I am afraid that the Loggers Friend will have to pass.

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I am afraid that the Loggers Friend will have
to pass.
http//www.imdb.com/title/tt0048960/

• Katherine Freeman in North to Alaska (1960)

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Computer Science 101Lecture 35
author.handalak.com/.../ images/javascript.jpg

• Spring Semester 2008
• Monday, April 14
• Week 14/18
• Albert H. Carlson

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Announcements

• Your HTML project is due Friday May 2
• The final is a mass final on Monday of Finals
  week, 7 9 pm in EP121

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Attacks

• Just remember that
• Viruses affect ALL known OSs
• About 81,000 are presently known
• About 6 are added every DAY
• If you are on the network, you are vulnerable
• If you are getting any files that you do not
  PERSONALLY write, you are vulnerable
• Commercial software is also vulnerable

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Attacks

• The Denial of Service (DOS)
• The Distributed DOS (DDOS)
• Back Doors
• Bacterium and Rabbits
• Zombies

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Safeguards

• Firewall
• Dont turn it off unless you absolutely have to
• Virus checker
• Dont start the computer with removable media
  in the computer
• E-mails
• First dont take e-mails from people you do not
  know
• Dont open attachments if you do not know the
  sender

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Safeguards

• Disable macros
• Watch out for the virus hoax
• A hoax is a message telling you about a virus
• Usually warns of dire consequences if ignored
• Have some weird instructions as to what to do
  to avoid the virus
• Can have instructions that cause damage if you do
  them
• Is a form of social engineering
• Always check with McAfee or Symantec first

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Safeguards

• Intrusion Detections Systems (IDS)
• Takes two different tacts
• Looks for out of the ordinary activities
• Looks for specific bad activities
• There are problems with this type of software
• You cannot detect someone until they are already
  inside your network and computer
• You have to know what you are looking for in
  order to find it

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Safeguards

• Access Control
• You must GIVE permission for anyone to use your
  computer or network
• Usually takes the form of User IDs and passwords
• Passwords are only as good as they are designed
  to be
• The longer and more diverse, the better

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Questions?