Data Flow Diagram

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Data flow diagram help organizations track where data is flowing, what ports and protocols are in use, how data is secured, and what controls are in place.

• advanced diagrams may show:
  • how data is transferred
    • e.g., HTTPS encrypted connection between web servers
  • details about security devices or services, key service accounts, etc.
• may include third-party services and systems
• don’t end at organizations borders, show complete flow