Definition of a Keylogger
Keyloggers are programs that record keystrokes while a user is logged on to a computer. These programs can be installed in a number of ways and may store the results of the logging locally, as a file on the computer, or remotely, by transmitting the data to another computer over the Internet.
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Function
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Keylogging programs are designed to be covert so they can silently record keystrokes. Users are often unaware a keylogger is present on their computers.
Types
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Some keyloggers are viruses or malicious software designed to steal data. Others are security-oriented, such as those installed on corporate systems to track employee activity.
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Significance
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The presence of a keylogger on a personal computer typically represents a security threat.
Potential Harm
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Keyloggers can compromise sensitive personal data, such as website logins and bank account numbers.
Prevention/Solution
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Antivirus, antispyware and firewall software can prevent the installation of keyloggers and aid in the removal of existing installations.
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