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| Section | Objectives |
|---|---|
| Industrial Network and System Security | - Network segmentation and architecture security - Asset identification and protection |
| Introduction to Industrial Cybersecurity | - Overview of IT vs OT security concepts - Fundamentals of cybersecurity in industrial environments |
| Policies, Procedures, and Governance | - Compliance and governance considerations - Security policies for industrial control systems |
| Risk and Security Management | - Risk assessment principles - Security lifecycle management in industrial systems |
| ISA/IEC 62443 Framework Overview | - Structure and purpose of IEC 62443 standards - Key terminology and concepts (zones, conduits, security levels) |
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NEW QUESTION # 163
Multiuser accounts and shared passwords inherently carry which of the followinq risks?
Available Choices (select all choices that are correct)
Answer: B,D
Explanation:
Multiuser accounts and shared passwords are accounts and passwords that are used by more than one person to access a system or a resource. They inherently carry the risk of unauthorized access, which means that someone who is not authorized or intended to use the account or password can gain access to the system or resource, and potentially compromise its confidentiality, integrity, or availability. For example, if a multiuser account and password are shared among several operators of an industrial automation and control system (IACS), an attacker who obtains the password can use the account to access the IACS and perform malicious actions, such as changing the system settings, deleting data, or disrupting the process. Multiuser accounts and shared passwords also make it difficult to track and audit the activities of individual users, and to enforce the principle of least privilege, which states that users should only have the minimum level of access required to perform their tasks. Therefore, the ISA/IEC 62443 standards recommend avoiding the use of multiuser accounts and shared passwords, and instead using individual accounts and strong passwords for each user, and implementing authentication and authorization mechanisms to control the access to the IACS. References:
* ISA/IEC 62443-3-3:2013 - Security for industrial automation and control systems - Part 3-3: System security requirements and security levels1
* ISA/IEC 62443-2-1:2009 - Security for industrial automation and control systems - Part 2-1:
Establishing an industrial automation and control systems security program2
* ISA/IEC 62443 Cybersecurity Fundamentals Specialist Training Course3
Shared passwords and multiuser accounts pose specific risks, notably unauthorized access and privilege escalation. In ISA/IEC 62443's framework, these practices are discouraged because they complicate the attribution of actions to individual users and increase the likelihood that accounts can be used beyond their intended scope. Unauthorized access occurs when individuals exploit the shared nature of an account to gain entry to systems or data that they should not access. Privilege escalation can happen when users leverage shared accounts to perform actions at higher permission levels than those assigned to their personal accounts.
Conversely, buffer overflows and race conditions are types of vulnerabilities or programming errors, not directly associated with the risks of multiuser accounts or shared passwords.
NEW QUESTION # 164
What does ISASecure primarily focus on?
Answer: B
Explanation:
ISASecure is a conformity assessment scheme developed under the ISA Security Compliance Institute (ISCI), an affiliate of ISA. Its primary focus is the certification of IACS (Industrial Automation and Control System) products, systems, and supplier processes for cybersecurity. The program's aim is to facilitate and ensure the cybersecurity of automation and control systems by certifying that products and systems meet the requirements set forth in the ISA/IEC 62443 standards. ISASecure offers certifications such as ISASecure EDSA (Embedded Device Security Assurance), SSA (System Security Assurance), and CSA (Component Security Assurance), all of which are tightly mapped to the 62443 series requirements.
Reference: ISA/IEC 62443-4-2:2019, Section 1; ISASecure Certification Program Description, 2024.
NEW QUESTION # 165
Which of the following is NOT listed under Organizational Security Measures (SP Element 1)?
Answer: D
Explanation:
ISA/IEC 62443-2-1 defines SP Element 1 - Organizational Security Measures as the set of governance, policy, and people-focused controls that establish the foundation of an IACS Security Program. These measures are organizational in nature and are intended to create accountability, awareness, and structured risk management.
Step 1: Scope of SP Element 1
SP Element 1 includes activities such as:
* Security policy definition
* Roles and responsibilities
* Personnel security (e.g., background checks)
* Security awareness and training
* Supply chain security governance
These controls ensure that people, processes, and third-party relationships support cybersecurity objectives.
Step 2: Why malware protection does not belong here
Malware protection is a technical control, not an organizational measure. In ISA/IEC 62443, malware protection is addressed under SP Element 4 - Component Hardening, which focuses on endpoint protection, anti-malware mechanisms, and secure configurations.
Step 3: Why the other options are valid
* Background checks are explicitly part of personnel security.
* Supply chain security is a key organizational concern.
* Security awareness training ensures staff understand their responsibilities.
Therefore, Malware protection is not listed under SP Element 1.
NEW QUESTION # 166
Which statement is TRUE regarding Intrusion Detection Systems (IDS)?
Available Choices (select all choices that are correct)
Answer: D
NEW QUESTION # 167
Multiuser accounts and shared passwords inherently carry which of the followinq risks?
Available Choices (select all choices that are correct)
Answer: C
NEW QUESTION # 168
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