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→Trojan Horses
== Trojan Horses ==
A trojan horse is a program which appears to serve a useful purpose but actually contains malicious code which executes when the user runs the application. Trojan horses are typically used to a open back door to the system on which they are executed allowing an intruder to subsequently gain access. It is always best to proceed with caution before downloading and installing any kind of free software downloaded from the internet. It also pays to frequently scan the ports on your system to ensure that a trojan horse is not lurking behind a port which not normally respond to a port scan.
== Logic Bombs ==
