- How Seriously Should You Take Threats to Network Security?
- Identifying Types of Threats
- Assessing the Likelihood of an Attack on Your Network
- Basic Security Terminology
- Concepts and Approaches
- How Do Legal Issues Impact Network Security?
- Online Security Resources
- Test Your Skills
Test Your Skills
Multiple Choice Questions
You are trying to explain security to a nontechnical manager. She has taken a rather extreme view of computer security. Which of the following is one of the extreme viewpoints about computer security discussed in this chapter?
The federal government will handle security.
Microsoft will handle security.
There are no imminent dangers to your system.
There is no danger if you use Linux.
You have just taken over as network security administrator for a small community college. You want to take steps to secure your network. Before you can formulate a defense for a network, what do you need?
Appropriate security certifications
A clear picture of the dangers to be defended against
To finish this textbook
The help of an outside consultant
Mary is teaching an introductory cybersecurity course to freshmen. She is explaining to them the major threats. Which of the following is not one of the three major classes of threats?
Attempts to intrude on the system
Online auction fraud
Denial of service attacks
A computer virus
Being able to define attack terms is an important skill for a cybersecurity professional. What is a computer virus?
Any program that is downloaded to your system without your permission
Any program that self-replicates
Any program that causes harm to your system
Any program that can change your Windows Registry
Being able to define attack terms is an important skill for a cybersecurity professional. What is spyware?
Any software that monitors your system
Only software that logs keystrokes
Any software used to gather intelligence
Only software that monitors what websites you visit
What is a penetration tester?
A person who hacks a system without being caught
A person who hacks a system by faking a legitimate password
A person who hacks a system to test its vulnerabilities
A person who is an amateur hacker
Elizabeth is explaining various hacking terms to a class. She is in the process of discussing the history of phone system hacking. What is the term for hacking a phone system?
What is malware?
Software that has some malicious purpose
Software that is not functioning properly
Software that damages your system
Software that is not properly configured for your system
What is war-driving?
Driving and seeking a computer job
Driving while using a wireless connection for hacking
Driving looking for wireless networks to hack
Driving and seeking rival hackers
What is the name for the hacking technique that involves using persuasion and deception to get a person to provide information to help compromise security?
There are many threats on the Internet. Which one is currently the most common may change over time, but certain threats have always been more common than others. Which of the following is the most common threat on the Internet?
What are the three approaches to security?
Perimeter, layered, hybrid
High security, medium security, low security
Internal, external, and hybrid
Perimeter, complete, none
Defining your security strategy is an important step in securing a network. You are trying to classify devices based on the approach they take to security. An intrusion detection system is an example of which of the following?
Good security practices
Which of the following is the most basic security activity?
The most desirable approach to security is one that is which of the following?
Perimeter and dynamic
Layered and dynamic
Perimeter and static
Layered and static
According to a survey of 223 computer professionals prepared by the Computer Security Institute, which of the following was most often cited as an issue by respondents?
Which of the following types of privacy law affects computer security?
Any state privacy law
Any privacy law applicable to your organization
Any privacy law
Any federal privacy law
The first computer incident-response team is affiliated with what university?
Massachusetts Institute of Technology
California Technical University
Which of the following is the best definition of the term sensitive information?
Any information that has an impact on national security
Any information that is worth more than $1,000
Any information that if accessed by unauthorized personnel could damage your organization in any way
Any information that is protected by privacy laws
Which of the following is a major resource for detailed information on a computer virus?
The MIT Virus Library
The Microsoft Virus Library
The F-Secure Virus Library
The National Virus Repository
Exercise 1.1: How Many Virus Attacks Have Occurred This Month?
Using some website resource, such as www.f-secure.com, look up recent computer virus outbreaks.
How many virus outbreaks have occurred in the past 7 days?
Write down how many outbreaks have occurred in the past 30 days, 90 days, and 1 year.
Are virus attacks increasing in frequency?
Exercise 1.2: Learning About Cookies as Spyware
Get an idea of what kind of information cookies store. You might find the following websites helpful:
Write a brief essay explaining in what way cookies can invade privacy.
Exercise 1.3: Hacker Terminology
Use the Hacker’s Dictionary at http://www.outpost9.com/reference/jargon/jargon_toc.html to define the following hacker terms:
Exercise 1.4: Using Security Resources
Using one of the preferred web resources listed in this chapter, find three policy or procedure documents from that resource.
List the documents you selected.
Write a brief essay explaining why those particular documents are important to your organization’s security.
Exercise 1.5: Learning About the Law
Using the Web, journals, books, or other resources, find out if your state or territory has any laws specific to computer security. You might find the following websites helpful:
List three laws that you find for your region and provide a brief one- or two-sentence description of each.
Project 1.1: Learning About a Virus
Using web resources from Appendix A and sites such as www.f-secure.com, find a virus that has been released in the past 6 months.
Research how the virus spread and what damage it caused.
Write a brief (half to one page) paper on this virus. Explain how the virus worked, how it spread, and any other essential information you can find.
Project 1.2: Considering the Law (a Group Project)
Write a description of a computer law that you would like to have passed, along with specifics related to its implementation, enforcement, and justification.
Project 1.3: Recommending Security
Using the Web, journals, or books, locate security recommendations from any reputable source, such as the SANS Institute. Any of the sites mentioned in the “Online Security Resources” section of this chapter would be a good choice.
List five of those recommendations.
Explain why you agree or disagree with each of these five recommendations.