Deck 8: Securing Information Systems

Question 1

Which of the following is a virus that uses flaws in Windows software to take over a computer remotely?

A) Sasser
B) Zeus Trojan
C) Melissa
D) ILOVEYOU
E) Conficker

Answer 1

E

Question 2

Using numerous computers to inundate and overwhelm the network from numerous launch points is called a(n) ________ attack.

A) DDoS
B) DoS
C) SQL injection
D) phishing
E) botnet

Answer 2

A

Question 3

A salesperson clicks repeatedly on the online ads of a competitor's in order to drive the competitor's advertising costs up. This is an example of

A) phishing.
B) pharming.
C) spoofing.
D) evil twins.
E) click fraud.

Answer 3

E

Question 4

________ refers to policies, procedures, and technical measures used to prevent unauthorized access, alteration, theft, or physical damage to information systems.

A) "Security"
B) "Controls"
C) "Benchmarking"
D) "Algorithms"
E) "Identity management"

Question 5

________ is malware that logs and transmits everything a user types.

A) Spyware
B) A Trojan horse
C) A keylogger
D) A worm
E) A sniffer

Question 6

________ is malware that hijacks a user's computer and demands payment in return for giving back access.

A) A Trojan horse
B) Ransomware
C) Spyware
D) A virus
E) An evil twin

Question 7

The Internet poses specific security problems because

A) it was designed to be easily accessible.
B) Internet data is not run over secure lines.
C) Internet standards are universal.
D) it changes so rapidly.
E) there is no formal controlling body.

Question 8

A Trojan horse

A) is software that appears to be benign but does something other than expected.
B) is a virus that replicates quickly.
C) is malware named for a breed of fast-moving Near-Eastern horses.
D) installs spyware on users' computers.
E) is a type of sniffer used to infiltrate corporate networks.

Question 9

Client software in a client/server environment is specifically vulnerable to

A) DoS attacks.
B) vandalism.
C) fraud.
D) radiation.
E) unauthorized access.

Question 10

Which of the following statements about the Internet security is not true?

A) The use of P2P networks can expose a corporate computer to outsiders.
B) A corporate network without access to the Internet is more secure than one that provides access.
C) VoIP is more secure than the switched voice network.
D) Instant messaging can provide hackers access to an otherwise secure network.
E) Smartphones have the same security weaknesses as other Internet devices.

Question 11

________ refers to all of the methods, policies, and organizational procedures that ensure the safety of the organization's assets, the accuracy and reliability of its accounting records, and operational adherence to management standards.

A) "Legacy systems"
B) "SSID standards"
C) "Vulnerabilities"
D) "Security policy"
E) "Controls"

Question 12

The communications lines in a client/server environment are specifically vulnerable to

A) vandalism.
B) malware.
C) software failure.
D) tapping.
E) errors.

Question 13

In a client/server environment, corporate servers are specifically vulnerable to

A) unauthorized access.
B) sniffing.
C) malware.
D) radiation.
E) tapping.

Question 14

Which of the following is not an example of a computer used as an instrument of crime?

A) theft of trade secrets
B) intentionally attempting to intercept electronic communication
C) unauthorized copying of software
D) breaching the confidentiality of protected computerized data
E) schemes to defraud

Question 15

Hackers create a botnet by

A) infecting Web search bots with malware.
B) using Web search bots to infect other computers.
C) causing other people's computers to become "zombie" PCs following a master computer.
D) infecting corporate servers with "zombie" Trojan horses that allow undetected access through a back door.
E) pharming multiple computers.

Question 16

Which of the following is not an example of a computer used as a target of crime?

A) knowingly accessing a protected computer to commit fraud
B) sccessing a computer system without authority
C) illegally accessing stored electronic communication
D) threatening to cause damage to a protected computer
E) breaching the confidentiality of protected computerized data

Question 17

Large amounts of data stored in electronic form are ________ than the same data in manual form.

A) less vulnerable to damage
B) more secure
C) vulnerable to many more kinds of threats
D) more critical to most businesses
E) prone to more errors

Question 18

Social networking sites have become a new conduit for malware because

A) they are used by so many people.
B) they allow users to post media and image files.
C) they are especially vulnerable to social engineering.
D) they allow users to post software code.
E) they have poor user authentication.

Question 19

The intentional defacement or destruction of a Web site is called

A) spoofing.
B) cybervandalism.
C) cyberwarfare.
D) phishing.
E) pharming.

Question 20

Electronic data are more susceptible to destruction, fraud, error, and misuse because information systems concentrate data in computer files that

A) are easily decrypted.
B) can be opened with easily available software.
C) may be accessible by anyone who has access to the same network.
D) are unprotected by up-to-date security systems.
E) are rarely validated.

Question 21

Wireless networks are more difficult for hackers to gain access too because radio frequency bands are difficult to scan.

Question 22

Sniffers enable hackers to steal proprietary information from anywhere on a network, including e-mail messages, company files, and confidential reports.

Question 23

Evil twins are

A) Trojan horses that appears to the user to be a legitimate commercial software application.
B) e-mail messages that mimic the e-mail messages of a legitimate business.
C) fraudulent Web sites that mimic a legitimate business's Web site.
D) computers that fraudulently access a Web site or network using the IP address and identification of an authorized computer.
E) bogus wireless network access points that look legitimate to users.

Question 24

Pharming involves

A) redirecting users to a fraudulent Web site even when the user has typed in the correct address in the Web browser.
B) pretending to be a legitimate business's representative in order to garner information about a security system.
C) setting up fake Web sites to ask users for confidential information.
D) using e-mails for threats or harassment.
E) setting up fake Wi-Fi access points that look as if they are legitimate public networks.

Question 25

Tricking employees to reveal their passwords by pretending to be a legitimate member of a company is called

A) sniffing.
B) social engineering.
C) phishing.
D) pharming.
E) snooping

Question 26

A foreign country attempting to access government networks in order to disable a national power grid would be an example of

A) phishing.
B) denial-of-service attacks.
C) cyberwarfare.
D) cyberterrorism.
E) evil twins.

Question 27

How do software vendors correct flaws in their software after it has been distributed?

A) They issue bug fixes.
B) They issue patches.
C) They re-release the software.
D) They release updated versions of the software.
E) They don't; users purchase software at their own risk.

Question 28

________ is a crime in which an imposter obtains key pieces of personal information to impersonate someone else.

A) Identity theft
B) Spoofing
C) Social engineering
D) Evil twins
E) Pharming

Question 29

As discussed in the chapter opening case, magnetic stripes are an old technology that is vulnerable to counterfeit and theft.

Question 30

DoS attacks are used to destroy information and access restricted areas of a company's information system.

Question 31

The term cracker is used to identify a hacker whose specialty is breaking open security systems.

Question 32

________ identify the access points in a Wi-Fi network.

A) NICs
B) Mac addresses
C) URLs
D) UTMs
E) SSIDs

Question 33

In 2013, Panda Security reported approximately 30 million new kinds of malware strains.

Question 34

You have been hired as a security consultant for a law firm. Which of the following constitutes the greatest source for network security breaches to the firm?

A) wireless network
B) employees
C) authentication procedures
D) lack of data encryption
E) software quality

Question 35

Viruses can be spread through e-mail.

Question 36

One form of spoofing involves forging the return address on an e-mail so that the e-mail message appears to come from someone other than the sender.

Question 37

A practice in which eavesdroppers drive by buildings or park outside and try to intercept wireless network traffic is referred to as

A) war driving.
B) sniffing.
C) cybervandalism.
D) drive-by tapping.
E) snooping.

Question 38

Zero defects cannot be achieved in larger software programs because fully testing programs that contain thousands of choices and millions of paths would require thousands of years.

Question 39

Smartphones have the same security flaws as other Internet-connected devices.

Question 40

A computer virus replicates more quickly than a computer worm.

Question 41

Application controls

A) can be classified as input controls, processing controls, and output controls.
B) govern the design, security, and use of computer programs and the security of data files in general throughout the organization.
C) apply to all computerized applications and consist of a combination of hardware, software, and manual procedures that create an overall control environment.
D) include software controls, computer operations controls, and implementation controls.
E) monitor the use of system software and prevent unauthorized access to software and programs.

Question 42

Hackers and their companion viruses are an increasing problem, especially on the Internet. What are the most important measurers for a firm to take to protect itself from this?
Is full protection feasible?
Why or why not?

Question 43

Malicious software programs referred to as spyware include a variety of threats such as computer viruses, worms, and Trojan horses.

Question 44

Three major concerns of system builders and users are disaster, security, and human error. Of the three, which do you think is most difficult to deal with?
Why?

Question 45

________ controls ensure that valuable business data files on either disk or tape are not subject to unauthorized access, change, or destruction while they are in use or in storage.

A) Software
B) Administrative
C) Data security
D) Implementation
E) Input

Question 46

How can a firm's security policies contribute and relate to the six main business objectives?
Give examples.

Question 47

Explain how an SQL injection attack works and what types of systems are vulnerable to this type of attack.

Question 48

An acceptable use policy defines the acceptable level of access to information assets for different users.

Question 49

Analysis of an information system that rates the likelihood of a security incident occurring and its cost is included in a(n)

A) security policy.
B) AUP.
C) risk assessment.
D) business impact analysis.
E) business continuity plan.

Question 50

Which of the following specifications replaces WEP with a stronger security standard that features changing encryption keys?

A) TLS
B) AUP
C) VPN
D) WPA2
E) UTM

Question 51

The Sarbanes-Oxley Act

A) requires financial institutions to ensure the security of customer data.
B) specifies best practices in information systems security and control.
C) imposes responsibility on companies and management to safeguard the accuracy of financial information.
D) outlines medical security and privacy rules.
E) identifies computer abuse as a crime and defines abusive activities.

Question 52

The most common type of electronic evidence is

A) voice-mail.
B) spreadsheets.
C) instant messages.
D) e-mail.
E) VOIP data.

Question 53

Computer forensics tasks include all of the following except

A) presenting collected evidence in a court of law.
B) securely storing recovered electronic data.
C) collecting physical evidence on the computer.
D) finding significant information in a large volume of electronic data.

Question 54

The HIPAA Act of 1996

A) requires financial institutions to ensure the security of customer data.
B) specifies best practices in information systems security and control.
C) imposes responsibility on companies and management to safeguard the accuracy of financial information.
D) outlines medical security and privacy rules.
E) identifies computer abuse as a crime and defines abusive activities.

Question 55

How is the security of a firm's information system and data affected by its people, organization, and technology?
Is the contribution of one of these dimensions any more important than the other?
Why?

Question 56

What are the security challenges faced by wireless networks?

Question 57

The Gramm-Leach-Bliley Act

A) requires financial institutions to ensure the security of customer data.
B) specifies best practices in information systems security and control.
C) imposes responsibility on companies and management to safeguard the accuracy of financial information.
D) outlines medical security and privacy rules.
E) identifies computer abuse as a crime and defines abusive activities.

Question 58

Statements ranking information risks and identifying security goals are included in a(n)

A) security policy.
B) AUP.
C) risk assessment.
D) business impact analysis.
E) business continuity plan.

Question 59

Your company, an online discount stationers, has calculated that a loss of Internet connectivity for 3 hours results in a potential loss of $2,000 to $3,000 and that there is a 50% chance of this occurring each year. What is the annual expected loss from this exposure?

A) $500
B) $1,000
C) $1,250
D) $1,500
E) $2,500

Question 60

Which of the following is a type of ambient data?

A) computer log containing recent system errors
B) a file deleted from a hard disk
C) a file that contains an application's user settings
D) a set of raw data from an environmental sensor
E) data that has been recorded over

Question 61

________ use scanning software to look for known problems such as bad passwords, the removal of important files, security attacks in progress, and system administration errors.

A) Stateful inspections
B) Intrusion detection systems
C) Application proxy filtering technologies
D) Packet filtering technologies
E) Firewalls

Question 62

Biometric authentication is the use of personal, biographic details such as the high school you attended and the first street you lived on to provide identification.

Question 63

Most antivirus software is effective against

A) only those viruses active on the Internet and through e-mail.
B) any virus.
C) any virus except those in wireless communications applications.
D) only those viruses already known when the software is written.
E) only viruses that are well-known and typically several years old.

Question 64

Comprehensive security management products, with tools for firewalls, VPNs, intrusion detection systems, and more, are called ________ systems.

A) DPI
B) MSSP
C) NSP
D) PKI
E) UTM

Question 65

Biometric authentication

A) is inexpensive.
B) is used widely in Europe for security applications.
C) can use a person's voice as a unique, measurable trait.
D) only uses physical measurements for identification.
E) only uses biographical details for identification.

Question 66

Organizations can use existing network security software to secure mobile devices.

Question 67

For 100-percent availability, online transaction processing requires

A) high-capacity storage.
B) a multi-tier server network.
C) fault-tolerant computer systems.
D) dedicated phone lines.
E) a digital certificate system.

Question 68

Currently, the protocols used for secure information transfer over the Internet are

A) TCP/IP and SSL.
B) S-HTTP and CA.
C) HTTP and TCP/IP.
D) S-HTTP and SHTML.
E) SSL, TLS, and S-HTTP.

Question 69

Packet filtering catches most types of network attacks.

Question 70

A digital certificate system

A) uses third-party CAs to validate a user's identity.
B) uses digital signatures to validate a user's identity.
C) uses tokens to validate a user's identity.
D) is used primarily by individuals for personal correspondence.
E) protects a user's identity by substituting a certificate in place of identifiable traits.

Question 71

The dispersed nature of cloud computing makes it difficult to track unauthorized access.

Question 72

NAT conceals the IP addresses of the organization's internal host computers to deter sniffer programs.

Question 73

Rigorous password systems

A) are one of the most effective security tools.
B) may hinder employee productivity.
C) are costly to implement.
D) are often disregarded by employees.

Question 74

A firewall allows the organization to

A) enforce a security policy on data exchanged between its network and the Internet.
B) check the accuracy of all transactions between its network and the Internet.
C) create an enterprise system on the Internet.
D) check the content of all incoming and outgoing e-mail messages.
E) create access rules for a network.

Question 75

An authentication system in which a user must provide two types of identification, such as a bank card and PIN, is called

A) smart card authentication.
B) biometric authentication.
C) two-factor authentication.
D) symmetric key authorization.
E) token authentication.

Question 76

An authentication token is a(n)

A) device the size of a credit card that contains access permission data.
B) type of smart card.
C) gadget that displays passcodes.
D) electronic marker attached to a digital authorization file.

Question 77

All of the following are types of information systems general controls except

A) application controls.
B) computer operations controls.
C) physical hardware controls.
D) software controls.
E) administrative controls

Question 78

In which method of encryption is a single encryption key sent to the receiver so both sender and receiver share the same key?

A) SSL/TLS
B) symmetric key encryption
C) public key encryption
D) private key encryption
E) distributed encryption

Question 79

Smaller firms may outsource some or many security functions to

A) ISPs.
B) MISs.
C) MSSPs.
D) CAs.
E) PKIs.

Question 80

In controlling network traffic to minimize slow-downs, a technology called ________ is used to examine data files and sort low-priority data from high-priority data.

A) high availability computing
B) deep-packet inspection
C) application proxy filtering
D) stateful inspection
E) unified threat management