ISA-IEC-62443-IC33M : ISA/IEC 62443 Cybersecurity Risk Assessment Specialist (Certificate 2) Exam

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ISA-IEC-62443-IC33M
Certificate 2: ISA/IEC 62443 Cybersecurity Risk Assessment Specialist
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Question: 448
According to ISA/IEC 62443-3-3, which of the following system requirements (SR) is most critical for ensuring that data transmitted over the network is protected from unauthorized access?
1. SR 1.1: User Identification and Authentication
2. SR 4.1: Data Confidentiality Protection
3. SR 3.1: System Integrity Monitoring
4. SR 2.1: Use Control Enforcement Answer: B
ation: SR 4.1: Data Confidentiality Protection ensures that data transmitted over the network
ed from unauthorized access, maintaining confidentiality.
ion: 449
ontext of cybersecurity for OT environments, which of the following best describes the ance of conducting regular security audits, particularly in relation to assessing the effectiven
security controls and compliance with industry standards?
nducting regular security audits is essential for assessing the effectiveness of security control ng compliance with industry standards in OT environments.
urity audits are only necessary for large organizations. urity audits should focus solely on technical aspects. urity audits are irrelevant if strong passwords are used.
er: A
nation: Conducting regular security audits is essential for assessing the effectiveness of securi ls and ensuring compliance with industry standards in OT environments. These audits help zations identify gaps in their security posture, evaluate the implementation of security measu sure that they are meeting regulatory requirements. Regular audits are a critical component o ehensive cybersecurity strategy.
ion: 450
anaging patches within an organization, it is essential to have a structured approach to ens
Explan is
protect
Quest
In the c
import ess of
1. Co s and
ensuri
2. Sec
3. Sec
4. Sec Answ
Expla ty
contro
organi res,
and en f a
compr
Quest
When m ure
that all systems are updated in a timely manner. In a scenario where an organization has a diverse IT environment with various operating systems and applications, which of the following strategies should be implemented to enhance the effectiveness of the patch management process?
1. The organization should apply patches randomly across systems to avoid overwhelming the IT team.
2. The organization should establish a patch management policy that includes regular assessments of vulnerabilities, prioritization of patches based on risk, and a defined schedule for testing and deployment.
3. The organization should only apply patches when users report issues, as this approach minimizes unnecessary updates.
4. The organization should focus solely on critical patches and ignore minor updates to streamline the
process. Answer: B
Explanation: The organization should establish a patch management policy that includes regular assessments of vulnerabilities, prioritization of patches based on risk, and a defined schedule for testing and deployment. This structured approach ensures that all systems remain secure and up-to-date.
Question: 451
valuate the financial impact of data breaches
dentify and mitigate risks to personal data processing activities ocument the names of individuals responsible for data protection rack the progress of compliance audits
er: B
nation: A DPIA is conducted to identify and mitigate risks to personal data processing activit ng compliance with GDPR and protecting individuals' privacy.
ion: 452
ontext of zero-day vulnerabilities, which of the following best describes the importance of t anagement, particularly in relation to the potential consequences of exploitation on organiz
security?
mely patch management is less critical for zero-day vulnerabilities because they are rarely ex mely patch management is irrelevant if organizations have robust incident response plans in p mely patch management is essential for mitigating the risks associated with zero-day vulnera educes the window of opportunity for attackers to exploit these flaws.
mely patch management only applies to known vulnerabilities and does not impact zero-day abilities.
er: C
Under GDPR, what is the primary purpose of conducting a Data Protection Impact Assessment (DPIA)?
To e
To i
To d
To t Answ
Expla ies,
ensuri
Quest
In the c imely
patch m ational
1. Ti ploited.
2. Ti lace.
3. Ti bilities,
as it r
4. Ti
vulner Answ
Explanation: Timely patch management is essential for mitigating the risks associated with zero-day vulnerabilities, as it reduces the window of opportunity for attackers to exploit these flaws. While zero- day vulnerabilities are unknown to the vendor, organizations must remain vigilant and apply patches as soon as they become available to protect their systems.
Question: 453
A company is determining the achieved security level (SL-
1. SL-A 4
2. SL-A 2
3. SL-A 3
4. for its ICS. If the system meets all requirements for SL-T 1 but only partially meets the requirements for SL-T 2, what is the SL-A value?D. SL-A 1
Answer: D
Explanation: The achieved security level (SL-
A. is the highest level for which all requirements are fully met. Here, the system fully meets SL-T 1 but not SL-T 2, so SL-A is 1.
ontext of integrating IT and OT systems, which of the following best describes the importa shing clear communication protocols, particularly in relation to ensuring effective collaborat en IT and OT teams?
mmunication protocols are unnecessary if both teams are in the same location. mmunication protocols should focus solely on technical aspects.
ablishing clear communication protocols is essential for ensuring effective collaboration bet teams, facilitating information sharing and incident response.
mmunication protocols are irrelevant if strong passwords are used. er: C
nation: Establishing clear communication protocols is essential for ensuring effective collabo en IT and OT teams. These protocols facilitate information sharing, incident response, and nation during cybersecurity events, helping to bridge the gap between the two domains. Effe unication is critical for maintaining operational integrity and addressing cybersecurity challe ated environments.
ion: 455
the focus of the concept of "Security Zones" within the ISA/IEC 62443 standard, and how ribute to the overall cybersecurity strategy of an IACS?
lassify assets solely based on their physical location
Question: 454
In the c nce of
establi ion
betwe
1. Co
2. Co
3. Est ween IT
and OT
4. Co
Answ
Expla ration
betwe
coordi ctive
comm nges in
integr
Quest
What is does
it cont
1. To c
2. To group assets based only on their cybersecurity budget
3. To implement a centralized control for all system vulnerabilities
4. To segment the IACS into logical subdivisions based on common security requirements and threats Answer: D
Explanation: Security Zones are designed to segment the IACS into logical subdivisions that share common security requirements and threats, thereby enhancing the overall cybersecurity strategy by allowing for tailored protective measures for different asset groups.
Question: 456
When documenting compliance with ISA/IEC 62443, which of the following is the most critical aspect of the risk register?
1. It must include a detailed financial impact analysis of all risks
2. It must be updated in real-time as new risks are identified
3. It must list all employees responsible for risk management
4. It must be reviewed and approved by external auditors Answer: B
Expla
nation: The risk register must be updated in real-time as new risks are identified to ensure it remains an accurate and useful tool for managing cybersecurity risks, as required by ISA/IEC 6244
ion: 457
tilizing the STRIDE model for threat modeling, which of the following scenarios best illust levation of Privilege" threat category, particularly in the context of an industrial control syst
acker intercepts and modifies network traffic to gain access
ser with limited access gains unauthorized administrative rights mployee accidentally exposes sensitive data to the public ystem experiences a failure due to a lack of maintenance
er: B
nation: The "Elevation of Privilege" threat category refers to scenarios where an individual g orized access to higher-level permissions than they are entitled to. In this case, a user with l gaining unauthorized administrative rights exemplifies this threat, as it allows them to perfo that could compromise the integrity and security of the industrial control system. The other represent different types of threats.
ion: 458
of the following is a key requirement of NERC CIP-004 for protecting critical cyber assets?
3.
Quest
When u rates
the "E em?
1. A h
2. A u
3. An e
4. A s
Answ
Expla ains
unauth imited
access rm
actions options
Quest
Which
1. Implementing multi-factor authentication for all users
2. Applying security patches within 30 days of release
3. Conducting annual cybersecurity training for employees
4. Encrypting all communication channels Answer: C
Explanation: NERC CIP-004 requires conducting annual cybersecurity training for employees to ensure they are aware of and can mitigate cybersecurity risks.
Question: 459
In the context of ICS cybersecurity, which of the following best describes the role of data integrity measures, particularly in relation to ensuring the accuracy and reliability of data used for decision-making and control processes?
1. Data integrity measures are only relevant for data storage systems.
2. Data integrity is less important than data availability in ICS.
3. Data integrity measures should focus solely on data encryption.
processes. er: D
nation: Ensuring data integrity is critical for maintaining the accuracy and reliability of infor control processes within ICS environments. Data integrity measures help prevent unauthori cations, ensuring that operators and decision-makers can rely on the data they use for monito ntrolling industrial processes. This is essential for maintaining operational efficiency and saf
ion: 460
ontext of vulnerability scanning, the effectiveness of the scanning process can be influence factors, including the configuration of the scanning tool and the environment being assesse of the following factors is most critical to consider when conducting a vulnerability scan in
ction environment, particularly in relation to minimizing disruptions?
scanning tool should be scheduled to run scans during off-peak hours to minimize disrupti ction systems and services.
scanning tool should be set to perform aggressive scans that probe all ports and services to as many vulnerabilities as possible.
scanning tool should be configured to run scans during peak business hours to maximize ity.
scanning tool should be configured to ignore all critical systems to avoid potential disrupti
er: A
Ensuring data integrity is critical for maintaining the accuracy and reliability of information used in control
Answ
Expla mation
used in zed
modifi ring
and co ety.
Quest
In the c d by
various d.
Which a
produ
1. The ons to
produ
2. The identify
3. The visibil
4. The ons.
Answ
Explanation: The scanning tool should be scheduled to run scans during off-peak hours to minimize disruptions to production systems and services. This approach helps ensure that the scanning process does not interfere with normal business operations while still allowing for effective vulnerability identification.
Question: 461
What is the primary purpose of policies and procedures in the context of ISA/IEC 62443 compliance?
1. To provide a detailed financial analysis of cybersecurity risks
2. To document the names of employees involved in risk management
3. To establish a framework for managing cybersecurity risks
4. To track the progress of risk mitigation projects Answer: C
Explanation: Policies and procedures establish a framework for managing cybersecurity risks, ensuring that the organization has a structured approach to addressing risks in compliance with ISA/IEC 62443.
ybersecurity risk analysis for an IACS, what is the most effective method for quantifying risk into account that the asset’s criticality is rated at 85, the threat likelihood is 0.5, and the exp should be expressed in monetary terms?
= Asset Criticality x Threat Likelihood x Impact
= Asset Value x (Likelihood - Impact)
= Threat Likelihood x Impact
= (Asset Criticality x Threat Likelihood) / Impact er: C
nation: The most effective method for quantifying risk in monetary terms is given by the for Threat Likelihood x Impact, which provides a direct correlation between the calculated like financial consequence of an incident.
ion: 463
of the following administrative controls is most effective in reducing the risk of insider thre ng that employees only have access to the information necessary for their job roles?
plementing a firewall to block unauthorized traffic
orcing the principle of least privilege through access control policies nducting regular cybersecurity awareness training
talling an Intrusion Detection System (IDS)
Question: 462
In a c ,
taking ected
impact
1. Risk
2. Risk
3. Risk
4. Risk Answ
Expla mula
Risk = lihood
and the
Quest
Which ats by
ensuri
1. Im
2. Enf
3. Co
4. Ins Answer: B
Explanation: The principle of least privilege is an administrative control that limits user access to only the information necessary for their job roles, reducing the risk of insider threats. Firewalls, training, and IDS are not directly related to access control policies.
Question: 464
In the context of ICS cybersecurity, which of the following best describes the significance of conducting regular vulnerability assessments and penetration testing, particularly in relation to identifying
weaknesses in the system's security posture?
1. Vulnerability assessments and penetration testing are only necessary during system upgrades.
2. Regular assessments help organizations identify and remediate weaknesses before they can be exploited by attackers.
3. These assessments are primarily focused on physical security measures.
4. Vulnerability assessments are sufficient without the need for penetration testing. Answer: B
ying and remediating weaknesses in an ICS's security posture before they can be exploited b ers. These proactive measures help organizations understand their vulnerabilities, prioritize iation efforts, and enhance their overall cybersecurity defenses. Regular assessments are a cri nent of a comprehensive cybersecurity strategy.
ion: 465
nalyzing the potential for "Denial of Service" (DoS) attacks within an industrial control sys f the following factors would be most relevant in quantifying the risk associated with such
bandwidth capacity of the network infrastructure number of users accessing the system simultaneously
average response time of the system under normal conditions frequency of system updates and patches applied
er: A
nation: The bandwidth capacity of the network infrastructure is a critical factor in quantifyin Denial of Service attacks. A system with limited bandwidth is more susceptible to being helmed by malicious traffic, leading to service disruptions. While response time, user load, a frequency are relevant, they do not directly address the system's vulnerability to DoS attack
Explanation: Conducting regular vulnerability assessments and penetration testing is essential for identif y
attack
remed tical
compo
Quest
When a tem,
which o an
attack?
1. The
2. The
3. The
4. The Answ
Expla g the
risk of
overw nd
update s.

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