Building your first UK on-prem AI cluster: step-by-step
Cloud AI training is convenient but at sustained scale (multi-week training runs, hundreds of GPUs), on-prem becomes meaningfully cheaper. UK enterprises building first on-prem AI clusters face specific decisions on hard…
AI server cooling 2026: air vs liquid vs immersion
NVIDIA H100 SXM was the last GPU generation comfortably air-cooled at rack density. H200, B100, B200, and GB200 NVL72 push thermal density beyond what air can manage in standard UK colocation facilities. This is the prac…
Cisco ASA to Firepower or FortiGate: a UK migration playbook
Cisco ASA is end-of-engineering for new features — the product line continues to receive security patches but Cisco directs all new investment to Firepower (Secure Firewall) and Catalyst SD-WAN. UK customers refreshing A…
Best EDR platform UK 2026: CrowdStrike vs SentinelOne vs Sophos vs Microsoft Defender XDR
CrowdStrike Falcon, SentinelOne Singularity, Sophos Intercept X, and Microsoft Defender for Endpoint / Defender XDR are the four endpoint detection + response platforms most UK organisations shortlist. All four are Gartn…
TPM vs OEM hardware support: 5-year TCO analysis for UK enterprises
Third-Party Maintenance (TPM) routinely saves UK enterprises 30-60% on hardware support vs continuing OEM contracts. The headline saving is real but the decision is more nuanced — TPM doesn't fit every workload. This is …
Best backup software UK 2026: Veeam, Rubrik, Commvault, Veritas, M365 Backup, Acronis, Druva — the full picture
Most UK backup shortlists narrow to Veeam, Rubrik and Commvault — but the market now includes Microsoft 365 Backup (native, since 2024), Acronis (SMB through mid-market) and Druva (SaaS-only). This piece is broader than …
How to choose an EDR platform: a 7-question framework for UK IT teams
Most UK organisations evaluating EDR end up shortlisting <a href="/crowdstrike">CrowdStrike</a>, <a href="/sentinelone">SentinelOne</a>, <a href="/sophos">Sophos</a>, and Microsoft Defender XDR — the four <a href="/insig…
Migrating from legacy VPN to ZTNA (Zscaler or Prisma Access): 90-day UK playbook
Legacy IPSec / SSL VPN concentrators were the model for the 2000s — they don't fit a hybrid-work, multi-cloud, M&A-active 2026 estate. <a href="/cyber-security/zero-trust">Zero Trust Network Access (ZTNA)</a> via <a href…
Best firewall UK 2026: FortiGate vs Palo Alto vs Cisco Firepower vs Juniper SRX
Most UK firewall RFPs land on the same shortlist: FortiGate, Palo Alto, Cisco Firepower, Juniper SRX. They all do NGFW + IPS + SSL inspection + ZTNA + SD-WAN. The differences that matter aren't feature checkboxes — they'…
Hyperconverged ROI: when HCI beats three-tier infrastructure
Hyperconverged (HCI) replaced three-tier (separate compute + storage + network) as the default mid-market virtualisation architecture between 2016-2024. But HCI doesn't fit every workload. This is the honest ROI framewor…
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