Keyloggers :-
Keystroke logging (often called keylogging) is a method of capturing and recording user keystrokes. The technique and name came from before the era of the graphical user interface; loggers nowadays would expect to capture mouse operations too. Keylogging can be useful to determine sources of errors in computer systems, to study how users interact and access with systems, and is sometimes used to measure employee productivity on certain clerical tasks. Such systems are also highly useful for both law enforcement and law-breaking—for instance, providing a means to obtain passwords or encryption keys and thus bypassing other security measures. Keyloggers are widely available on the Internet.
There are currently two types of keylogging methods, hardware and software based.
For more Keyloggers click here.
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Since these files have been quarantined, it is as good as their not being present in the system.
There is no way these files can be executed again. To protect your system from such loggers permanently, it is advisable that you use `Real Time Protection' software such as the MS Anti Spyware tool. This will prevent loggers and spyware from entering your system.
Spyware Doctor also has the Real Time Protection feature, but it is not enabled till you pay and become a registered user.
So, for now, it will detect the loggers only when you run it. MS Anti Spyware is totally free with realtime-protection enabled.
You can download it from this URL: http://www.microsoft.com/athome/security/spyware/software/default.mspx
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