lost sales.

Retail SD-WAN & PCI DSS: A Technical Guide to Reducing Audit Scope via Segmentation

Traditional flat network architectures leave every device "in scope" for audit, creating compliance headaches and exposing payment data to lateral movement attacks. Find out how SD-WAN fixes that.

Leveraging SASE to Detect Lateral Movement and Insider Threats

Businesses that utilise hybrid networks often have blind spots where lateral movement and insider threats can go undetected. However, through SASE’s unification of networking and security, these businesses can enforce identity-driven access control.

SD-WAN RFP Questions: Complete Guide with Copy-Paste Examples

This guide provides an SD-WAN RFP template that you can adapt for your business' needs, alongside a deeper framework based on Netify's own 20 pillar SD-WAN and SASE RFP framework. This template not only helps you ask the right questions but guides you on how to compare vendors.

20 Questions That Expose SASE Vendor Weaknesses | Netify

The 20 SASE RFP Questions That Vendors Hate in 2025 (And Why They're Actually Really Important)

How to Use the Netify SASE RFP Builder App - Step-by-Step Guide

In this article, we'll cover what makes a good RFP and how you can use the Netify RFP builder to generate an in-depth RFP that covers all your business needs, quickly and efficiently.

SASE RFP Questions: Free Download + Customisation Guide

To assist with prourement, this article provides the 87 vendor-neutral questions across 12 different categories, all of which are based on real SASE deployments.

What SD-WAN Vendor Should UK Manufacturers Choose?

The manufacturing sector faces many networking challenges, including high reliability and uptime requirements, integrations with legacy systems, support for geographically dispersed locations and ensuring strict security is enforced. As network downtime can lead to financial loss, halts in production and disruptions to supply chains, it is essential for manufacturers to

Managed vs. DIY SD-WAN: Finding the Right Approach for Your Business

Choosing between Managed, DIY, or Co-Managed SD-WAN depends on your business's expertise, budget, and need for control, scalability, and security. Businesses typically look to reduce the Total Cost of Ownership (TCO) whilst improving the speed, scalability and flexibility of their network connections. One way for businesses

How Does SD-WAN Help Today’s IoT?

SD-WAN enhances IoT by improving security, performance, scalability, and simplifying deployment, enabling seamless integration of growing device networks. Since the start of the 2010s, there has been a growing demand for Internet of Things (IoT) devices and integrations. IoT devices, often coming in the form of sensors and smart