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

• Worms
A worm is not the same a virus.  It is a form of malware. There are specific characteristics of a worm that set it apart from other malware. Here’s what you need to know:

  • A worm reproduces by replicating itself across a network
  • A  worm needs no human action to spread itself
  • A worm doesn’t need to attach to a program or executable

Worms sometimes deliver damaging malware as payload.  Worms may or may not carry out any other function but spreading itself is damaging to a network because of the bandwidth usage. 

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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