Showing category "OnLine Security" (Show all posts)

What is a Social Engineer?

Posted by Sean Qiu on Sunday, July 12, 2009, In : OnLine Security 
A social engineer is someone who tries to trick you into providing information he or she is not authorized to have. The social engineer can use those information to access your computer, your personal bank account or spy on your computer. The social engineer might collect information that may seem harmless, such as your name, email address or your travel schedule. Much of this might be still usefull for these people.

Do you know how much these personal information worth in the black market? Ac...
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Surfing the Internet with cautions!

Posted by Sean Qiu on Wednesday, July 1, 2009, In : OnLine Security 
Surfing the Internet with cautions!

Many Internet users don't realize the potential dangers of the Internet surfing. Here, I will show you how to identify the methods used by hackers to trick people into visiting fake web sites:

1. Be vigilant on the Name of the web site you are going to visit since there is no exact formula to differentiate the reputable and non reputable web sites.
2. Be aware of some of the malicious software (malware) since this type of software is designed to harm your comp...
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Password protect your sensitive files!

Posted by Sean Qiu on Thursday, June 18, 2009, In : OnLine Security 
Password protect your sensitive files and folders:
It is strongly recommended to encrypt your files and folders when you want to transfer them to your friends, co-workers and relatives through public email accounts.

Microsoft Windows XP professional users, you can follow the below steps for encrypting the file. These steps applies to users who are using a computer that has different accounts. If you're using a single account for all users who use the computer you will need to see the below othe...
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Be caution when sharing photos on-line!

Posted by Sean on Friday, June 12, 2009, In : OnLine Security 
Be wise when posting your photos to a online photo sharing site or a social networking website. Recently, I read an article from Yahoo about a family photo posted on a person blog and a few social networking sites showed up in front of a grocery store front window in Prague in the Czech Republic.

You can see how easy people can get your photos off your blog or a social networking site without your notice. We've heard enogh about how the photos of celebrities were being manipulated by someone....
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Virtual Account Numbers?

Posted by Sean Qiu on Thursday, May 28, 2009, In : OnLine Security 

Has anyone use the virtual credit account number from Citi card?

What is virtual account numbers? According to Citicard website, it is a free security tool that allow you to generate a randome credit card number that's good for one merchant only and make it virtually impossible for anyone to steal your account number when you shop online. You will never have to give out your real credit card number online with this Virtual Account numbers.

It is actually quite easy to set it up. You ...


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About Me


I am an IT technical support engineer with over 10 years of experience on Windows, Linux, Unix and Solaris platform. I love working with computer.

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