This paper describes AMICA (Analyzing Mission Impacts of Cyber Actions), an integrated approach for understanding mission impacts of cyber attacks. AMICA combines process modeling, discrete-event simulation, graph-based dependency modeling, and dynamic visualizations. This is a novel convergence of two lines of research: process modeling/simulation and attack graphs. AMICA captures process flow...

Cyber Defense Exercises (CDX) continue to gain appreciation in the context of information security education. Primarily conducted in academic environments, the call for CDX is beginning to breach that boundary. Existing models are challenged by cost, agility, legality, and scope. This paper presents a model that addresses these challenges through a CDX service provider model.

This paper surveys remarkable incidents that were related to the Homeland Security and Defense such as terrors, disasters and cyber-attacks and overviews the existing projects given by the department of Homeland Security and Defense of the US government. Through the overview, technological foundations in the projects are extracted and discussed. Additionally, this paper introduces a common fram...

Artificial intelligence is a technology to make the machines human compatible. Various techniques likeheuristic search (Generate and test, Hill climbing, BFS, DFS, Problem reduction, constraint satisfaction, means-ends analysis etc.), game playing, understanding, planning, NLP, Learning, commonsense, predictions and actions, and expert systems are there to make the system intelligent. This pape...

This paper describes the effort involve in executing a Cyber Defense Exercise while focusing on the White Cell and Red Forces activities during the 2003 Inter-Academy Cyber Defense Exercise (CDX). These exercise components were led by the National Security Agency and were comprised of security professionals from Carnegie Mellon University’s CERT, the United States Air Force, and the United Stat...

The biological immune system is an autonomic system for self-protection, which has evolved over millions of years probably through extensive redesigning, testing, tuning and optimization process. The powerful information processing capabilities of the immune system, such as feature extraction, pattern recognition, learning, memory, and its distributive nature provide rich metaphors for its arti...

In this paper we outline a holistic approach for understanding and simulating human decision making in knowledge-intensive tasks. To this purpose, we integrate semantic and cognitive models in a hybrid computational architecture. The contribution of the paper is twofold: first we describe a packetcentric ontology to represent network traffic. We show how the ontology is used to describe real-wo...