Notes
Slide Show
Outline
1
Spam from the User’s Point of View
  • Richard M. Smith
  • Internet Security and Privacy Consultant
  • rms@ComputerBytesMan.com
2
The number one spam question
  • How do spammers get my email address?
  • Answers:
    • From Web pages
    • From newsgroup postings
    • From email directories (Yahoo)
    • By guessing; dictionary attacks (e.g. smith@aol.com)
    • Theft of customer lists
    • By doing business with Web sites


3
The Google Test
  • Go to the Google search engine and type in your email address
  • If Google finds your email address, so will the spammers
  • My email address appears on 500+ Web pages
  • I get a lot of spam
  • One solution: Change your email address and keep the new address secret
4
The growth of spam
  • My spam collection
    • May 2001:             68 messages
    • December 2001: 123 messages
    • May 2002:           371 messages
    • November 2002: 462 messages
  • Brightmail: 40% of all email is now spam
5
The Tragedy of the Commons
  • “Tragedy of the commons is a metaphor that illustrates the destruction of public resources by private interests when the best strategy for individuals conflicts with the common good.” [Wikipedia]
  • “The Tragedy of the Electronic Commons” By Howard Rheingold
6
Spam tools
  • Bulk email services (soup to nuts) [1]
  • Self service [2] (You too can be a spammer right from your own home!)
    • Bulk email software
    • List management software
    • Email address scanner bots
  • Email list brokers [3]
7
My friend Andrew
  • Signed up for SpamAssassin at his ISP
  • “Works great”
  • The false positive problem: ACLU newsletter was labeled as spam J
  • The arms race problem: Some spammers are now using a single image that cannot be content filtered by SpamAssassin


8
My friend Maria
  • Works in the PR business
  • Spammers got her email from Web sites
  • Porn spam seemed like an “assault”
  • Solution
    • Spam blocking service ($5 per month)
    • Turned off preview pane
    • Switched email address
    • No longer puts her email address online
9
My friend Ron
  • Runs an email service house for newspapers (e.g. Boston Herald)
  • Mails out daily news summaries
  • People forget they sign up and Ron gets “nastygrams” about being a spammer
  • Anti-spam services blocked his IP address because he uses Rackspace; “Guilt by association”
10
The Bennett Haselton spam lawsuits
  • Used the Washington state anti-spam law
    • Right of private action
    • Can’t send unsolicited messages
    • No fake information
  • Won 8 lawsuits in small claims court
  • Collected $2,000 to $3,000
  • Good learning experience but not really worth the money
11
The Saga of Alan Ralsky
  • One of top 5 spammers
  • Overloaded Verizon email servers in November 2000
  • Email was flakey for 2 weeks at Verizon
  • My family dropped Verizon DSL service and switched to RCN cablemodem service


12
The Saga of Alan Ralsky (part 2)
  • Verizon sued Ralsky in March 2001
  • Lawsuit based on Virginia anti-spam law
  • Settled out of court in Oct. 2002
    • Verizon got money
    • Ralsky agreed to stop spamming Verizon customers


13
The Saga of Alan Ralsky (part 3)
  • Alan Ralsky was “slash-dotted”
  • Home address was published on Slashdot
  • Bombarded with junk mail
  • Not a happy camper
14
Other spam lawsuits
  • AOL just won $7 million against CN Productions, an alleged porn spammer
  • Washington State vs. Eduardo Haberli lawsuit was just filed.  Deceptive subject lines.
  • FTC sting operation against chain letters.
15
Spam as a consumer protection issue
  • Consumer protection issues are handled by the FTC and state AG offices
  • Based on existing law
  • Deceptive trade practices
    • Fraud (“Get rich quick”)
    • Fake return addresses and forged email headers
    • Removal schemes that don’t work
16
Summary
  • Spam will never go away completely
  • The spam problem will get worse before it gets better
  • ISPs have financial incentives to help fix the problem
  • Expect more lawsuits against spammers
  • “Legit” direct marketers worry that spam will ruin email as a marketing tool