1. Ensure your Operating System is up to date and safely configured
Ø Windows can be set to download security updates automatically and prompt you for permission to install them. http://windowsupdate.microsoft.com/
Ø Make sure the security settings on your Web browser are at medium or high. If you are using Internet Explorer this can be done by going to Tools>Internet Options>Privacy.
Consider using a more secure browser such as Firefox or Internet explorer2. Check your system for viruses
2. Check your system for viruses
A virus is so called because it reproduces itself by using the facilities of the host PC to copy itself to removable media and attach itself to emails, without your knowledge.. Most commonly you get one by opening an email attachment or copying (from deceptive software on the Internet or a bootleg CD) a program containing the virus, on to an unprotected PC. They take over the compromised PC and either trash your data or use your PC like a zombie to send hundreds or thousands of emails containing copies of itself, and/or spam, maybe with copies of your confidential data, to everybody in your address book.
There are many virus checking services offered free by the various Anti Virus vendors, such as
#1 BitDefender Antivirus
#2 Kaspersky Anti-Virus
#3 Webroot Anti-Virus
#4 Norton Anti-Virus
#5 Eset Nod32 Anti-Virus
#6 AVG Anti-Virus
#7 G Data Anti-Virus
#8 Avira Anti-Virus
#9 Vipre Anti-Virus
#10 Trend Micro PC-cillin Anti-Virus
These are the best 10 antivirus rating in 31 march 2011
List of some harmful virus affecting Operating system
Read carefully from these atleast one will affect your Pc,if u are not aware of virus,Beware of virus
Your 200MB hard drive suddenly shrinks to 80MB, and then slowly expands back to 200MB.
PAUL REVERE VIRUS:
This revolutionary virus does not horse around. It warns you of impending hard disk attack---once if by LAN, twice if by C:>.
POLITICALLY CORRECT VIRUS:
Never calls itself a "virus", but instead refers to itself as an "electronic microorganism."
RIGHT TO LIFE VIRUS:
Won't allow you to delete a file, regardless of how old it is. If you attempt to erase a file, it requires you to first see a counselor about possible alternatives.
ROSS PEROT VIRUS:
Activates every component in your system, just before the whole darn thing quits.
ARNOLD SCHWARZENEGGER VIRUS:
Terminates and stays resident. It'll be back.
FEDERAL BUREAUCRAT VIRUS:
Divides your hard disk into hundreds of little units, each of which does practically nothing, but all of which claim to be the most important part of your computer.
TERRY RANDALL VIRUS:
Prints "Oh no you don't" whenever you choose "Abort" from the "Abort" "Retry" "Fail" message.
TEXAS VIRUS:
Makes sure that it's bigger than any other file.
CONGRESSIONAL VIRUS:
The computer locks up, screen splits erratically with a message appearing on each half blaming the other side for the problem.
PBS VIRUS:
Your programs stop every few minutes to ask for money.
ELVIS VIRUS:
Your computer gets fat, slow and lazy, then self destructs; only to resurface at shopping malls and service stations across rural America.
OLLIE NORTH VIRUS:
Causes your printer to become a paper shredder.
SEARS VIRUS:
Your data won't appear unless you buy new cables, power supply and a set of shocks.
JIMMY HOFFA VIRUS:
Your programs can never be found again.
KEVORKIAN VIRUS:
Helps your computer shut down as an act of mercy.
IMELDA MARCOS VIRUS:
Sings you a song (slightly off key) on boot up, then subtracts money from your Quicken account and spends it all on expensive shoes it purchases through Prodigy.
LAPD VIRUS:
It claims it feels threatened by the other files on your PC and erases them in "self defense".
ORAL ROBERTS VIRUS:
Claims that if you don't send it a million dollars, it's programmer will take it back.
3. Install a Firewall
A personal firewall blocks unauthorised network connections from either entering or leaving the computer. This helps protect you either from malware entering your PC, or using it to attack others. You can download the following personal firewall from:
http://www.zonelabs.com/store/content/company/products/znalm/freeDownload.jsp4. Block SpyWare and Identity Theft
"Spyware" is any technology that aids in gathering information about a person or organization without their knowledge. On the Internet, it gathers information such as email addresses, passwords, phone numbers, and credit card numbers, and relays it to advertisers or other interested parties. It is not to be confused with "Cookies" which are small files that contain a record of the last time you visited a web site; many e-commerce sites require their use to recognise returning visitors.
5. Be vigilant to protect your privacy
Ø Identity theft can ruin your credit rating and take months of effort to recover from. Exercise caution in your business affairs.
Ø If you receive an email allegedly from your bank, or Ebay, PayPal, FedEx, etc, asking you to verify your credit card data, it is almost certainly a scam, called "phishing". Sometimes it is inexpertly done and the web site address is not the real address but some variation on it. For example, ebay-accounts.com rather than ebay.com; or yourbankname.kr rather than yourbankname.ie. Report such attempts to the financial institution involved.
Ø Actually read the privacy policy and terms and conditions of a site before you give them personal data. Look for the check box that sometimes says "Allow third parties to send me emails" and sometimes "I do not want my address given away". Legitimate companies will allow you to unsubscribe from an e-mail list by replying with 'remove'. Best practice is not to send unsolicited commercial email at all. But never reply to spammers, as your reply verifies that they have found a valid e-mail address, and you’ll be on their list and everyone else's that they can sell that verified address to.
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