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Insights & Guides

Cybersecurity & Compliance
Insights for EU Businesses

Practical guides on cybersecurity, regulatory compliance, and digital resilience for businesses across the EU — written by the BlueCyber team.

Latest Articles

Practical guides from the field —
compliance, network security, and beyond

We write about what we see every day — practical, actionable, free of jargon.

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Network Security Zero Trust

March 2026  ·  7 min read  ·  EU

Why Microsegmentation Is the Missing Layer in Your Hybrid Security Strategy

Research-backed comparison of identity-based segmentation vs. microsegmentation in hybrid on-premises and cloud environments — and why layering both delivers the strongest security posture.

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NIS2 Manufacturing

March 2026  ·  6 min read  ·  EU

NIS2 Compliance for Manufacturers: What EU Companies Need to Know in 2026

NIS2 is no longer a future problem. National transpositions are in force across the EU and enforcement is active. This guide covers the 5 core obligations, OT security challenges, and a practical 4-step approach to get compliant.

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DORA Financial Services

March 2026  ·  7 min read  ·  EU

DORA Compliance Checklist for Financial Services: Is Your ICT Framework Audit-Ready?

DORA has been legally binding since 17 January 2025 — no grace period, no phased rollout. This checklist covers all five DORA pillars, the three most common gaps we find at banks and financial firms, and a prioritised action timeline for getting compliant.

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Network Security Firewall Management

February 2026  ·  8 min read  ·  EU

From Network Complexity to Control: A Practical Process for Firewall Rule Cleanup

A step-by-step process for firewall rule cleanup in real enterprise environments — from establishing ownership and mapping communication flows to challenging insecure patterns and building continuous governance.

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Network Security Operations

January 2026  ·  5 min read  ·  EU

The Hidden Cost of Network Complexity

Most organisations don't have a network security problem — they have a network complexity problem. Learn why tooling is not the bottleneck, how tribal knowledge creates risk, and what actually works to reduce complexity without buying more tools.

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Not sure where your company stands?

BlueCyber offers free 30-minute gap assessment calls for manufacturers (NIS2) and financial institutions (DORA) across the EU. We'll tell you exactly what needs to be done — no sales pitch, no obligation.