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| Section | Objectives |
|---|---|
| Topic 1: Validating or Verifying the Security of Systems | - Continuous improvement of security measures - Auditing and compliance - Security validation and verification techniques |
| Topic 2: How Cyberattacks Happen | - Vulnerabilities in industrial systems - Case studies of industrial cyber incidents - Cyber threats and attack vectors |
| Topic 3: Addressing Risk with Implementation Measures | - Access control principles - Defense-in-depth strategy - Industrial network architecture and segmentation - Zones and conduits model |
| Topic 4: Addressing Risk with Security Policy, Organization, and Awareness | - Security awareness and training - Security policies and procedures - Organizational security roles and responsibilities |
| Topic 5: Addressing Risk with Selected Security Counter Measures | - Patch management - Virtual Private Networks (VPNs) - Firewalls and network security devices - Anti-virus and endpoint protection |
| Topic 6: Monitoring and Improving the CSMS | - Security lifecycle management - Incident detection and response - Continuous monitoring of IACS cybersecurity |
| Topic 7: Understanding the Current Industrial Security Environment | - Convergence of IT and OT - Security challenges in OT environments - Current state of industrial control systems security |
| Topic 8: Risk Analysis | - Cybersecurity risk assessment concepts - Risk and vulnerability analysis techniques - Risk management fundamentals |
| Topic 9: Creating A Security Program | - Defining information security policy - Security management organization - Developing a long-term security program |
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NEW QUESTION # 201
Which is a commonly used protocol for managing secure data transmission on the Internet?
Available Choices (select all choices that are correct)
Answer: B,C
Explanation:
Datagram Transport Layer Security (DTLS) and Secure Sockets Layer (SSL) are both commonly used protocols for managing secure data transmission on the Internet. DTLS is a variant of SSL that is designed to work over datagram protocols such as UDP, which are used for real-time applications such as voice and video. SSL is a protocol that provides encryption, authentication, and integrity for data transmitted over TCP, which is used for reliable and ordered delivery of data. Both DTLS and SSL use certificates and asymmetric cryptography to establish a secure session between the communicating parties, and then use symmetric cryptography to encrypt the data exchanged. DTLS and SSL are widely used in web browsers, email clients, VPNs, and other applications that require secure communication over the Internet. References:
ISA/IEC 62443 Standards to Secure Your Industrial Control System, Module 3: Introduction to Cryptography, pages 3-5 to 3-7 Using the ISA/IEC 62443 Standards to Secure Your Control System, Chapter 6: Securing Communications, pages 125-126
NEW QUESTION # 202
Which is a commonly used protocol for managing secure data transmission on the Internet?
Available Choices (select all choices that are correct)
Answer: B,C
Explanation:
Datagram Transport Layer Security (DTLS) and Secure Sockets Layer (SSL) are both commonly used protocols for managing secure data transmission on the Internet. DTLS is a variant of SSL that is designed to work over datagram protocols such as UDP, which are used for real-time applications such as voice and video.
SSL is a protocol that provides encryption, authentication, and integrity for data transmitted over TCP, which is used for reliable and ordered delivery of data. Both DTLS and SSL use certificates and asymmetric cryptography to establish a secure session between the communicating parties, and then use symmetric cryptography to encrypt the data exchanged. DTLS and SSL are widely used in web browsers, email clients, VPNs, and other applications that require secure communication over the Internet. References:
* ISA/IEC 62443 Standards to Secure Your Industrial Control System, Module 3: Introduction to Cryptography, pages 3-5 to 3-7
* Using the ISA/IEC 62443 Standards to Secure Your Control System, Chapter 6: Securing Communications, pages 125-126
NEW QUESTION # 203
According to ISA/IEC TR 62443-1-5, which documents can be referenced when creating a security profile?
Answer: A
Explanation:
ISA/IEC TR 62443-1-5 provides guidance on developing and using security profiles to represent the security requirements of IACS systems. These profiles reference detailed technical and procedural requirements drawn from multiple documents in the 62443 series.
"The creation of security profiles should leverage relevant requirements and foundational elements from:
ISA/IEC 62443-2-1 (Security Program Requirements for IACS Asset Owners) ISA/IEC 62443-2-4 (Requirements for IACS Service Providers) ISA/IEC 62443-3-3 (System Security Requirements and Security Levels) ISA/IEC 62443-4-1 (Secure Product Development Lifecycle Requirements) ISA/IEC 62443-4-2 (Technical Security Requirements for IACS Components)"
- ISA/IEC TR 62443-1-5:2018, Clause 5.2
This ensures a comprehensive and layered security profile based on technical, system, and organizational controls.
References:
ISA/IEC TR 62443-1-5:2018 - Clause 5.2
Cross-referenced documents: 62443-2-1, 2-4, 3-3, 4-1, 4-2
NEW QUESTION # 204
Which U.S. Department is responsible for the Chemical Facility Anti-Terrorism Standards (CFATS)?
Answer: C
Explanation:
The Chemical Facility Anti-Terrorism Standards (CFATS) program is overseen and enforced by the U.S.
Department of Homeland Security (DHS). This program is designed to identify and regulate high-risk chemical facilities to ensure they have security measures in place to reduce the risk associated with hazardous chemicals, including risks posed by cyber threats.
Reference: U.S. Department of Homeland Security (DHS), Official CFATS Documentation; ISA/IEC 62443-
2-1:2009, Section 4.2.6 (Reference to U.S. regulations).
NEW QUESTION # 205
Which model describes relationships between assets within an industrial automation and control system?
Answer: B
Explanation:
The asset model is used in ISA/IEC 62443 to represent and describe the relationships and dependencies between different assets in an IACS environment. This model helps organizations identify and document assets, their interconnections, and their significance for operational and cybersecurity purposes. The zone model builds upon the asset model for segmentation, but the asset model itself establishes the foundational relationships.
Reference: ISA/IEC 62443-1-1:2007, Section 4.3.1 ("Asset Model"); Figure 3 ("Example asset model for IACS").
NEW QUESTION # 206
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