Knowledge & Practical Experience
Blog — Network Security & IT Infrastructure
Practical articles on network security, NIS2 and DORA compliance, network architecture and firewall design — from 25+ years of direct technical responsibility.
Articles
VLAN Design for SMEs: Structure Instead of Organically Grown Networks
Many SMEs operate networks that have grown organically over years. Clean VLAN design is the foundation for stability, security and scalability — structured rather than historically accumulated.
Read article →Firewall Misconfiguration: The Most Common Mistakes in Enterprise Networks
Firewalls are often the biggest weakness in a network — not because of missing technology, but because of misconfiguration. Any-to-any rules, missing segmentation and permanent temporary rules.
Read article →NIS2 Network Requirements: What Companies Need to Implement
The NIS2 directive significantly raises IT security requirements. The critical and often underestimated area: network segmentation, access control, monitoring and VPN security.
Read article →Need help with this in your environment? Request a Network Security Assessment →
