In some cases the sparse infector targets a specific program but the virus only executes every 10th time or 20th time that target program executes. Or a sparse infector may have a burst of activity and then lie dormant for a period of time. There are a number of variations on the theme, but the basic principle is the same: to … the frequency of attack and thus reduce the chances for detection.

The basic concept requires a .........of technical skill.

If such a … is attached to an email and the recipient is using Outlook, then the … can execute. That execution can do any number of things, including scanning the address book, looking for addresses, sending out email, deleting email, and more.

Once a virus is on your system, it can do anything that any … program can do. That means it could potentially delete files, change system settings, or cause other harm

A … IDS just monitors suspicious activity and then logs it.

With …, an attacker injects client-side script into web pages viewed by other users.

The TCP protocol operates at what layer of the OSI model?

If you enter username 'jdoe' and the password 'password', this code produces this SQL command: