About computer virus pdf

Around About computer virus pdf 26, 1999 Melissa was put in the wild by David L. On December 10, 1999, Smith pleaded guilty to releasing the virus and was sentenced to 10 years in prison, serving 20 months. Monmouth Internet and a Swedish computer scientist. 80 million worth of damages by disrupting personal computers and computer networks in business and government.

This page was last edited on 1 December 2017, at 22:19. Changes must be reviewed before being displayed on this page. When this replication succeeds, the affected areas are then said to be “infected” with a computer virus. The majority of active malware threats are actually trojan horse programs or computer worms rather than computer viruses. However, not all viruses carry a destructive “payload” and attempt to hide themselves—the defining characteristic of viruses is that they are self-replicating computer programs which modify other software without user consent.

The work of von Neumann was later published as the “Theory of self-reproducing automata”. In his essay von Neumann described how a computer program could be designed to reproduce itself. Von Neumann’s design for a self-reproducing computer program is considered the world’s first computer virus, and he is considered to be the theoretical “father” of computer virology. In his work Kraus postulated that computer programs can behave in a way similar to biological viruses. Creeper gained access via the ARPANET and copied itself to the remote system where the message, “I’m the creeper, catch me if you can!

To which the replies are stated: “Perhaps there are superficial similarities to disease” and, “I must confess I find it difficult to believe in a disease of machinery. Skrenta was still in high school, was injected in a game on a floppy disk. Elk Cloner: The program with a personality. Any virus will by definition make unauthorised changes to a computer, which is undesirable even if no damage is done or intended.