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NEW QUESTION # 26
Which of the following terms represents an accidental exploitation of a vulnerability?
Answer: B
Explanation:
In cybersecurity risk terminology, an event is an observable occurrence that can affect systems, services, or data. An event may be benign, harmful, intentional, or accidental. When a vulnerability is exploited accidentally-for example, a user unintentionally triggers a software flaw, a misconfiguration causes unintended exposure, or a system process mishandles input and causes data corruption-the occurrence is best categorized as an event. Cybersecurity documentation often distinguishes between the possibility of harm and the actual occurrence of a harmful condition. A threat is the potential for an unwanted incident, such as an actor or circumstance that could exploit a vulnerability. A threat does not require that exploitation actually happens; it describes risk potential. An agent is the entity that acts (such as a person, malware, or process) and may be malicious or non-malicious, but "agent" is not the term for the occurrence itself. A response refers to the actions taken after detection, such as containment, eradication, recovery, and lessons learned; it is part of incident handling, not the accidental exploitation.
Therefore, the term that represents the actual accidental exploitation occurrence is event, because it captures the real-world happening that may trigger alerts, investigations, and potentially incident response activities if impact is significant.
NEW QUESTION # 27
Which organizational area would drive a cybersecurity infrastructure Business Case?
Answer: A
Explanation:
A cybersecurity infrastructure business case is typically driven by the Risk function because the justification for security investments is grounded in reducing enterprise risk to an acceptable level and aligning with the organization's risk appetite and regulatory obligations. Risk-focused teams (often working with the CISO and security governance) translate threats, vulnerabilities, and control gaps into business impact terms such as likelihood of adverse events, potential operational disruption, financial exposure, regulatory penalties, and reputational harm. This framing is what a formal business case requires: a clear problem statement, quantified or prioritized risk scenarios, expected risk reduction from proposed controls, and how residual risk compares to tolerance thresholds.
While IT usually leads implementation and provides architecture, sizing, and operational cost estimates, IT alone does not typically "drive" the business case without the risk rationale that explains why the investment is necessary and what enterprise outcomes it protects. Legal contributes requirements related to compliance, contracts, and breach handling, but it generally supports rather than owns investment prioritization. Finance evaluates budgeting, funding options, and return-on-investment assumptions, yet it relies on risk inputs to understand why the spend is warranted and what loss exposure is being reduced.
Therefore, the organizational area most responsible for driving a cybersecurity infrastructure business case-by defining the risk problem, articulating risk-based benefits, and enabling executive decision-making-is Risk.
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NEW QUESTION # 28
What does non-repudiation mean in the context of web security?
Answer: D
Explanation:
Non-repudiation is a security property that provides verifiable evidence of an action or communication so that the parties involved cannot credibly deny their participation later. In web security, it most commonly means being able to prove who sent a message or performed a transaction and, in many cases, that the message was received and recorded. This is why option D is correct: it captures the idea of giving the receiver proof of the sender's identity and giving the sender evidence that the message or transaction was delivered or accepted.
Cybersecurity guidance typically associates non-repudiation with digital signatures, strong identity binding, and protected audit evidence. A digital signature uses asymmetric cryptography so that only the holder of a private key can sign, while anyone with the public key can verify the signature. When combined with trusted certificates, accurate time sources, and protected logs, this creates strong accountability. Non-repudiation also depends on maintaining the integrity of supporting evidence, such as tamper-resistant audit logs, secure log retention, and controlled access to signing keys.
It is different from confidentiality (encryption of traffic), and different from integrity alone (preventing unauthorized modification). It is also different from authorization and auditing, which support accountability but do not, by themselves, provide cryptographic-grade proof that a specific entity performed a specific action. Non-repudiation is especially important for high-trust transactions such as approvals, payments, and legally binding communications.
NEW QUESTION # 29
The hash function supports data in transit by ensuring:
Answer: D
Explanation:
A cryptographic hash function supports data in transit primarily by providing integrity assurance. When a sender computes a hash (digest) of a message and the receiver recomputes the hash after receipt, the two digests should match if the message arrived unchanged. If the message is altered in any way while traveling across the network-whether by an attacker, a faulty intermediary device, or transmission errors-the recomputed digest will differ from the original. This difference is the key signal that the message was modified in transit, which is what option B expresses. In practical secure-transport designs, hashes are typically combined with a secret key or digital signature so an attacker cannot simply modify the message and generate a new valid digest. Examples include HMAC for message authentication and digital signatures that hash the content and then sign the hash with a private key. These mechanisms provide integrity and, when keyed or signed, also provide authentication and non-repudiation properties.
Option A is more specifically about authentication of origin, which requires a keyed construction such as HMAC or a signature scheme; a plain hash alone cannot prove who sent the message. Option C is incorrect because keys are not "converted" from public to private. Option D relates to confidentiality, which is provided by encryption, not hashing. Therefore, the best answer is B because hashing enables detection of message modification during transit.
NEW QUESTION # 30
Which organizational area would drive a cybersecurity infrastructure Business Case?
Answer: A
NEW QUESTION # 31
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