Internet Security Basics 101

The explosive growth of the Internet has meant thatthat haven't yet infected your PC and eliminate the
thousands of people are today experiencing the joysones that have.Antivirus software can only protect
of being online for the first time. With growth thereyour computer from viruses trying to infect it via email,
always comes pain. Be it your growing pains as a childCD-Rom, floppy disk, Word documents or other types
or the growth and development of this part of ourof computer files. Antivirus software alone will not
culture called the Internet.Firstly we need to quicklykeep your computer 100% safe. You also need to use
explain what the Internet is and where it came from.firewall software.Firewall SoftwareThe use of firewall
The Internet is the offspring of a military project calledsoftware by home computer users is a relatively new
Arpanet. Arpanet was designed to provide reliableoccurence. All Internet connections are a two way
communication during global nuclear war. A vastprocess. Data must be sent and received by your
network of interconnected computers was set up allcomputer. This data is sent through something called
over the world to allow the various branches of USports. These are not physical things rather aspects of
and NATO forces to communicate with eachthe way your computer communicates online.Firewall
other.Nuclear war never came (thankfully) and thesoftware watches these ports to make sure that only
world was left with a massive network of computerssafe communication is happening between your
all connected together with nothing to do. Colleges andcomputer and other computers online. If it sees
universities started to use these computers for sharingsomething dangerous happening it blocks that port on
research internationally. From there it grew and spreadyour computer to make sure your computer stays
outside colleges to local homes and businesses. Thesafe from the person who is trying to hack into your
World Wide Web was born and its father was a guysystem.An easier way to understand a firewall would
called Tim Berners Lee.When you're connected to thebe to picture your computer as an apartment complex.
Internet you're sharing a vast network with hundredsAt the front door of this complex there is a security
of millions of other users. This shared networkguard. Every person who enters the complex must
provides resources that 15 years ago were neverpass this security guard. If the security guard
thought possible. Unfortunately when something isrecognizes the person entering as a resident he allows
shared its open to abuse. On the Internet this abusethem to pass without saying anything. If, however, the
comes from hackers and virus creators. Their soleperson entering the complex is unknown to him then
intent is to cause chaos and/or harm to your computerhe will stop that person and ask for identification. If
system and millions of other computer systems allthey have no business being at the apartment
over the world.How do you combat this? You need ancomplex he escorts them from the building.If you are
Internet security system. This might sound complicatednot currently using firewall software your computer will
but your Internet security system will be quiteget hacked into - that's a guarantee.PopUp
straigtforward being comprised of just 2 - 3 InternetBlockerYou can get a good popup blocker at no cost.
security products. We'll look at each of these productsAn easy way to do this is to install either the Google
in more detail now:AntiVirus SoftwareThe first andor Yahoo toolbar. Both of these come with popup
most critical element of your Internet security systemblockers built in. Popups are not necessarily dangerous
is antivirus software. If you don't have up-to-datebut are a nuisance and using either of these toolbars
antivirus software on your PC you're asking for trouble.will make your life that bit easier.A simple rule for
300 new viruses appear each month and if you're notpracticing online security is: "If in doubt then don't". If you
constantly protecting your system against this threatdon't recognize the file, the email address, the website
your computer will become infected with at least oneor if your gut feeling says "no" then don't click that
virus - it's only a matter of time.Antivirus softwarebutton.This article was provided courtesy of the
scans your PC for signatures of a virus. A virusSpyware And Malware Guide. This site offers
signature is the unique part of that virus. It can be a ainformation on how to remove spyware from your
file name, how the virus behaves or the size of thecomputer - often for free.
virus file itself. Good antivirus software will find viruses