What is keylogger ..?

HARDWARE keylogger

Keyloggers can generally be classified as either software or hardware keyloggers.     Software keyloggers are running as a background task on the system while hardware keyloggers are little devices that are most of the time connected between pc and keyboard recording every keystroke in their own memory.
        Keyloggers also known as key Stroke recorders are the softwares that can record the key strokes.These are Used in phishing websites to steal your username and password.These keylogger can also be installed on a computer and they can send usernames and passwords using your Internet connection.You can protect yourselfby folowwing steps..

1.Enable Your Firewall:-

Firewalls donot stop the keyloggers from entering into your PC But hey can help in stopping the keyloggers from sending your information.It is always recommended that you install a good firewall software to protect your computer from unauthorized access.By default Microsoft windows firewall is enabled.

2.Use Good Antivirus Software And Avoid Downloading cracked Softwares:-

Use good antivirus softwares like Norton,mcafee or use the free ones like Avg,Avast,Avira.They certainly provide a lot of protection against keylogger.Using a special Antispyware program also helps.And avoid downloading softwares which have been cracked.Also avoid using torrents as much as you can because torrents is the hub of viruses and home of hackers.

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If you believe that their is a keylogger in your system then you can do the following things to protect yourself

****.Keylogger runs in the background.Always check out for suspicious processes using task manger and end them.