Hitachi Cable News Vol.358
Back Number  HITACHI Cablenews backnumber
Special Feature: Wireless IP Phones New-Generation Wireless IP Phones Redefine Office Communications

| Overview | Chapter 1 Need for network security |
| Chapter 2 Versatile security solutions |
| Figure: Network system security risks and preventive measures |
| Hitachi Cable Security Solutions |
Hitachi Cable Security Solutions
Network system security risks and preventive measures
Unauthorized accessVirus Risks
Preventive measures
Internet (to external networks)ServerFirewallLog management, network supervision
Systems administration division
Hub switchUnauthorized installation of wireless access pointsOutsiders entering/leaving the roomRoom entry/exit management (e.g., IC card)
Edge switchHub switchConnection of computers brought into the work siteLogin authentication (e.g., ID, password, or biometrics)Documents and data flowing out of printers
Edge switchWork space
Hub switchWireless access points
Radiowave leakage to outdoors
Reception lobbyUnauthorized access from inside
PageTop

| Overview | Chapter 1 Need for network security |
| Chapter 2 Versatile security solutions |
| Figure: Network system security risks and preventive measures |
| Hitachi Cable Security Solutions |

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