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The BEST basis for allocating proportional protection activities when comprehensive classification is not feasible is a business dependency assessment. This is because a business dependency assessment helps to identify the criticality and sensitivity of business processes and their supporting assets, based on their contribution to the organization’s objectives and value proposition. This allows for prioritizing protection activities according to the level of risk and impact. The other options are not as effective as a business dependency assessment, because they either use a single classification level allocation (A), which does not account for different levels of risk and impact; require a significant amount of time and resources to perform a business process re-engineering (B); or rely on external parties to cover potential losses without reducing the likelihood or impact of incidents (D).

The second line of defense in cybersecurity includes risk management monitoring, and measurement of controls. This is because the second line of defense is responsible for ensuring that the first line of defense (the operational managers and staff who own and manage risks) is effectively designed and operating as intended. The second line of defense also provides guidance, oversight, and challenge to the first line of defense. The other options are not part of the second line of defense, but rather belong to the first line of defense (A), the third line of defense C, or an external service provider (D).

 An incremental backup is a type of backup that only copies the files that have changed since the last backup was made. This means that after a full backup, subsequent incremental backups will only include the data that has been altered or newly created since the previous backup, making it a more efficient way to save storage space and reduce backup time.

References = While I can’t provide direct references from the Cybersecurity Audit Manual, the concept of incremental backups is a standard practice in data management and is covered in various cybersecurity and IT audit resources, including those provided by ISACA1. For a detailed understanding, you may refer to the ISACA Cybersecurity Audit Certificate resources or other ISACA study materials.

One of the known potential risks of using a Software Defined Perimeter (SDP) controller is unauthorized access, which can jeopardize the confidentiality, integrity, or availability of data. SDP controllers work by creating a boundary around network resources, but ifan unauthorized user gains access, perhaps through stolen credentials or exploitation of a vulnerability, they could potentially access sensitive data or disrupt services.

References: The information provided here is based on standard cybersecurity practices and principles, which are likely to be consistent with those found in ISACA’s Cybersecurity Audit resources. For specific references, please consult the ISACA Cybersecurity Audit Manual or related study guides12345.

The FIRST activity associated with a successful cyber attack is reconnaissance. This is because reconnaissance is a phase of the cyber attack lifecycle that involves gathering information about the target organization or system, such as its network topology, IP addresses, open ports, services, vulnerabilities, etc. Reconnaissance helps to identify potential entry points and weaknesses that can be exploited by the attackers in later phases of the attack. The other options are not the first activity associated with a successful cyber attack, but rather follow after reconnaissance in the cyber attack lifecycle, such as exploitation (A), maintaining a presence C, or creating attack tools (D).

The BEST indication that an organization’s vulnerability management process is operating effectively is that remediation efforts are prioritized. This is because prioritizing remediation efforts helps to ensure that the most critical and urgent vulnerabilities are addressed first, based on their severity, impact, and exploitability. Prioritizing remediation efforts also helps to optimize the use of resources and time for mitigating vulnerabilities and reducing risks. The other options are not as indicative of an effective vulnerability management process, because they either involve communicating (A), approving (B), or reviewing C aspects that are not directly related to remediating vulnerabilities.

The process that converts extracted information to a format understood by investigators is reporting. This is because reporting is a technique that involves presenting and communicating the results and findings of an investigation in a clear, concise, and accurate manner, using appropriate formats, such as tables, charts, graphs, etc. Reporting helps to convey the meaning and significance of the extracted information to the investigators, as well as other stakeholders, such as management, auditors, regulators, etc. The other options are not processes that convert extracted information to a format understood by investigators, but rather differenttechniques that are related to information extraction or analysis, such as ingestion (B), imaging C, or filtering (D).

When employees use personal mobile devices to access a VPN, the greatest concern for an IS auditor is the potential for sensitive data to be stored in an unsecured manner. If data is stored in plain text, it could be easily accessed by unauthorized parties if the device is lost, stolen, or compromised. This risk is heightened when the devices are not managed by the organization’s IT department, which would typically enforce security policies such as encryption.

References: ISACA’s resources on securing mobile devices and VPN technology assurance emphasize the importance of implementing strong security controls to protect sensitive data on mobile devices. This includes ensuring that data is not stored in plain text and is instead encrypted to prevent unauthorized access1234. The use of mobile device management (MDM) software is also advocated to remotely manage and secure mobile devices used for corporate access1.

Key risk indicators (KRIs) are metrics that can provide an early signal of increasing risk exposures for an organization. KRIs are designed to measure and predict potential losses, and they help in identifying trends that could lead to future risks. They aredifferent from Key Performance Indicators (KPIs), which measure the performance related to the achievement of strategic goals. KRIs, on the other hand, are specifically focused on risk and are used to monitor changes in the level of risk exposure.

References: The information is supported by ISACA’s resources, which state that KRIs with thresholds and corresponding trigger actions can enable companies to gain visibility into risks before they occur. These metrics best position enterprises to deal with substantial cyber risks associated with digital transformation and implementing emerging technologies1.

The phase that typically occurs before containment in an incident response is Identification. This phase involves detecting and determining the nature of the incident. It’s crucial to correctly identify an incident before it can be contained, as containment strategies may vary depending on the type of incident.

References: The Incident Response process is generally organized into several key phases, which include Preparation, Identification, Containment, Eradication, Recovery, and Lessons Learned1. Identification is the phase where the incident is first recognized and understood, which logically precedes the Containment phase, where measures are taken to limit the impact of the incident.