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Optimum Web
PCI DSSISO 27001NIS2CR-PCI-03

Network Segmentation for Cardholder Data

PCI network segmentation: isolate cardholder data, reduce PCI scope, lower compliance cost. VPC/VLAN, firewall rules, micro-segmentation, bastion host. €359.

Network Segmentation for Cardholder Data by Optimum Web is a fixed-price compliance service covering PCI DSS Requirement 1 — Install and maintain network security controls. It costs €359 with 5–7 business days delivery by senior security engineers. Network segmentation architecture document. 14-day warranty included.

€359
Fixed price, VAT excluded
5–7 business daysSenior only
Network segmentation architecture document
VPC/VLAN configuration isolating the CDE
Firewall rules with least-privilege network access
Segmentation penetration test validating isolation
🛡️
14-Day Warranty
If the delivered pack does not match your ISMS scope and Statement of Applicability, we rework it at no cost, or refund in full within 14 days of delivery.

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+373 22 843569
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👨‍💻 Senior only
14-day warranty
🆔 CR-PCI-03

This Service Covers

PCI DSSRequirement 1 — Network security controls and segmentation
ISO 27001Annex A 8.22 — Segregation of networks
NIS2Article 21(2)(a) — System security

What You Get

Implementation of network segmentation to isolate the cardholder data environment (CDE) and reduce PCI DSS scope. We configure: VPC/VLAN separation between CDE and non-CDE networks, firewall rules permitting only necessary traffic, micro-segmentation for database and application tiers, jump box / bastion host for administrative access, and segmentation testing to verify isolation. Result: reduced PCI scope, lower compliance cost, and stronger security posture.

Optimum Web provides audit preparation, documentation and technical verification. We are not a certification body, we do not employ auditors, and we do not perform internal or certification audits. The Clause 9.2 internal audit is conducted by a person independent of the area audited within your organisation, or by an auditor you appoint; the certification audit is conducted by an accredited certification body. Our role is to make sure you are ready for both.

Who Needs This

  • Companies whose entire network is in PCI scope due to lack of segmentation
  • Organizations wanting to reduce PCI compliance scope and cost
  • Businesses whose PCI assessor flagged insufficient segmentation
  • Companies migrating payment systems to cloud and need proper isolation

How It Works

  1. 1
    Map CDE

    Identify all systems in the cardholder data environment

  2. 2
    Design

    Architect network segmentation: VPC/VLAN boundaries, firewall rules

  3. 3
    Implement

    Configure segmentation, bastion hosts, and least-privilege rules

  4. 4
    Validate

    Segmentation penetration test proving CDE isolation

ONGOING COMPLIANCE

Don't Want to Think About Compliance Every Quarter?

Compliance-as-a-Service: €729/month. Quarterly reviews, scans, documentation, and security questionnaire support — as an extension of your team, not a replacement for your compliance owner.

Start CaaS — €729/month

Ready to Start?

€359 · 5–7 business days · 14-day warranty

+373 22 843569

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or order without payment

Want ongoing compliance? Compliance-as-a-Service — €729/month

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Frequently Asked Questions

How much does segmentation reduce PCI scope?+
Dramatically. Without segmentation, your entire network is in scope. With proper segmentation, only the CDE (typically 5-10 servers) is in scope. This can reduce audit cost by 60-80%.
Can this be done in the cloud?+
Yes. We use VPCs (AWS/GCP), NSGs (Azure), and security groups for cloud segmentation. Cloud-native tools make segmentation easier and more granular than traditional on-premise networks.
What is a bastion host?+
A hardened jump box that is the only entry point to the CDE for administrators. Instead of direct access to payment servers, admins SSH/RDP through the bastion host, which logs all sessions.
How do you validate segmentation works?+
We perform a segmentation penetration test: attempt to access CDE systems from non-CDE networks. PCI DSS requires this test every 6 months (Req.11.4.5). The first test is included in this service.
Will segmentation break our existing applications?+
We map all legitimate traffic flows before making changes. Segmentation rules are designed to permit required traffic and block everything else. We test in staging before production.

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+373 22 843569

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