From the term "spyware" it is quite clear that this is a threat to your computer security.
This is also known as adware.
Most of the computer users are familiar with the term viruses, but the number of PC owners has also been increasing as they realizing the impact of spyware.
This malicious object is as lethal as viruses.
You will be astonished to know that spyware records your all online activities including keystrokes and file sharing activity as well as what you say on email and chat.
For safe and secure browsing, you should recognize and avoid spyware.
Who program spyware? From the discussion it is quite evident that hackers write these programs to steal your personal and sensitive information.
However, sometimes spyware aren't used for malicious purposes.
This is also commonly used to know your web browsing activity which is very much useful to advertisers in their marketing campaigns.
Spyware is installed without the knowledge of the computer users.
In most of the cases, they get installed when you install pirated software.
Besides transmitting your personal details, spyware also eat up a lot of your system resources.
As they transmit the information to its author it takes a lot internet bandwidth as well.
How will you understand whether your computer is infected by spyware or not? Well, there are many symptoms by which you can get an indication that your computer is infected by spyware.
Your desktop may be bombarded with endless pop-up windows.
You may also find that you are redirected to different websites other than the one you typed.
There are new, unexpected toolbars in your web browser.
You may also find new, unexpected icons in the task tray.
There are other indications as well.
For instance, if you find that your browser's home page is suddenly changed and random Windows error messages begin to appear, then too there are chances that your computer is infected by spyware.
Now the million dollar question is how to protect your computer against the attack of spyware.
There are PC repair companies that offer spyware removal support to the computer users.
But it is always recommended to remember some safety tips.
You should not click on links within pop-up windows as mostly pop-up windows are a product of spyware.
If you click on the window, it may install spyware software on your computer.
In many cases we download software from various websites.
Be careful while downloading.
There are many websites that offer free software that integrate spyware.
If you install software from this site, it will also install the spyware.
You should also adjust your browser preferences for limiting pop-up windows and cookies.