Computer Tips
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Rotary International District 5170

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Computer Tips

A Dozen Computer Hygiene Recommendations
(for Windows users)
hy-giene:
conditions or practices (as of cleanliness) conducive to health

-- Merriam-Webster Dictionary

  1. Be super-suspicious. Do not trust any email message that asks for personal information, and do not complete any web forms that such email messages link you to. Watch out especially for messages that are apparently from Microsoft™, your bank, a vendor you have dealt with (e.g. eBay), or your ISP (Earthlink, Yahoo, etc.). Such links are almost always counterfeit!
  2. Do not send (or redistribute) email messages with long "To:" or "Cc:" lists. Move the distribution list to the "Bcc:" line, and address the message "To:" just one or two addresses (such as your own). (To make a "Bcc:" line available in Outlook Express, in the New Message box click View / All Headers.)
  3. Do not open an e-mail attachment unless either
    1. you can tell from its extension (see below) that it is "safe", or
    2. it comes from someone you trust as part of a current message that makes sense explaining what it is. (Note: Just appearing to come from someone you trust is not sufficient.)
    Note: By default Windows may hide certain "file name extensions" (the last three characters of a file name, after the last period). To "unhide" and see them: In "My Computer", go to [Tools / Folder Options] or [View / Folder Options], and on the View tab uncheck "Hide extensions for known file types".
    Attachments with the following extensions are safe: .txt, .pdf, .gif, .bmp, .jpg, .tif (and .rtf if opened with Wordpad).
    Attachments with the following extensions are NOT safe: .com, .exe, .pif, .sys, .ovl, .scr, .vbs, .bat, .reg, .zip.
    Attachments with .doc and .xls are safe only if you have set Tools / Macros / Security to "High" in Word and Excel.
  4. Use Windows Update regularly, and install all security patches. (My-Computer/Help/Help-and-Support-Center)
  5. Do not "preview" email; delete the obvious garbage messages by their titles without opening. (In Outlook Express, close the preview panel under View / Layout / Show-preview-pane.)
  6. Install a good, self-updating virus protection program (e.g. Norton AntiVirus, $40: www.Symantec.com/, or McAfee VirusScan http://us.mcafee.com/ $30/year.)
  7. If you want to check the authenticity of a message that appears to be from Microsoft, review the instructions on the following web site: http://www.microsoft.com/athome/security/email/ms_genuine_mail.mspx
  8. If you have a DSL or cable-modem Internet connection, install and use a firewall program. E.g.:
    • Turn on "Internet Connection Firewall" in Windows XP (under Control Panel / Network Connections / [network] / Properties / Advanced). And/or,
    • If you have multiple computers, access the Internet through a Router with a built-in firewall; or,
    • Use special firewall software, such as ZoneAlarm (free from http://www.zonelabs.com/)
  9. Control "cookies". In Internet Explorer, set "Tools / Internet-Options / Privacy" to at least Medium-High or customize it to "Block third party cookies."
  10. Install and periodically run a good "spyware" detection and removal program, such as Ad-Aware (free, from http://www.lavasoftusa.com/software/adaware )
  11. If you get a virus-warning email message, do not believe and forward it; first go to http://www.truthorfiction.com/ or http://www.snopes.com to find out whether it is valid.
  12. If infected with a virus, look at http://www.sarc.com/ for virus removal tools and other help.
  13. If you think your personal information may have been compromised, call Equifax at 800-525-6285 to put a "fraud alert" on your account at all three major credit-reporting bureaus (Equifax, Experian and TransUnion).

This was the Leadership Seminar of March 24, 2004, Handout of
Bert Raphael
bert@RaphaelConsulting.com