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| Section | Objectives |
|---|---|
| Addressing Risk with Security Policy, Organization, and Awareness | - Organizational security roles and responsibilities - Security policies and procedures - Security awareness and training |
| Risk Analysis | - Cybersecurity risk assessment concepts - Risk and vulnerability analysis techniques - Risk management fundamentals |
| Validating or Verifying the Security of Systems | - Auditing and compliance - Security validation and verification techniques - Continuous improvement of security measures |
| Addressing Risk with Implementation Measures | - Zones and conduits model - Access control principles - Defense-in-depth strategy - Industrial network architecture and segmentation |
| How Cyberattacks Happen | - Vulnerabilities in industrial systems - Cyber threats and attack vectors - Case studies of industrial cyber incidents |
| Addressing Risk with Selected Security Counter Measures | - Virtual Private Networks (VPNs) - Anti-virus and endpoint protection - Firewalls and network security devices - Patch management |
| Understanding the Current Industrial Security Environment | - Security challenges in OT environments - Convergence of IT and OT - Current state of industrial control systems security |
| Creating A Security Program | - Developing a long-term security program - Security management organization - Defining information security policy |
| Monitoring and Improving the CSMS | - Continuous monitoring of IACS cybersecurity - Incident detection and response - Security lifecycle management |
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NEW QUESTION # 148
Using the risk matrix below, what is the risk of a medium likelihood event with high consequence?
Answer: A
Explanation:
According to the ISA/IEC 62443 Cybersecurity Fundamentals, the risk matrix is a tool used to assess the risk of a particular event. The risk matrix is divided into three categories: likelihood, consequence, and risk. The likelihood is the probability that an event will occur, the consequence is the impact that the event will have, and the risk is the combination of the two. In this case, the risk of a medium likelihood event with high consequence is a high risk, as shown by the red cell in the matrix. References:
ISA/IEC 62443 Cybersecurity Fundamentals
[ISA/IEC 62443 Cybersecurity Certificate Program]
[Cybersecurity Library]
[Using the ISA/IEC 62443 Standard to Secure Your Control Systems]
NEW QUESTION # 149
What does IACS stand for?
Answer: D
Explanation:
IACS stands for "Industrial Automation and Control Systems." The ISA/IEC 62443 series defines IACS as systems used for industrial automation, process control, and related functions. These include systems such as Distributed Control Systems (DCS), SCADA systems, and PLCs. The term encompasses all electronic systems, networks, and equipment used to automate industrial processes.
Reference: ISA/IEC 62443-1-1:2007, Section 3.2.1 (Definitions and Abbreviations); Glossary entry for
"IACS."
NEW QUESTION # 150
What is a commonly used protocol for managing secure data transmission over a Virtual Private Network
(VPN)?
Available Choices (select all choices that are correct)
Answer: A
NEW QUESTION # 151
What are the three main components of the ISASecure Integrated Threat Analysis (ITA) Program?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
The ISASecure Integrated Threat Analysis (ITA) Program is a certification scheme that certifies off-the-shelf automation and control systems to the ISA/IEC 62443 series of standards1. The ITA Program consists of three main components2:
* Software Development Security Assurance (SDSA): This component evaluates the security lifecycle and practices of the product supplier, such as security requirements, design, implementation, verification, and maintenance. The SDSA certification is based on the ISA/IEC 62443-4-1 standard.
* Functional Security Assessment (FSA): This component verifies the security functions and features implemented in the product, such as identification and authentication, access control, encryption, audit logging, and security management. The FSA certification is based on the ISA/IEC 62443-4-2 standard.
* Communications Robustness Testing (CRT): This component tests the resilience of the product against network attacks, such as denial-of-service, fuzzing, spoofing, and replay. The CRT certification is based on the ISA/IEC 62443-4-2 and ISA/IEC 62443-3-3 standards .
References:
* 1: ISASecure - IEC 62443 Conformance Certification - Official Site
* 2: ISASecure - IEC 62443 Conformance Certification - Official Site
* [3]: ISA/IEC 62443-4-1: Secure Product Development Lifecycle Requirements, ISA, 2018.
* [4]: ISA/IEC 62443-4-2: Technical Security Requirements for IACS Components, ISA, 2019.
* [5]: ISA/IEC 62443-4-2: Technical Security Requirements for IACS Components, ISA, 2019.
* [6]: ISA/IEC 62443-3-3: System Security Requirements and Security Levels, ISA, 2013.
NEW QUESTION # 152
Which of the following is a recommended default rule for IACS firewalls?
Available Choices (select all choices that are correct)
Answer: D
Explanation:
A recommended default rule for IACS firewalls is to block all traffic by default, and then allow only the necessary and authorized traffic based on the security policy and the zone and conduit model. This is also known as the principle of least privilege, which means granting the minimum access required for a legitimate purpose. Blocking all traffic by default provides a higher level of security and reduces the attack surface of the IACS network. The other choices are not recommended default rules for IACS firewalls, as they may expose the IACS network to unnecessary risks. Allowing all traffic by default would defeat the purpose of a firewall, as it would not filter any malicious or unwanted traffic. Allowing IACS devices to access the Internet would expose them to potential cyber threats, such as malware, phishing, or denial-of-service attacks. Allowing traffic directly from the IACS network to the enterprise network would bypass the demilitarized zone (DMZ), which is a buffer zone that isolates the IACS network from the enterprise network and hosts services that need to communicate between them. References:
* ISA/IEC 62443 Standards to Secure Your Industrial Control System training course1
* ISA/IEC 62443 Cybersecurity Fundamentals Specialist Study Guide2
* Using the ISA/IEC 62443 Standard to Secure Your Control Systems3
NEW QUESTION # 153
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