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More sophisticated firewall that are popular among smallbusinesses are Norton Internet Security 2002 and Norton PersonalFirewall 2002.
5. All email attachments are to be regarded with particularsuspicion, since most viruses today are transmitted asattachments via email. Use [link widoczny dla zalogowanych] your anti-virus software to scan anyattachment before [link widoczny dla zalogowanych] opening it. It's also a good [link widoczny dla zalogowanych] idea never toopen an attachment unless you know the person who sent it toyou.
If you need proof, look no further than "Melissa" and "I loveyou," two email viruses that paralyzed computer systems aroundthe world as recently as 1999 and 2000. Another virus named"Nimda" infected approximately 2.2 million computers in about a24 hour period.
Such policies pay for replacing software and reinstalling data,as well as lost revenue for business interruption, if you arethe victim of a [link widoczny dla zalogowanych] hacker or virus attack.
~ Trojan Horse: A program that is not what it seems to be. Apopular version pretends to be and anti-virus fix and insteaddelivers a virus.
So what to do?
Even dial-up connections may be at risk, so install a firewall.Your firewall will act as your safe gatekeeper between yourcomputer system and Internet hackers.
The fact is, every time you log onto the Internet, send an emailmessage, open [link widoczny dla zalogowanych] on your data, documents, programs,or whole computer system.
There are now estimates of over 58,000 different known computerviruses currently in circulation. The risk of damage to yoursmall business computer system is increasing.
Copyright Steven Presar
Note that anti-virus software won't detect [link widoczny dla zalogowanych] hacker intrusions butyour firewall will. Your firewall won't detect viruses but youranti-virus software will -- so install both anti-virus andfirewall software on your system.
Email attachments are to be regarded with particular suspicion,since most real-world viruses today are transmitted asattachments via email. Use your virus software to scan anyattachment before opening it. It's also a good idea never toopen an attachment unless you know the person from whom it came.
8. Educate all your employees regarding computer virus. Mostviruses today are transmitted through emails with attachments,engineered to appeal to the recipient by promising a free screensaver, [link widoczny dla zalogowanych] party pictures, or photos of celebrities.
6. [link widoczny dla zalogowanych] Check your application software vendors' web [link widoczny dla zalogowanych] sites regularlyfor security patches. Keep up with computer security issues inthe news that might affect you.
~ Zombie: A dormant Trojan that is placed on a computer thenwaits for a command to do its damage.
Your personal peace of mind will more than make-up your effortsand the small cost outlay.
4. Shut down computers when not in use for the rest of the day.Or physically disconnect your computers from the Internet. Ifyou use a high-speed broadband connection, turn off yourhigh-speed modem when not in use.
Approximately 10 % of the U.S. Internet users have fast cablemodems or high-speed phone-based digital subscriber lines. The"always on" nature of these high-speed connections creates anopen door for these computer attacks. Firewalls are essentialfor those connecting to the Internet with high-speedconnections.
9. Consider purchasing computer system insurance. Most standardcommercial insurance policies exclude intangibles like data andsoftware. But insurers are starting to fill that gap withtechnology risk insurance, which can be added as an endorsementor purchased as a specialty policy.
10. If you do not feel your small business has technologyexpertise in house to handle your computer system backups andmonitor security -- consider out-sourcing your security needs.
1. Regularly backup everything that is of value that you havestored on your computer. A small business's biggest safeguardcould simply be backing [link widoczny dla zalogowanych] up your data. Some of today's virusesare so powerful, anti-virus software cannot clean infectedfiles; the software can only delete the infected [link widoczny dla zalogowanych] files.
~ Virus: A malicious code that alters the data on a computer andharasses the user by deleting data or altering operating systemfiles, especially boot files.
2. Use anti-virus software. Check for updates regularly. Scanall [link widoczny dla zalogowanych] the files on your [link widoczny dla zalogowanych] computer periodically.
What different types of computer attacks do you need to beconcerned about now?
7. Make sure you scan all floppy disks that you receive from anoutside source or that have been inside another computer beforeusing the disks. Likewise, scan all downloaded files beforeusing them, and only download files from trusted sources.
~ Worm: A virus that is self-replicating, most often throughemail
3. Your Internet connection needs a firewall (a protectivesoftware layer that sits between your computer and the outsideworld).
If you are using Microsoft's new Windows XP operating system,you [link widoczny dla zalogowanych] already have a firewall built in. If you're running an olderversion of Windows, consider installing Zone Alarm, which isfree for individual and nonprofit use.