Physical Intrusion Detection and Alert System for Packet Switched Networks
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Solution Overview
Problem
Conventional security methods for packet/frame/cell (PFC) networks fail to provide immediate detection and response to physical intrusions, allowing unauthorized access and data compromise due to the lack of comprehensive solutions for rapid alert generation and remediation in PFC-based network systems.
Innovation Solution
A system comprising a detection device, alert generator, and security enforcer that identifies physical intrusions in data communication paths, generates alerts, and automatically takes corrective actions to prevent further compromise, including rerouting traffic and encrypting data, to protect PFC networks from unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If conventional security methods (manual detection and response) are used in PFC networks, then device complexity is reduced, but response time to physical intrusions is excessively long allowing data compromise
Solution Approach 1:
The system performs preliminary actions by pre-configuring detection devices on network links and pre-establishing alert generation mechanisms. When a physical intrusion is detected, the system immediately generates and transmits alerts without requiring manual intervention, thus reducing response time while maintaining manageable complexity through automated preliminary setup
Solution Approach 2:
The patent introduces an intermediary alert generation system that sits between the detection device and network users. This intermediary automatically processes detection signals, generates appropriate alerts, and transmits them to users, thereby reducing response time without significantly increasing overall system complexity by using a standardized mediation layer
2Reliability
If discrete temporarily deployed detection devices are used, then device complexity is minimized, but detection coverage and continuous monitoring capability are insufficient
Solution Approach 1:
The detection devices are designed with multi-functionality to serve multiple purposes: they can detect physical intrusions, generate alerts, and potentially interface with multiple network links. This universal design improves reliability by enabling continuous monitoring without requiring separate specialized devices for each function, thereby maintaining simpler system structure
3Productivity
If manual intervention is required to close off compromised links, then device complexity is reduced, but productivity and rapid response capability deteriorate
Solution Approach 1:
The system implements feedback by continuously monitoring network links for physical intrusions and automatically responding to detected threats. When an intrusion is detected, the system generates alerts and can automatically trigger remediation actions, creating a closed-loop feedback system that improves productivity by eliminating manual intervention while maintaining manageable complexity through automated decision rules
Data Source
AI summary
A method and system for protecting a packet switched network from compromised communications due to a physical intrusion in the network are disclosed. The network includes at least one network element having a detection device operable to detect a possible physical intrusion in a data communication path connected to the network element. The method includes receiving a notification from the detection device that the detection device has identified a physical intrusion in the data communication path, generating an alert, and transmitting the alert over the packet switched network. The alert may include instructions on how to remediate the physical intrusion that can be automatically implemented by a given network-connected device or manually addressed by a network user or network administrator.