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1
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2
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- From your Internet Service Provider (or your IT Department at work)
- Do they scan mail? Use a spam blocker? Provide antivirus protection?
- Software you can put on your computer
- Spyware prevention? Hijack blockers?
- Awareness and common sense
- You can do a great deal to protect yourself
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3
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4
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- Where do you “hide” your passwords?
- Consider how many of them are worth protecting
- ATM, online banking and bill paying, PayPal, etc.
- How easy would it be to guess your passwords?
- If someone gets one of your passwords, how many different places or
accounts could they use?
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5
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- Method of getting a password by systematically entering every word in a
dictionary
- Programs generate and test words to gain access
- This kind of attack works because people choose ordinary words as
passwords
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6
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- Available on the Web; free downloads
- Google search on October 9, 2005 produced 5,340,000 results “password
hack programs” in 0.21 seconds
- Use caution when making online purchases
- Your credit card or Pay Pal accounts could be vulnerable
- Consider getting a credit card account with a very low limit to use
only for online purchases
- Never “save” passwords on your computer
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7
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- If the system supports it, use a password that has at least six mixed
case, alphanumeric, and non-alphanumeric characters
- Consider a “pass phrase”
- ourAqt2
- maDamimaDam!
- eYemL8agin
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8
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9
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- If you do have a strong password, how difficult would it be to get that
password from you?
- You would be amazed at how quickly people will divulge passwords and
why…
- Most people will give up their passwords when asked
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10
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11
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- Viruses are no longer your biggest threat
- 1 in 61 messages is virus-infected*
- Antivirus software is still important and follow the same preventive
practices
- Do not open attachments that you are not expecting
- Update antivirus software DAILY
- Delete email from unknown senders
- NEVER open attachments or
download graphics from unknown senders
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12
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13
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- Antivirus software is still a must because viruses still exist
- It must be updated on a very regular basis—daily!
- Free downloads that are effective
- AntiVir PersonalEdition Classic
- avast! 4 Home Edition
- AVG Free Edition
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14
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- Remember that these can also become infected with viruses, just like any
other disk
- Use caution when attaching a flash drive to a computer
- Scan these disks for viruses just like other disks
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15
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- Everyone falls for them
- Common characteristics
- Hoaxes usually tell you to forward the mail to everyone you know
- They play on emotions to make sure you do that
- Check before you forward mail
- One person’s email is another person’s spam
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16
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17
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- Unsolicited email that is often created from distribution lists
- Obtained from web pages
- Auto-generated email addresses
- Purchasing email addresses through list brokers
- "Remove me" options on spam are often fake
- A 2002 study by the FTC demonstrated that in 63% of the cases, the
"remove me" option did nothing or resulted in more e-mail*
- Major problem for all Internet users because it accounts for between
45-66% of all email
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18
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- 10 out of 12 messages are spam*
- Don't give out your email address arbitrarily
- Be cautious when posting your email address
- Check privacy policies when signing up for anything on the Web
- Be aware of options selected by default
- U. S. Computer Emergency Readiness Team
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19
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- Don't follow links in spam messages
- Disable the automatic downloading of graphics in HTML mail
- Consider opening an additional email account
- Filter your email for key words
- U. S. Computer Emergency Readiness Team
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20
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21
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22
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23
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24
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- A fraudulent message that is legitimate-looking email that appears to
come from a trusted source
- Attempts to get personal and/or financial information from the
recipient
- Sources that are frequently spoofed by phishers include PayPal, eBay,
Best Buy, and America Online
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25
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- Pay Pal, eBay, AOL, and others have provided special email addresses
where you can forward a suspected phishing message for analysis
- Do not click on links in the original message
- Forward the suspected message back to “the source” to learn whether it
is legitimate
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26
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27
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28
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29
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30
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31
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32
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33
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- “Any technology that gathers information about a person or organization
without their knowledge.
- On the Internet, spyware is programming that is put in someone's
computer to secretly gather information about the user and relay it to
advertisers or other interested parties.
- Spyware can get in a computer as a software virus or as the result of
installing a new program.”
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34
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- Tracking your keystrokes, which can aid in identity theft
- Changing your homepage (the website that your browser opens to)
- Tracking your Internet usage
- Secretly downloading and running files from unknown locations
- Installing viruses
- Initiating many annoying pop-ups/pop-unders (a window that randomly
"pops up" while online)
- Slowing system performance
- Slowing Internet Explorer performance
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35
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- Microsoft Anti-Spyware (free!)
- Lavasoft Ad-Aware (free!)
- Spyware Blaster (free!)
- Spybot (free!)
- eTrust Pest Patrol ($20)
- Using an anti-spyware “cocktail” can stop more intrusions than a single
software application
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36
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- Small programs that record each key a user types
- These programs can be downloaded as a form of spyware
- Information can be sent over the Internet
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37
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- Changing your home page to a web site that promotes unsavory or illicit
activities
- Can also make your web browser continue to open windows to such sites,
even if you are not using your web browser
- Hijacking often occurs by clicking on certain ads or links
- Usually advertising activities that are somewhat less than respectable
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38
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39
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40
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- Hardware or software that prevents other Internet users (individuals or
groups) from accessing your computer
- Windows XP has a built-in firewall which can be enabled through the
Control Panel
- (available in Service Pack 2 if you have an older version of XP)
- Other firewall software is free on the Web
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41
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- You can get more than you pay for with any of these free downloads
- Kerio Personal Firewall 4
- Sygate Personal Firewall 5.x
- ZoneAlarm 6
- Microsoft XP Service Pack 2
- Outpost Firewall Free 1.0
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42
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- Many homes and businesses now have wireless networks, but what about security?
- Can neighbors log into the network?
- Change the administrator username and password
- Turn on the encryption feature
- Turn off the network when not in use for long periods of time
- Be cautious when using wireless networks at coffee shops, restaurants,
and hotels
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43
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- You can use a number of websites to remove personal contact information
- 10 of these opt-out sites can be found at
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44
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- Security software must be constantly updated
- When your computer is turned off, there is a window of vulnerability
between the time you turn the computer back on and when software is
updated
- Turn off the printer, monitor and other peripherals to save energy
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45
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46
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- H.R. 744, also known as the I-SPY Act, is a bill that would make it a
crime to use spyware, to instigate phishing, or to use other methods to
get personal information without someone's knowledge or consent.
- The bill passed the U.S. House of Representatives on May 23, 2005
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47
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- First and last names
- Home or other physical addresses
- Email addresses
- Telephone numbers
- Social Security numbers
- Tax identification numbers
- Driver's license numbers
- Passport numbers
- Credit card numbers
- Bank account numbers, and passwords or access codes
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48
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- Whatis.com: Word of the Day: I-SPY Act. Electronic newsletter. 2 June
2005. Whatis.com.
- http://searchsecurity.techtarget.com/sDefinition/0,290660,sid14_gci1093105,00.html?track=NL-34&ad=517673
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49
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Notes
