2009年4月14日星期二

How Secure Is Your Transaction when order online?

Secure Internet Connections
How can you tell if a web site is secure?
It uses encryption technology to transfer information from your computer to the online merchant's computer. Encryption scrambles the information you send, such as your credit card number, in order to prevent computer hackers from obtaining it en route. The only people who can unscramble the code are those with legitimate access privileges.
Many web sites use Secure Sockets Layer (SSL) technology to encrypt the credit card information that you send over the Internet.These sites usually inform you they are using this technology. Or, check if the web address on the page that asks for your credit card information begins with "https:" instead of "http:"; if so, this technology is in place.
If you look at the top of your screen where the web site address is displayed, you should see https://. The "s" that is displayed after"http" indicates that web site is secure. Often, you do not see the "s" until you actually move to the order page on the web site. A different security technology, which works on different principles, is Secure Electronic Transaction, or SET, technology. SET or SSL technology are designed to make your connection secure. Other ways to tell whether a web site uses security software:
Your browser displays the icon of a locked padlock at the bottom of the screen (Netscape Navigator™; - versions 4.0 and higher);
Another way to determine if a web site is secure is to look for a closed padlock displayed at the bottom of your screen. If that lock is open, you should assume it is not a secure site.
You see the icon of an unbroken key at the bottom of the screen (earlier versions of Netscape Navigator™); You see the icon of a lock on the status bar (Microsoft Internet Explorer®).
Phone-In Option
Would you rather give your credit card information over the
phone?
Many web merchants allow you to order online and give your creditcard information over the phone. If you’re more comfortable with this option, make a note of the phone number, company, the date and time of your call, and the name of the person who recorded your credit card number. Of course, transmitting your data over secure channels is of little value to you if the merchant stores the data unscrambled. You should try to find out if the merchant stores the data in encrypted form. If a hacker is able to intrude, it cannot obtain your credit data and other personal information. Be sure to read the merchant's privacy and security policies to learn how it safeguards your personal data on its computers.
You should only give your password and credit card number in a
secure connection on a web site, not in ordinary e-mail. "Theft of identity," in which someone gets access to your bank account or gets credit cards or loans in your name, is a growing problem, and you should carefully guard personal information that might allow a thief to impersonate you.
Passwords
Do you use different passwords?
If you use a password to log on to your network or computer, use a different password for orders. Some web sites may require you to create a password for future orders. You may want to create a special password for particularly sensitive sites, such as your home banking site.
How did you choose your password?
The best passwords are not your address, birth date, phone
number, or recognizable words. Choose a string of at least five
letters, numbers, and punctuation marks. One easy way to create a memorable password is to take the first letter of each word in an expression or song lyric, and add some numbers and punctuation marks. For example, "tmottobg!5" is derived in part from "Take Me Out To The Old Ball Game."
How should you record your password?
Don’t write down any password near your computer where someone could see it. If you do record it somewhere, reverse the order of the characters or transpose some letters or numbers. That way, someone finding it won’t have discovered your true password.
Who wants to know your password or other identifying information?
Be very careful about responding to an e-mail, phone call, fax, or letter from anyone who asks for your password(s), social security number, birth date, bank account, credit card number, mother’s maiden name, or other personal information. To verify that the person contacting you really does work for the seller, call and request to speak to that person directly. Except for your password and credit card number, you should never have to give any other information to place an order online.
Viruses
How can you avoid viruses?
If you receive an unsolicited commercial message, you should not open any attached file whose name ends in ".exe." Clicking on such files could activate a computer virus that might affect the operation of your computer and/or damage the information stored on your computer. You can also protect yourself against viruses carried by e-mail or by computer files that you’ve received on a floppy disk, by
purchasing and installing on your computer or network a virusprotection program.


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