Which of the following security concerns is a threat to confidentiality?
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A. B. C. D.A.
The threat to confidentiality refers to the unauthorized access or disclosure of sensitive or confidential information. Among the given options, the security concern that poses a threat to confidentiality is dumpster diving, which is option D.
Dumpster diving is a physical security attack that involves sifting through trash or recycling bins to find sensitive or confidential information. This information can include financial records, passwords, confidential documents, or any other information that may be useful to an attacker.
Replay attack, option A, is a network security attack in which an attacker intercepts and retransmits data packets. While this can lead to security issues, it does not necessarily result in a threat to confidentiality.
Denial of service (DoS), option B, is a security attack in which an attacker floods a network or system with traffic or requests, making it unavailable to users. DoS attacks are usually aimed at disrupting the availability of a network or system, rather than stealing confidential information.
Service outage, option C, refers to an unexpected interruption or loss of access to a service, such as a website or network. While a service outage can impact confidentiality, it is not necessarily a direct threat to confidentiality.
In summary, of the given options, dumpster diving is the security concern that poses a direct threat to confidentiality as it can result in the unauthorized disclosure of sensitive information.