By Chris Thomas | 3 June 2026
If your network feels harder to manage than it did a year ago, you are not imagining it. The demands of hybrid working, cloud-first infrastructure and an evolving cyber threat landscape are pushing many networks to their limits.
In 2025, we highlighted the top five networking challenges facing IT managers. In 2026, those same pressures are colliding with rising complexity and AI-driven change, creating a new set of risks for organisations that are not prepared.
Here, we outline the five biggest networking challenges IT managers face in 2026 and the practical steps you can take to stay secure, resilient and in control.
Enterprise networks now stretch across cloud services, on-prem infrastructure, SaaS platforms, edge locations and remote users. Each element may work in isolation, but together they create an environment that is fragmented, fragile and increasingly difficult to manage.
Fragmentation has real consequences. Around 70 percent of digital transformation initiatives fail to meet their objectives, with value often lost in complex, disconnected legacy systems. In this environment, complexity is no longer just an operational issue, it amplifies risk and increases the impact of failure.
The answer is simplification by design. Organisations making progress are consolidating networking and security through SASE and SSE, reducing bloated multi-vendor estates and moving away from point solutions towards platform-based architectures.
AI is reshaping enterprise networking on two fronts. AI-driven workloads are driving up traffic volumes and latency demands, while AI-powered automation is transforming how networks are run.
By 2026, many organisations are moving towards no human in the loop operations for routine tasks. AI-native platforms already manage troubleshooting, optimisation and remediation in real time. The challenge is no longer what the technology can do, but whether teams have the skills and confidence to trust it.
Organisations closing this gap are taking a structured approach. They are adopting AIOps and AI-native platforms, building AI literacy across IT teams and introducing automation in controlled, measurable stages.
This shift from reactive support to predictive operations is becoming a defining characteristic of more resilient network environments.
Hybrid working and cloud-first strategies mean access can originate from anywhere, exposing the limits of perimeter-based security.
Gartner predicts that 70% of new remote access deployments will rely on Zero Trust Network Access instead of legacy VPNs, underlining how quickly Zero Trust is becoming the norm. As AI-driven cyber attacks continue to accelerate, organisations can no longer rely on outdated access models.
Security must be built into the network itself, with access decisions based on identity, device posture and real-time context. A ZTNA-first approach, combined with SASE, enables consistent protection across users, locations and environments.
This convergence of networking and security underpins modern Managed Security models, where protection is delivered through the platform rather than bolted on after the fact.
For many organisations, 2026 is a year of unavoidable refresh decisions. Wi‑Fi 7 adoption is accelerating, while AI, IoT and real-time applications are pushing LAN environments to their limits.
Too often, these upgrades fail to deliver. Legacy cabling and switching constrain performance, poor six gigahertz planning undermines coverage and projects are approved without a clear business case. The result is significant investment with little measurable return.
Organisations seeing stronger outcomes take a different approach. They focus on business value rather than raw speed, aligning upgrades to real use cases and integrating LAN and wireless changes into wider WAN and cloud strategies.
Outcome-led LAN and wireless design ensures infrastructure investment supports how the business actually operates, not just what the specification promises.
As network complexity increases, IT teams are under growing pressure. Just 14% of global organisations are confident they have the internal skills needed to meet today’s cyber security landscape, driving reactive responses and limiting innovation.
Relieving that pressure requires a change in operating model. Automation and orchestration remove much of the day-to-day operational burden, while Managed Services provide access to specialist expertise without the need to scale internal teams.
Co-managed and fully managed approaches enable IT leaders to shift focus away from constant operational triage and towards strategic outcomes that move the business forward.
In 2026, the biggest networking challenge is not any single technology. It is how organisations build networks that are simpler, more secure and ready for AI, without adding yet more complexity.
Those that succeed will converge networking and security, automate wherever it delivers value and design around user experience rather than infrastructure.
At Bistech, we help IT leaders turn complexity into clarity through outcome-led design, platform-based Managed Services and long-term partnership.
Get in contact with our experts today to discuss how your network can be simplified, secured and aligned to your business goals.
Ready to tackle your networking challenges? Book a call with us today
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