Malicious Code, or sometimes known as “Attack Code” is a program code intended to perform an unauthorized function or process that will have adverse impact on the confidentiality, integrity, or availability of an information system. Some examples of malicious code include a computer virus, spyware, worms, software, scripts, and firmware.
Related Terms: Antivirus, Malicious Applet, Malicious Logic, Malware, Virus
Source: CNSSI 4009. NIST SP 800-53 Rev 4
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