C845 Information Systems Security
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Free C845 Information Systems Security Questions
Which components are essential in understanding risk within the framework of risk management?
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Assets, vulnerabilities, and threats
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Policies, procedures, and protocols
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Users, devices, and networks
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Data, applications, and hardware
Explanation
Explanation:
In risk management, understanding risk requires identifying the key components that can influence security outcomes: assets, vulnerabilities, and threats. Assets are the valuable resources that need protection, vulnerabilities are weaknesses that could be exploited, and threats are potential events or actions that can cause harm. Analyzing the interaction of these components allows organizations to assess potential risks, prioritize mitigation strategies, and allocate resources effectively to protect critical assets.
Correct Answer:
Assets, vulnerabilities, and threats
What is a key principle of risk management programs?
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Apply controls in ascending order of risk.
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Security controls should be protected through the obscurity of their mechanisms
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Risk avoidance is superior to risk mitigation
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Don't spend more to protect an asset than it is worth.
Explanation
Explanation:
A fundamental principle of risk management is that the cost of protective measures should not exceed the value of the asset being protected. This principle ensures that resources are used efficiently and security measures are economically justified. Spending disproportionately on low-value assets can lead to inefficient risk management and divert resources from higher-priority areas. Effective risk management balances the potential impact of threats with the costs of implementing controls.
Correct Answer:
Don't spend more to protect an asset than it is worth
What is the primary function of cryptography in the realm of information security?
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To enhance the speed of data transmission
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To ensure the authenticity of data sources
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To protect data from unauthorized access and ensure confidentiality
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To facilitate data recovery after a loss
Explanation
Explanation:
Cryptography is the practice of securing information by transforming it into an unreadable format (ciphertext) that can only be accessed or interpreted by authorized parties with the proper decryption key. Its primary function is to protect data from unauthorized access, maintain confidentiality, and ensure secure communication. Cryptography also supports integrity and authentication, helping prevent tampering and verifying the identity of data sources, but its main purpose centers on confidentiality and security rather than speed or data recovery.
Correct Answer:
To protect data from unauthorized access and ensure confidentiality
Downtime refers to periods of time in which a
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computer system is malfunctioning.
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computer system is not operational.
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company or organization is not operational.
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computer is not online
Explanation
Explanation:
Downtime refers to the period when a computer system or network is not operational and unable to perform its intended functions. During downtime, services and applications may be unavailable to users, leading to productivity loss, service disruptions, and potential financial impact. Downtime can result from system failures, maintenance, cyberattacks, or other technical issues, and is a key metric in evaluating system reliability and business continuity.
Correct Answer:
computer system is not operational
In the context of risk management, how is a 'threat' best defined?
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A potential event that could cause harm to an asset
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A safeguard against vulnerabilities
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A measure to ensure data integrity
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A type of security control
Explanation
Explanation:
In risk management, a threat is defined as any potential event, circumstance, or actor that could cause harm or loss to an organization's assets. Threats exploit vulnerabilities and can lead to financial, operational, or reputational damage. Understanding threats allows organizations to implement appropriate measures to mitigate or manage risk. Safeguards, measures for data integrity, and security controls are responses to threats, not the definition of a threat itself.
Correct Answer:
A potential event that could cause harm to an asset
A threat is defined as ______.
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The amount of loss or damage that can be expected
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Any indication, circumstance, or event with the potential to cause the loss of or damage to an asset
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Moderate consequences resulting in loss of sensitive information
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A weakness that can be exploited
Explanation
Explanation:
In information security, a threat refers to any indication, circumstance, or event that has the potential to cause harm, loss, or damage to an organization’s assets. Threats can originate from human actions, system failures, or natural events and often exploit existing vulnerabilities to compromise security. Understanding threats helps in identifying potential risks and developing strategies to mitigate their effects. The term does not describe weaknesses or losses themselves but the potential cause of them.
Correct Answer:
Any indication, circumstance, or event with the potential to cause the loss of or damage to an asset
What is the primary role of an information security framework?
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To enforce security policies
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To specify the order of security control implementation.
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To guide the design, selection, and implementation of security controls
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To automate security assessments.
Explanation
Explanation:
An information security framework provides structured guidance for organizations to design, select, and implement security controls systematically. It establishes best practices, standards, and policies that help organizations manage risks, protect assets, and ensure compliance with regulatory requirements. Unlike enforcement or automation tools, the framework serves as a comprehensive blueprint for building an effective and consistent security posture.
Correct Answer:
To guide the design, selection, and implementation of security controls
Which of the following best describes the Internet from a network security perspective?
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The internet is a network in which is it difficult to gain access
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The internet is a network that is used by many and provides limited security
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The internet is a network that provides connectivity only for nonbusiness use
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The internet is a network with a high degree of security
Explanation
Explanation:
From a network security perspective, the Internet is a global network used by millions of people and organizations, and it inherently provides limited security. Its openness and widespread access make it vulnerable to various threats, including malware, phishing, unauthorized access, and denial-of-service attacks. While security measures such as encryption, firewalls, and VPNs can enhance safety, the Internet itself cannot guarantee a high level of security due to its public and interconnected nature.
Correct Answer:
The internet is a network that is used by many and provides limited security
In the realm of risk management, how is the term 'vulnerability' best defined?
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A flaw in a security system that prevents data access.
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An inherent weakness that can be exploited by a threat to compromise an asset.
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A measure of the effectiveness of security controls.
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A type of threat that targets information systems.
Explanation
Explanation:
In risk management, a vulnerability refers to an inherent weakness or flaw in a system, process, or control that can be exploited by a threat actor to compromise an asset. Vulnerabilities may exist in software, hardware, or human procedures and can lead to unauthorized access, data loss, or service disruption if not properly mitigated. Unlike threats, which are potential sources of harm, vulnerabilities represent the conditions that make an organization susceptible to attack. Identifying and addressing vulnerabilities is a key component of reducing overall risk.
Correct Answer:
An inherent weakness that can be exploited by a threat to compromise an asset
What does the term "vulnerability" refer to in the context of information security?
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The likelihood of a successful attack
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A weakness or flaw that could be exploited
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A type of security control
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A measure of data confidentiality
Explanation
Explanation:
In information security, a vulnerability is a weakness or flaw in a system, network, or application that can be exploited by a threat to compromise security. Vulnerabilities may arise from software bugs, misconfigurations, inadequate controls, or human error. Identifying and mitigating vulnerabilities is critical for reducing risk and protecting organizational assets from potential attacks or data breaches.
Correct Answer:
A weakness or flaw that could be exploited
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