Security+ Objective 1.1 – Differentiate among various systems security threats – Virus

• Virus
The term “virus” is used pretty loosely for any malicious software (malware) these days. DON’T use it loosely on the exam. There are specific characteristics of a virus that set it apart from other malware. Here’s what you need to know:

  • A virus reproduces by copying itself to “infect” its target
  • A virus doesn’t spread without human action
  • A virus is associated with an executable file of some sort

Just to be clear: spyware, worms, trojan horses, and other malware all have their own characteristics that set them apart.  Keep reading all the posts to make sure you know the differences.

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