CISMP-V9 Exam Dumps - BCS Foundation Certificate in Information Security Management Principles V9.0

Packet sniffing is a type of network attack that can directly affect the confidentiality of an unencrypted VoIP network. In packet sniffing, an attacker captures data packets as they travel across the network. Since VoIP calls transmit voice data in the form of data packets, an unencrypted VoIP network is particularly vulnerable to this type of attack. The attacker can potentially listen to the conversations or extract sensitive information from these packets. This compromises the confidentiality principle of information security, which aims to protect information from unauthorized disclosure12.

Brute Force Attack (B) and Ransomware © are more related to the integrity and availability of systems rather than confidentiality. Vishing Attack (D) is a form of phishing which involves social engineering over telephone systems but does not directly affect the network’s confidentiality like packet sniffing does.

References :=

• Information Security Management Principles, 3rd Edition1.
• VoIP Hacking: How It Works & How to Protect Your VoIP Phone3.

The Advanced Encryption Standard (AES) is the current specification for the encryption of electronic data established by the National Institute of Standards and Technology (NIST). AES is a symmetric block cipher that can encrypt (encipher) and decrypt (decipher) information, converting data to an unintelligible form called ciphertext and back to its original form, plaintext. The AES algorithm is capable of using cryptographic keys of 128, 192, and 256 bits to encrypt and decrypt data in blocks of 128 bits. It was selected by NIST as a Federal Information Processing Standard (FIPS) to protect electronic data and is widely recognized and used for secure data encryption1.

References: The BCS Foundation Certificate in Information Security Management Principles outlines the importance of understanding various encryption algorithms, including AES, for protecting electronic data. The NIST publication on AES provides detailed information about the standard and its application1.

The software program described is one that obfuscates the source code, making it difficult to inspect, manipulate, or reverse engineer. This is characteristic of proprietary source software, where the source code is not openly shared or available for public viewing or modification. Proprietary software companies often obfuscate their code to protect intellectual property and prevent unauthorized use or reproduction of their software. Unlike open-source software, where the source code is available for anyone to view, modify, and distribute, proprietary software keeps its source code a secret to maintain control over the software’s functions and distribution.

References: The concept of obfuscating source code is aligned with the Information Security Management Principles under the domain of Technical Security Controls, which includes protecting intellectual property and preventing unauthorized access12345.

Security controls are measures taken to safeguard an information system from attacks or to mitigate the impact of a breach. They are commonly classified into three main categories: preventive, detective, and corrective. Preventive controls aim to prevent incidents before they occur, detective controls are designed to discover and detect security events, and corrective controls are intended to restore systems to normal operation after an incident. The term “nominative” is not recognized as a standard classification of security controls within the principles of information security management. Instead, the accepted classifications align with the objectives of protecting the confidentiality, integrity, and availability of information. References: The BCS Foundation Certificate in Information Security Management Principles outlines the categorization, operation, and effectiveness of controls of different types and characteristics, which does not include “nominative” as a classification1.

A zero-day vulnerability refers to a security flaw that is unknown to the parties responsible for patching or fixing the flaw. The term “zero-day” relates to the number of days the software vendor has known about the problem, which in this case is zero, indicating that they have had no time to address and patch the vulnerability. This type of vulnerability is particularly dangerous because there are no existing defenses against it, making systems susceptible to zero-day attacks where attackers exploit the vulnerability before it can be mitigated.

In the context of Information Security Management, understanding and addressing zero-day vulnerabilities is crucial as they pose significant risks. Organizations must have proactive security measures and incident response plans to detect and respond to such vulnerabilities swiftly. This includes having a robust security framework, regular security assessments, and a culture of security awareness to minimize the risk of such vulnerabilities being exploited.

References := The explanation aligns with the principles of Information Security Management, particularly in the domains of Information Risk and Technical Security Controls, as outlined in the BCS Foundation Certificate in Information Security Management Principles and supported by industry literature on zero-day vulnerabilities123.

Security by Design’ in software engineering refers to the practice of integrating security measures into the software development process from the very beginning. This approach ensures that security is not an afterthought but a fundamental component of the system’s architecture and design. It involves continuous testing, authentication safeguards, and adherence to best programming practices to make systems as free of vulnerabilities and impervious to attack as possible1. By incorporating security early in the design process, potential flaws can be identified and mitigated early on, significantly reducing the cost and complexity of addressing security issues later in the development lifecycle23.

References: The concept of ‘Security by Design’ is well-documented in software engineering literature and aligns with the principles outlined in the BCS Information Security Management Principles, which advocate for proactive and integrated security measures throughout the software development process231.

SABSA (Sherwood Applied Business Security Architecture) is a framework and methodology specifically designed for Enterprise Security Architecture and Service Management. It provides a layered approach to security architecture, ensuring that security is aligned with business goals and is driven by risk management principles. SABSA’s methodology integrates with business and IT management processes, focusing on the design, delivery, and support of security services within the enterprise environment1.

TOGAF (The Open Group Architecture Framework) is also used in the context of enterprise architecture but is not solely focused on security. It provides a comprehensive approach to the design, planning, implementation, and governance of an enterprise information architecture2.

PCI DSS (Payment Card Industry Data Security Standard) is a set of security standards designed to ensure that all companies that accept, process, store, or transmit credit card information maintain a secure environment2.

OWASP (Open Web Application Security Project) is an online community that produces freely-available articles, methodologies, documentation, tools, and technologies in the field of web application security2.

References: The information provided here is based on the BCS Foundation Certificate in Information Security Management Principles and the knowledge of current frameworks and methodologies relevant to enterprise security architecture and service management34.

 In the context of Information Security Management Principles, risk acceptance is a strategic option where an organization decides to accept the potential cost of a risk without taking any actions to mitigate it. This decision is typically made when the cost ofmitigating the risk exceeds the cost of the risk’s potential impact. Acceptance is part of the risk management process, which also includes risk identification, assessment, and treatment. When accepting a risk, it is crucial to document the decision and the rationale behind it, ensuring that it aligns with the organization’s risk appetite and overall security policy.

References := The BCS Foundation Certificate in Information Security Management Principles outlines the need for an understanding of risk management within the scope of information security management. It emphasizes the importance of recognizing the various strategic options for dealing with risks, including acceptance12. Additionally, industry standards like ISO 27001 provide guidance on risk treatment options, including acceptance3.