SCIT Based Moving Target Defense Reduces and Shifts Attack Surface

Ajay Nagarajan; Arun Sood

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Paper

SCIT Based Moving Target Defense Reduces and Shifts Attack Surface

In Proceedings of the 11th International Workshop on Security in Information Systems - Volume 0ICEIS, 14-25, 2014 , Lisbon, Portugal

Authors: Ajay Nagarajan and Arun Sood

Affiliation: George Mason University, United States

Keyword(s): Security Management and Assessment, Moving Target Defense, Attack Surface, Intrusion Tolerance, Proactive Recovery.

Abstract: Current approach to security is based on perimeter defense and relies on reactive systems like firewalls, intrusion detection and prevention systems. These systems require a priori information about attacks and vulnerabilities. McAfee reports identifying 100,000 new unique malware each day. Thus trying to prevent intrusions is becoming impractical. Although it is difficult to model and predict a hacker’s moves, a defender might be able to make hacker’s task harder by adopting Moving Target Defense (MTD) proactive security strategies. In this paper, we present SCIT, our MTD approach. We use Attack Surface assessment to evaluate SCIT. A system’s attack surface is the subset of its resources that an attacker can use to attack the system. Manadhata uses attack surface reduction / shifting as means of assessing MTD. In this paper, we compare the dynamically changing Attack Surface for three system architectures (1) Static Systems; (2) Basic-SCIT and (3) Diverse-SCIT.

CC BY-NC-ND 4.0

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Paper citation in several formats:

Nagarajan, A. and Sood, A. (2014). SCIT Based Moving Target Defense Reduces and Shifts Attack Surface. In Proceedings of the 11th International Workshop on Security in Information Systems (ICEIS 2014) - WOSIS; ISBN 978-989-758-031-4, SciTePress, pages 14-25. DOI: 10.5220/0004978300140025

@conference{wosis14,
author={Ajay Nagarajan. and Arun Sood.},
title={SCIT Based Moving Target Defense Reduces and Shifts Attack Surface},
booktitle={Proceedings of the 11th International Workshop on Security in Information Systems (ICEIS 2014) - WOSIS},
year={2014},
pages={14-25},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004978300140025},
isbn={978-989-758-031-4},
}

TY - CONF

JO - Proceedings of the 11th International Workshop on Security in Information Systems (ICEIS 2014) - WOSIS
TI - SCIT Based Moving Target Defense Reduces and Shifts Attack Surface
SN - 978-989-758-031-4
AU - Nagarajan, A.
AU - Sood, A.
PY - 2014
SP - 14
EP - 25
DO - 10.5220/0004978300140025
PB - SciTePress