Comp-ed 2nd Quarterly Exam

• Virus is the most common and well known computer secuy threats
• Worms is a malicious programs that replicate and spread independently without the user's action and harm the computer
• Adware a software which automatically plays, displays, or download advertisement in the form of pop-up
• Hackers are the computer expert who use their expertise for malicious program
• E-mail attachment is a file that can be sent with an email from one computer to another
• E-mail Virus is a computer code that sent as an e-mail attachment
• Surfing insecure websites - websites that is set up to spread a virus or for some other unethical purpose is an insecure websites
• Installing Pirated software - which has been duplicated and distributed without authorization is called Pirated software
• Hackers define as a unauthorized use of computer network and it's resources
• Antivirus software is a computer program that detects, prevent, and take action to deactivate or remove malicious programs
• Virus Definition contains information about malware which can be used to identify security threats
• Virus - Written Intentionally to alter the way a computer operates without the permission or knowledge of the user
• Virus - Replicates and Executes itself such as program files or documents so that the user clicks them and the virus activates
• When activated a virus may

  • Damage file
  • Cause Eractic system behavior
  • Erase data in hard disk
  • Display annoying messages
• Computer worms can

  • Destroy a file in the system
  • Cause some program to stop working
  • Slow down the computer
• Worms - also spread by copying themselves from disk to disk or by email