Pci Network Diagram Definition

A peripheral component interconnect bus pci bus connects the cpu and expansion boards such as modem cards network cards and sound cards. Without adequate network segmentation sometimes called a flat network the entire network is in scope of the pci dss assessment 2 the intent of segmentation is to prevent out of scope systems from being able to communicate with systems in the cde or impact the security of the cde. For the remaining questionnaires these diagrams are not mandatory but it is good practice to create one or more diagram to illustrate the cde the network s and systems that.

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Pci network diagram definition. Some graphics cards use pci but most new graphics cards connect to the agp slot. If you were to ask network architects and engineers about their favorite part of the job i doubt any of them will respond with creating and maintaining network diagrams it s not the most glamorous task yet requirements 1 1 2 and 1 1 3 of the payment card industry data security standard pci dss along with general good security hygiene render it a necessary one. Therefore diagrams highlighting the flows of payment card data across the systems and network s involved should be developed and maintained. The supplement clarifies basic terms related to network segmentation and scoping.

Pci slots are found in the back of your computer and. Segmentation is typically achieved by technologies and process. Stands for peripheral component interconnect it is a hardware bus designed by intel and used in both pcs and macs. To help prevent future data breaches and give additional guidance on this issue the pci security standard council scc released a supplemental guide for scoping and network segmentation in december of 2016.

Most add on cards such as scsi firewire and usb controllers use a pci connection. Documenting a network diagram and diagram of cardholder data flows across systems and networks is mandatory for some saqs and for formal assessment. These expansion boards are normally plugged into expansion slots on the motherboard. Peripheral component interconnect is often called pci or conventional pci to differentiate from its successor pci express pci is a local computer bus for attaching hardware devices in a computer and is part of the pci local bus standard.

Below are the details you need to include in your diagrams. In the executive summary of a pci report on compliance roc businesses are required to provide 1 a general network diagram 2 a detailed network diagram with information like encryption strength network cards ports connection types and subnets and 3 a card data flow diagram. Assessing entities a network diagram is mandatory for the pci dss saq a ep saq b ip saq d questionnaires while the saq a ep and d also requires a card data flow diagram. The pci bus supports the functions found on a processor bus but in a standardized format that is independent of any particular processor s native bus.

The pci dss supplement for scoping network segmentation. To maintain compliance with the pci dss 3 0 requirements enterprises may need to update their network diagrams.