Protect your PC from Infection

The Web is increasingly used by white-collarOnce you are connected to the Internet, you
criminals for fraudulent purposes. You can thwarthave established a conduit which the baddies can
these malicious activities by being watchful and bytry to exploit to overcome your PCs protection.
activating the following 5 steps to protect yourA firewall can check incoming requests and only
computer and yourself.let the benign requests have access to your
1. Install anti-virus software and infectionmachine. It will block all other attempts to access
protection software.your computer. Firewall software protects your
2. Install a firewall and monitor all attempts tocomputer from crackers and other undesirable
access your data.attacks. As with the virus and spyware programs,
3. Always upload the latest version of youryou should set your firewall software to
operating system.automatically search for changes and install them
4. Do not open attachments or click on linkswhen they become available.
contained in e-mail originating from unknownStep 3: Always run the latest version of your
persons.browser and operating system.
5. Do not download freeware or shareware fromThe operating system that runs your computer is
unfamiliar sources.constantly updated by the software companies
Step 1:  Install anti-virus software andwho produce them. Microsoft, for example, offer
anti-spyware/adware software.an automatic update facility for their various Win
What is anti-virus software?operating systems and they are continually
Anti-virus software comprises routines designedupdating their systems to make them operate
to find out if your PC is infected by a maliciousmore efficiently and faster and to provide new
threat. If any threats are found on yoursecurity features and defenses against unwanted
computer, you can set the anti-virus program tointrusion. You can set your operating system to
quarantine or delete the infection.check for and download updates to Windows
Why is anti-virus software required?automatically. To make sure that your operating
Malware (malicious software which includessystem is secure, it is important to make sure
viruses, adware, spyware, Trojans, keyloggersthat you're running the current version.
and other destructive programs) is nowWeb browsers (Internet Explorer, Mozilla Firefox,
commonplace on many people's computers.Apple Safari etc.) are updated frequently by the
Recent estimates state that the vast majority ofvendors as well. Verify that you are using the
PCs which connect regularly to the Internet havelatest version of your favorite browser.
some kind of malware problem. In many cases,Step 4: Take care when opening email
there is no real permanent damage to the PC, butattachments or clicking on links contained in email
malware can also be extremely vicious, deletingmessages from people you don't know.
information and interfering with operating systemSending a virus or a trojan in an attachment to an
functionality, and in the case of spyware/adware,email message is a common way to infect your
sending valuable details such as credit cardPC. When you open the attachment, your
numbers, financial records and passwords to acomputer becomes infected. If you receive an
criminal third party.email from an unfamiliar source, do not open it.
To augment the protection afforded by a goodDelete it immediately. If you're given a link to a
anti-virus program, it pays to also acquire ansite you don't know, don't click on it. Even emails
effective anti-spyware/adware program.from places you would normally trust (your bank,
What is spyware/adware software?your credit card company etc.) may have been
Spyware or Adware are infections whichcreated by criminals. If you're not sure, don't use
piggy-back on free downloaded Interneta provided link, and enter the URL manually. The
software, often games, music, screensavers,link in the message may take you to a facsimile
utilities and other seemingly innocent pieces ofof your financial institution's site and will retain
software, and they install themselves unknown toyour access codes thereby providing the thieves
the computer user. Once installed, they can seewith access to your accounts. This activity is
what you're accessing on the Internet and inknown as 'phishing' and is very widespread
some cases can be used to transmit personalnowadays.
information to a hacker. This information can beSuspicion is your best friend under these
used to assume your identity online.circumstances. Never respond to any message
Tips for using anti-malware software:that asks for any of the following information:
Set up anti-virus software on your PC and set itPassword
to automatically scan files.Logon code
Do the same with your anti-spyware/adwarePersonal Identification Number (PIN)
program.Credit card validation code
Be aware of the limitations of free protectionBank account numbers
software. It may not have all the componentsATM or credit card numbers
needed to clean your computer of infection, andPersonal information, such as Social Security
give-away applications can sometimes evennumber or identity number
contain the malicious software which they purportInform your financial institution immediately if you
to be fighting! Only buy from well-known vendors.are targeted by this kind of email.
New types of malware are constantly beingStep 5: Don't download freeware or shareware
discovered, and it's a good idea to set yourfrom an unfamiliar source.
protection software to keep your programWhat is freeware or shareware?
updated by downloading the new updates fromSome people develop software which they then
the software publisher when they are available.offer as downloadable applications on the Internet.
Step 2: Buy a personal firewall and monitor andThese are usually enthusiasts who genuinely want
filter all necessary incoming and outgoingto share their skills for free with other people.
connections.Shareware is similar, but often the developers ask
What is a software firewall?for a nominal fee for their efforts. Lots of useful
A firewall is a guardian and acts as a interfaceprograms can be found on the Internet written
between your PC and the Internet, and performsby individuals and both small and large companies,
the function of monitoring and blocking externalbut unfortunately in some cases the software is
threats to your PC. Firewalls come in hardwaremalicious in nature and contains code which could
and software versions, and if you use a hardwaredamage your computer.
router, normally a hardware firewall is built intoThe only answer is for you to be very wary of
this piece of equipment. It makes sense to add awhat you download from the internet, and if you
software firewall on your computer todo download a piece of software, check it for
supplement the level of protection for yourinfection before you install it on your PC.
system.Keep your wits about you on the Internet!
Why should I use a firewall?