Chapter Seven - University of Calgary

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Transcript Chapter Seven - University of Calgary

Online Annoyances
• Spam – electronic junk mail
• Pop-ups – intrusive advertising
• Cookies – tracking user’s browsing habits
• Phishing and Hoaxes – Ruses to fool and
maybe steal from users.
• Spyware – Programs that collect data from
a user’s computer
Slide 1
Spam
• Junk E-Mail
• Spam filters
• Anti-spam
practices
Slide 2
Cookies
• Text files stored on
client computers when
visiting Web sites
• Used on return visits
to Web sites
• Unique ID number
• Personal information
remembered
Slide 3
Pop-ups
• Usually advertising
• Pop-up
automatically
• Browser can block
Slide 4
Identity Theft
• Thieves collect personal information
– Credit card
– Drivers license
– SIN, Passport
• Then use to
– Access government services
– Buy things
Slide 5
Identity Theft
• Don’t need a computer
– Dumpster diving
– Credit card skimming
– ATM front-end
– People give away information
Slide 6
Phishing
• Phishing is a phony communication
• Attempts to scam someone into
sending vital information
• Email message impersonates
– Banks
– Accounts: eBay, PayPal, …
Slide 7
Phishing
Slide 8
• Don’t respond to these emails
Slide 9
Spyware
• (Adware)
– Secretly sends data about our web surfing to a
spy
– Spy sells data to advertisers
Slide 10
Spyware Threats
• Software is unknowingly downloaded
with free software, music (Kazaa),
screen savers, games, …
• Sponsered results on search engines
Slide 11
Protection from Spyware
• Don’t
– download free stuff
– enter online contests
• Do
– use antispyware software
– UofC IT Antispyware Page
Slide 14
Spyware
• Consumer Reports Ratings
– Webroot (US$25)
– PC Tools (US$30)
– Spybot (free)
Slide 15
Canadian Response
• Spam, Phishing and Spyware
– Stop Spam Here
• The Digital Economy in Canada
• Anti-Fraud
– Phonebusters (Canadian Anti-Fraud Call
Centre)
Slide 16