Title

Adaptive defense against various network attacks

Authors

Authors

C. C. Zou; N. Duffield; D. Towsley;W. B. Gong

Comments

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Abbreviated Journal Title

IEEE J. Sel. Areas Commun.

Keywords

adaptive defense; computer security; distributed denial-of-service; (DDoS); Internet worm; SYN flood; Engineering, Electrical & Electronic; Telecommunications

Abstract

In defending against various network attacks, such as distributed denial-of-service (DDoS) attacks or worm attacks, a defense system needs to deal with various network conditions and dynamically changing attacks. Therefore, a good defense system needs to have a built-in "adaptive defense" functionality based on cost minimization-adaptively adjusting its configurations according to the network condition and attack severity in order to minimize the combined cost introduced by false positives (misidentify normal traffic as attack) and false negatives (misidentify attack traffic as normal) at any time. In this way, the adaptive defense system can generate fewer false alarms in normal situations or under light attacks with relaxed defense configurations, while protecting a network or a server more vigorously under severe attacks. In this paper, we present concrete adaptive defense system designs for defending against two major network attacks: SYN flood DDoS attack and Internet worm infection. The adaptive defense is a high-level system design that can be built on various underlying nonadaptive detection and filtering algorithms, which makes it applicable for a wide range of security defenses.

Journal Title

Ieee Journal on Selected Areas in Communications

Volume

24

Issue/Number

10

Publication Date

1-1-2006

Document Type

Article

Language

English

First Page

1877

Last Page

1888

WOS Identifier

WOS:000241016500010

ISSN

0733-8716

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