Malware

Malicious programs that try to compromise at least one security aspect.

Virus

Malware that depends on the host system that may also be self replecating.

• Boot: Infects the master boot record (MBA) to run before any anti virus starts
• File: Is part of a library or file that get's shared
• Macro: Freely executable sequence of instructions

Worm

Self replicating malware which is not dependent on a host system.

Trojan Horse

Disguise itself in the form of a usefull program.