The problem
Firewall rule bases grow for years without anyone removing rules. Segmentation exists on paper but not in the network, and a firewall replacement turns into copying thousands of rules nobody can explain.
Our approach
We map the actual traffic flows, define zones and policy from the business functions, and migrate rule sets in tested stages instead of in one cut-over. The result is a policy that can be read, reviewed and audited.
Typical deliverables
- Macro- and micro-segmentation design
- Zero-trust and remote access design
- Firewall and perimeter migration plans
- Security architecture reviews
Case study · Energy
Firewall migration for an energy grid operator
A grid operator replaced its firewall platform and came out with a smaller, explainable rule base instead of a copy of the old one.
Read the case → Learn the subjectSegmentation and security design content
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Get a second opinion on my policy.
Describe the environment and what needs to change. You get a reply within one business day.