Data Flow Diagram For Network Security

Data flow diagrams became popular in the 1970s in software development.

Data flow diagram for network security. The network security diagrams solution presents a large collection of predesigned cybersecurity vector stencils cliparts shapes icons and connectors to help you succeed in designing professional and accurate network security diagrams network security infographics to share knowledge about effective ways of networks protection with help of software and network security devices of different. This is a high level diagram that depicts sites with symbols representing key network devices involved in sensitive. Data flow diagram tutorial. Yourdon coad s object oriented analysis and design ooa ood was a way of visualizing software systems before uml diagrams.

Use pdf export for high quality prints and svg export for large sharp images or embed your diagrams anywhere with the creately viewer. Sign up for a free lucidchart account and begin editing to get started. Example of a good system flow diagram figure 2. Network security you can edit this template and create your own diagram creately diagrams can be exported and added to word ppt powerpoint excel visio or any other document.

A data flow diagram has no control flow there are no decision rules and no loops. Example of a poor system flow diagram. A data flow diagram is a way of representing a flow of data through a process or a system usually an information system the dfd also provides information about the outputs and inputs of each entity and the process itself. The network components and topology section of the ffiec operations handbook also discusses network diagrams so no one should be faulted for incorrectly assuming their network diagram counted as a data flow diagram.

Make sure your data is safe by using this network security diagram template for your organization. However a dfd is a completely different requirement than a network diagram and serves a different but very useful purpose. 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. The diagram on the right focuses too much on system components includes unnecessary information and does little to explain how data moves through the system which protocols are in use or the boundaries of the system to be assessed.

It helps to ensure the protection of valuable information as it is stored and transmitted. This is known as a data flow diagram when you draw it on a network diagram or something like that to visualize it. A good data flow map can be worked up from a baseline network diagram. Usually through interviews and process walkthroughs an organization can trace the lines of business and their processes from where sensitive data is collected received to where it leaves the organization or is stored.