CAPD: A Context-Aware, Policy-Driven Framework for Secure and Resilient IoBT Operations

• URL: http://arxiv.org/abs/2208.01703v1
• Date: Tue, 2 Aug 2022 19:27:51 GMT
• Title: CAPD: A Context-Aware, Policy-Driven Framework for Secure and Resilient IoBT Operations
• Authors: Sai Sree Laya Chukkapalli, Anupam Joshi, Tim Finin, Robert F. Erbacher
• Abstract summary: The Internet of Battlefield Things (IoBT) will advance the operational effectiveness of infantry units. This paper describes using CAPD to detect and mitigate adversary actions.
• Score: 1.9116784879310031
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The Internet of Battlefield Things (IoBT) will advance the operational effectiveness of infantry units. However, this requires autonomous assets such as sensors, drones, combat equipment, and uncrewed vehicles to collaborate, securely share information, and be resilient to adversary attacks in contested multi-domain operations. CAPD addresses this problem by providing a context-aware, policy-driven framework supporting data and knowledge exchange among autonomous entities in a battlespace. We propose an IoBT ontology that facilitates controlled information sharing to enable semantic interoperability between systems. Its key contributions include providing a knowledge graph with a shared semantic schema, integration with background knowledge, efficient mechanisms for enforcing data consistency and drawing inferences, and supporting attribute-based access control. The sensors in the IoBT provide data that create populated knowledge graphs based on the ontology. This paper describes using CAPD to detect and mitigate adversary actions. CAPD enables situational awareness using reasoning over the sensed data and SPARQL queries. For example, adversaries can cause sensor failure or hijacking and disrupt the tactical networks to degrade video surveillance. In such instances, CAPD uses an ontology-based reasoner to see how alternative approaches can still support the mission. Depending on bandwidth availability, the reasoner initiates the creation of a reduced frame rate grayscale video by active transcoding or transmits only still images. This ability to reason over the mission sensed environment and attack context permits the autonomous IoBT system to exhibit resilience in contested conditions.

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