Computers

Chapter 14 computer viruses 1 Types of viruses Virus sense of daub A virus signature describes a virus. backside allow the following: length show names dash of transmitting or replication the areas of the system that are attacked name or length of file attachment Used by antivirus programs to detect viruses. Virus classifications Worm- A worm is replicated onto one computer and infects its files. Spreads itself mechanically to new(prenominal) computers without prompting from the user. Trojan horse- appears as a free gift, such(prenominal) as a free download. Activates when opened. Can cause flying change or damage at a posterior date. big virus- A big virus is created with a macro programing language. MBR virus- An MBR virus attaches to the master boot record (MBR). super destructive. MBR discover be rebuilt if a fundamentup is made. Logic Bomb- a logic bomb is shipped into an application. Lays dormant until some event takes place. Gives vi rus clock time to spread to other computers. Back doorway virus- A spinal column door virus creates a back door into a computer and goes undetected. Used to breach security. Password virus- a word of honor virus is designed to breach security care the back door virus. Steals passwords. Sometimes used in crew with a back door virus. Stealth virus- hides from normal detection.

Incorporates itself into sectionalization of a known, typically required, program. Difficult to acquire its signature. Polymorphic virus- changes as it evolves. Can randomly change its program length, location, and type of file to inf ect. hoax- is a false message spread about ! a authorized or unreal virus. Harmful In that it can constitute a company money due to a departure 2 well- known viruses Michelangelo- Logic bomb toughened for prove 6th, 1992. Wipes out data on the hard drive. Melissa- appeared In bound of 1999. Macro email virus. Sends infected message to starting betoken 50 people on users microsoft placard post mail list. Could send any document from your PC. I honor you- attaches file name: Love-letter-for-you.txt.vbs....If you want to get a all-inclusive essay, order it on our website: BestEssayCheap.com

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