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NEW QUESTION # 58
NIST 800-30 defines cyber risk as a function of the likelihood of a given threat-source exercising a potential vulnerability, and:
Answer: B
Explanation:
NIST SP 800-30 describes risk using a classic risk model: risk is a function of likelihood and impact. In this model, a threat-source may exploit a vulnerability, producing a threat event that results in adverse consequences. The likelihood component reflects how probable it is that a threat event will occur and successfully cause harm, considering factors such as threat capability and intent (or in non-adversarial cases, the frequency of hazards), the existence and severity of vulnerabilities, exposure, and the strength of current safeguards. However, likelihood alone does not define risk; a highly likely event that causes minimal harm may be less important than a less likely event that causes severe harm.
The second required component is the impact-the magnitude of harm to the organization if the adverse event occurs. Impact is commonly evaluated across mission and business outcomes, including financial loss, operational disruption, legal or regulatory consequences, reputational damage, and loss of confidentiality, integrity, or availability. This is why option D is correct: NIST's definition explicitly ties the risk expression to the resulting impact on the organization.
The other options may influence likelihood assessment or control selection, but they are not the missing definitional element. Detection probability and control assurance relate to monitoring and governance; predisposing conditions can shape likelihood. None replace the
NEW QUESTION # 59
In the OSI model for network communication, the Session Layer is responsible for:
Answer: A
Explanation:
The OSI Session Layer (Layer 5) is responsible for establishing, managing, and terminating sessions between communicating applications. A session is the logical dialogue that allows two endpoints to coordinate how communication starts, how it continues, and how it ends. This includes controlling the "conversation" state, such as who can transmit at what time, maintaining the session so it stays active, and closing it cleanly when it is no longer needed. Because of this, option A best matches the Session Layer's core responsibilities.
In contrast, presenting data to the receiver in a recognizable form is the job of the Presentation Layer (Layer 6), which deals with formatting, encoding, compression, and often cryptographic transformation concepts. Adding appropriate network addresses to packets aligns to the Network Layer (Layer 3), where logical addressing and routing decisions occur, typically associated with IP addressing. Transmitting the data on the medium is handled at the Physical Layer (Layer 1), which concerns signals, cabling, and the actual movement of bits.
From a cybersecurity perspective, session management is important because weaknesses can enable session hijacking, replay, or fixation, especially when session identifiers are predictable, not protected, or not properly invalidated. Controls commonly include strong authentication, secure session token generation, timeout and reauthentication rules, and proper session termination to reduce exposure.
NEW QUESTION # 60
An internet-based organization whose address is not known has attempted to acquire personal identification details such as usernames and passwords by creating a fake website. This is an example of?
Answer: A
Explanation:
Creating a fake website to trick individuals into entering usernames and passwords is a classic example of phishing. Phishing is a social engineering technique where an attacker impersonates a trusted entity to deceive a victim into disclosing sensitive information (credentials, personal data, payment details) or taking an action that benefits the attacker (downloading malware, approving an MFA prompt, wiring funds). A counterfeit login page is commonly used in credential-harvesting campaigns: the victim believes they are authenticating to a legitimate service, but the credentials are captured by the attacker and later used for account takeover. This is not necessarily a breach yet because the question describes an attempt to acquire credentials; a breach would be confirmed unauthorized access or disclosure. While phishing is a kind of threat, "threat" is too broad compared to the specific described behavior. It is also not ransomware, which focuses on encrypting or locking data and demanding payment. Cybersecurity documentation emphasizes layered defenses against phishing: user awareness training, email and web filtering, domain and certificate validation, anti-spoofing controls, strong authentication (especially MFA resistant to prompt fatigue), password managers that reduce credential entry on lookalike domains, and monitoring for suspicious logins. Because the attack relies on deception through a fake website to steal credentials, the best match is phishing.
NEW QUESTION # 61
Which scenario is an example of the principle of least privilege being followed?
Answer: B
Explanation:
The principle of least privilege requires that users, administrators, services, and applications are granted only the minimum access necessary to perform authorized job functions, and nothing more. Option A follows this principle because the administrator's elevated permissions are limited in scope to the specific applications they are responsible for supporting. This reduces the attack surface and limits blast radius: if that administrator account is compromised, the attacker's reach is constrained to only those applications rather than the entire enterprise environment.
Least privilege is typically implemented through role-based access control, separation of duties, and privileged access management practices. These controls ensure privileges are assigned based on defined roles, reviewed regularly, and removed when no longer required. They also promote using standard user accounts for routine tasks and reserving administrative actions for controlled, auditable sessions. In addition, least privilege supports stronger accountability through logging and change tracking, because fewer people have the ability to make high-impact changes across systems.
The other scenarios violate least privilege. Option B grants excessive enterprise-wide permissions, creating unnecessary risk and enabling widespread damage from mistakes or compromise. Option C provides "just in case" administrative access, which cybersecurity guidance explicitly discourages because it increases exposure without a validated business need. Option D is overly broad because access to all HR files exceeds what is required for performance appraisals, which typically should be limited to relevant employee records only.
NEW QUESTION # 62
The opportunity cost of increased cybersecurity is that:
Answer: B
Explanation:
Opportunity cost is a core enterprise-risk and economics concept: when an organization allocates limited resources to one activity, it reduces what is available for other priorities. Increasing cybersecurity typically requires money, skilled personnel time, executive attention, tooling, and operational capacity. Those resources could otherwise be used for revenue-generating work such as new product features, customer experience improvements, system modernization, market expansion, or process automation. That tradeoff is exactly what option D describes, making it the correct answer.
Cybersecurity documents stress that risk treatment decisions must balance risk reduction against cost, feasibility, and business impact. While stronger security can reduce the likelihood and impact of incidents, it can also introduce friction (extra approval steps, stronger authentication, segmentation), slow delivery when changes require additional reviews, and demand ongoing operational effort (monitoring, patching, vulnerability remediation, access recertification, incident response testing). These impacts are not arguments against security; they are the reason governance processes prioritize controls based on the most critical assets, highest-risk threats, and compliance requirements.
Option A may be true in some cases, but it describes a direct cost, not the broader economic concept of opportunity cost. Option B is a trend statement and not the definition. Option C is incorrect because security spend is not always less than breach risk; organizations must evaluate cost-benefit and acceptable residual risk rather than assume a universal rule.
NEW QUESTION # 63
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