Spam Impact

1
Spam Impact Analysis

• CITL Meeting
• February 27, 2004

2
e-mail Notes to Blue Cluster
3
Virus Counts by Day Aug thru Jan
4
Blue Cluster Feb 17-20, 2003
5
Blue Cluster Feb 16-20, 2004
6
Blue Cluster Feb 16-20, 2004
7
Spam Ratings Feb 12-19, 2004
8
Spam Ratings Feb 12-19, 2004
9
gt90 Probability Feb 4-10, 2004
10
Sample inbox Feb 18, 2004

• SENDER SUBJECT
  
• Hellion R. Tediously spam? ? ??? ??????
  ???? ?????
• Sheck-Buy spam? ADV Copies Everything -
  Easy Download
• Sheck-Buy spam? ADV Dont Consolidate
  Terminate
• Online Auction Unive spam? ADV eBay
  Tutorial - No Fee or Credit Card R...
• Sheck-Buy spam? ADV free online dating
  
• Herschel Bolden spam? crazy latin lovers
  gkvbxs
• Ken Oakes spam? Fully automated business
  
• Wilmer Enriquez spam? Levitra is ON SALE
  NOW!?f s s
• Term Support spam? LIFE
  INSURANCE...Protect Your Family Sav...
• Term Support spam? LIFE
  INSURANCE...Protect Your Family Sav...
• Term Support spam? LIFE
  INSURANCE...Protect Your Family Sav...
• Term Support spam? LIFE
  INSURANCE...Protect Your Family Sav...
• Term Support spam? LIFE
  INSURANCE...Protect Your Family Sav...
• Martha Miles spam? Lots of tips that will
  help you create succes..
• John Baker spam? Re Lower your Mortgage
  payments
• Margaret Mckinney spam? Sa.ve 90 off the
  retail pri.ce on Microsoft, .
• Arline Morin spam? to much bush
  hananquwevlqhznd d
• Gabriela Blanchard spam? ???????? ?
  ??????? ovd

11
Example of Undeliverable e-mail

• From System Administrator
• To chris-jones_at_uiowa.edu
• Subject Undeliverable Got 12 Million?
• Your message did not reach some or all of the
  intended recipients.
• To pat-smith_at_uiowa.edu
• From chris-jones_at_uiowa.edu
• Subject Got 12 Million?
• Sent 2/25/2004 719 PM
• The following recipient(s) could not be reached
• pat-smith_at_uiowa.edu' on 2/25/2004 719 PM
• 550 5.1.1 ltpat-smith_at_uiowa.edugt... email
  address lookup in domain map failed