What is the most common way for a virus to spread?

MacDefender was first seen in the early months of 2011.

The point where the backbones of the Internet connect is called what?

The ... attack essentially realizes that the hash cannot be reversed; rather than trying to find out what the password is, the attacker just sends over the hash. If the attacker can obtain a valid username and user password hashes values (just the hash—the attacker does not know the actual password), then the hacker can use that hash, without ever knowing the actual password.

Which of the following is the most basic security activity?

It is transmitted as a zip file attached to an email. The email claims that the zip file contains data related to an invoice, tax issue, or similar urgent paperwork. This is a classic example of attempting to entice the recipient to open the attachment. What is it?

What protocol is used for web pages, and what port does it work on?

A Vietnamese name of a router is…

In 2014 the U.S. Department of Justice was able to temporarily shut down communication with the command and control computers; then in 2015 the FBI announced a reward of $3 million for information leading to the capture of … for his alleged involvement with Gameover ZeuS

What other way can a virus scanner work?

............. from Chapter 2 that typing in ping /? will show you all the options for the ping command.