Thomas M. Chen Dept. of Electrical Engineering SMU PO Box 750338 Dallas, TX 75275-0338 USA Tel: 214-768-8541 Fax: 214-768-3573 Email: tchen@engr.smu.edu Jean-Marc Robert Alcatel Canada Inc. 600 March passage Ottawa, Ontario, Canada K2K 2E6 Tel: (613) 784-5988 Email: jean-marc.robert@alcatel.com
Abstract - estimator computer computer viruses and network worms remove evolved done a continuous series of innovations, leading to the new vagabond of fast- penetrateing and dangerous worms. A review of their historical development and recent outbreaks leads to a number of observations. First, while viruses were much common than worms initially, worms have become the predominant threat in recent years, co-occur with the growth of ready reckoner networking. Second, despite widespread use of firewalls and different network security equipment, worm outbreaks still occur and allow for likely continue to be a threat for the scraggy future. Third, recent worms are appearing as a series of quick successive variants. Unlike the independent efforts of early viruses, these variants propose an increasing level of coordination among worm creators. Fourth, recent worms have shown capabilities to spread faster and exploit more infection vectors. This trend implies a more urgent need for automated, coordinated protection measures.
Finally, more dangerous payloads are becoming commonplace. This suggests that worm creators are employ worms for other objectives than simply infection, such as data thieving and setting up denial of service networks.
1. Introduction Computer viruses and worms are characterized by their ability to self replicate. The modern computer virus was conceived and formalized by Fred Cohen as a USC alumnus student in 1983. Cohen wrote and demonstrated the first documented virus in November 1983 [1]. Like biological viruses, computer viruses reproduce by taking advantage of the existing environment. A biological virus consists of single or double-stranded nucleic acid (DNA...If you want to get a full essay, order it on our website: Ordercustompaper.com
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