WGU CYBERSECURITY & NETWORK SECURITY
FLASHCARDS 2025/2026 | THREATS, DEFENSES & CIA
TRIAD | 100% VERIFIED Q&A
Which cybersecurity term is defined as the potential for an attack on a resource?
A Impact
B Vulnerability
C Risk
D Threat - D
Which security type deliberately exposes a system's vulnerabilities or resources to an
attacker?
A Intrusion detection
B Firewalls
C Honeypots
D Intrusion prevention - C
Which tool can be used to map devices on a network, along with their operating system types
and versions?
A Packet sniffer
B Packet filter
C Port scanner
D Stateful firewall - C
Which web attack is a server-side attack?
,A Clickjacking
B Cross-site scripting
C SQL injection
D Cross-site request forgery - C
An organization employs a VPN to safeguard its information.
Which security principle is protected by a VPN?
A Data in motion
B Data at rest
C Data in use
D Data in storage - A
A malicious hacker was successful in a denial of service (DoS) attack against an institution's
mail server. Fortunately, no data was lost or altered while the server was offline.
Which type of attack is this?
A Modification
B Fabrication
C Interception
D Interruption - D
A company has had several successful denial of service (DoS) attacks on its email server.
Which security principle is being attacked?
A Possession
B Integrity
,C Confidentiality
D Availability - D
A new start-up company has started working on a social networking website. The company
has moved all its source code to a cloud provider and wants to protect this source code from
unauthorized access.
Which cyber defense concept should the start-up company use to maintain the confidentiality
of its source code?
A Alarm systems
B Account permissions
C Antivirus software
D File encryption - D
A company has an annual audit of installed software and data storage systems. During the
audit, the auditor asks how the company's most critical data is used. This determination helps
the auditor ensure that the proper defense mechanisms are in place to protect critical data.
Which principle of the Parkerian hexad is the auditor addressing?
A Possession
B Integrity
C Authenticity
D Utility - D
Which web attack is possible due to a lack of input validation?
A Extraneous files
B Clickjacking
, C SQL injection
D Cross-site request forgery - C
Which file action implements the principle of confidentiality from the CIA triad?
A Compression
B Hash
C Backup
D Encryption - D
Which cyber defense concept suggests limiting permissions to only what is necessary to
perform a particular task?
A Authentication
B Authorization
C Defense in depth
D Principle of least privilege - D
A company institutes a new policy that "All office computer monitors must face toward
employees and must face away from doorways. The monitor screens must not be visible to
people visiting the office."
Which principle of the CIA triad is this company applying?
A Availability
B Confidentiality
C Utility
D Integrity - B
At a small company, an employee makes an unauthorized data alteration.
FLASHCARDS 2025/2026 | THREATS, DEFENSES & CIA
TRIAD | 100% VERIFIED Q&A
Which cybersecurity term is defined as the potential for an attack on a resource?
A Impact
B Vulnerability
C Risk
D Threat - D
Which security type deliberately exposes a system's vulnerabilities or resources to an
attacker?
A Intrusion detection
B Firewalls
C Honeypots
D Intrusion prevention - C
Which tool can be used to map devices on a network, along with their operating system types
and versions?
A Packet sniffer
B Packet filter
C Port scanner
D Stateful firewall - C
Which web attack is a server-side attack?
,A Clickjacking
B Cross-site scripting
C SQL injection
D Cross-site request forgery - C
An organization employs a VPN to safeguard its information.
Which security principle is protected by a VPN?
A Data in motion
B Data at rest
C Data in use
D Data in storage - A
A malicious hacker was successful in a denial of service (DoS) attack against an institution's
mail server. Fortunately, no data was lost or altered while the server was offline.
Which type of attack is this?
A Modification
B Fabrication
C Interception
D Interruption - D
A company has had several successful denial of service (DoS) attacks on its email server.
Which security principle is being attacked?
A Possession
B Integrity
,C Confidentiality
D Availability - D
A new start-up company has started working on a social networking website. The company
has moved all its source code to a cloud provider and wants to protect this source code from
unauthorized access.
Which cyber defense concept should the start-up company use to maintain the confidentiality
of its source code?
A Alarm systems
B Account permissions
C Antivirus software
D File encryption - D
A company has an annual audit of installed software and data storage systems. During the
audit, the auditor asks how the company's most critical data is used. This determination helps
the auditor ensure that the proper defense mechanisms are in place to protect critical data.
Which principle of the Parkerian hexad is the auditor addressing?
A Possession
B Integrity
C Authenticity
D Utility - D
Which web attack is possible due to a lack of input validation?
A Extraneous files
B Clickjacking
, C SQL injection
D Cross-site request forgery - C
Which file action implements the principle of confidentiality from the CIA triad?
A Compression
B Hash
C Backup
D Encryption - D
Which cyber defense concept suggests limiting permissions to only what is necessary to
perform a particular task?
A Authentication
B Authorization
C Defense in depth
D Principle of least privilege - D
A company institutes a new policy that "All office computer monitors must face toward
employees and must face away from doorways. The monitor screens must not be visible to
people visiting the office."
Which principle of the CIA triad is this company applying?
A Availability
B Confidentiality
C Utility
D Integrity - B
At a small company, an employee makes an unauthorized data alteration.
