Agile Node Isolation via Packet Non-Repudiation
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Solution Overview
Problem
Securing ad-hoc, mobile networks without a perimeter defense is challenging due to the decentralized nature of these networks, where no node can fully trust others, and traditional security measures are insufficient against high-intensity cyber-attacks that can compromise nodes, leading to potential mission failure and loss of life.
Innovation Solution
Implementing packet level non-repudiation (PLNR) technology to dynamically reconfigure mobile networks by analyzing packets for authentication headers and certificates, isolating compromised nodes through a security apparatus with modules like PLNR, DISCO, and TATL, which verifies and manages public keys and certificates to prevent unauthorized communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual investigation and incident response are used to secure the network, then security measures can be implemented, but the response time is too slow to prevent mission failure during high-intensity cyber-attacks
Solution Approach 1:
The system performs preliminary actions by pre-establishing authentication headers with certificates for all nodes before attacks occur. When a compromise is detected, the system immediately isolates the node by revoking its certificate, preventing further damage without requiring manual investigation. This preliminary setup enables automated, instantaneous response to security threats.
Solution Approach 2:
The security system operates autonomously by automatically detecting compromised nodes through authentication header verification and isolating them by revoking certificates. The system does not require manual investigation or intervention - it self-monitors, self-diagnoses, and self-corrects security breaches in real-time, eliminating the time loss associated with human response.
2Object-affected harmful factors
If perimeter defense is implemented to protect the network, then external attacks can be blocked, but it is insufficient when adversaries have already compromised nodes inside the network
Solution Approach 1:
Instead of applying a uniform perimeter defense, the system applies local quality control at each node level. Each node independently verifies authentication headers with certificates, creating localized security checks throughout the network. This enables the system to identify and isolate compromised nodes individually, maintaining security even when some nodes are breached, as the compromise cannot spread to nodes with valid certificates.
3Ease of operation
If traditional authentication methods are used in decentralized mobile networks, then node identification can be maintained, but computational overhead of generating and verifying e-signatures prevents viable solutions
Solution Approach 1:
The system performs preliminary action by pre-generating and distributing certificates to all nodes before they join the network. This eliminates the need for computationally intensive e-signature generation and verification during normal operations. Nodes simply present their pre-issued certificates for authentication, dramatically reducing computational overhead while maintaining secure node identification in the decentralized mobile network.
Data Source
AI summary
Apparatus, systems and methods for agile network isolation through use of packet level non-repudiation (PLNR) are provided. Using a fast cryptography to verify that incoming packets are undeniably being received from the identified source, real-time attack notifications can be independently verified and shared among the network devices to remove compromised nodes from the network. The ability to collaborate among nodes without trust may be achieved via PLNR, to share attack notifications in real-time may be achieved via Telling Attack Layer (TATL), and to establish the identity of an attack in a permanent and binding way may be achieved via DISCOvery (DISCO).