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| Section | Objectives |
|---|---|
| Topic 1: Creating A Security Program | - Security management organization - Developing a long-term security program - Defining information security policy |
| Topic 2: Monitoring and Improving the CSMS | - Continuous monitoring of IACS cybersecurity - Incident detection and response - Security lifecycle management |
| Topic 3: Addressing Risk with Selected Security Counter Measures | - Anti-virus and endpoint protection - Patch management - Virtual Private Networks (VPNs) - Firewalls and network security devices |
| Topic 4: Addressing Risk with Security Policy, Organization, and Awareness | - Security policies and procedures - Organizational security roles and responsibilities - Security awareness and training |
| Topic 5: Understanding the Current Industrial Security Environment | - Security challenges in OT environments - Convergence of IT and OT - Current state of industrial control systems security |
| Topic 6: How Cyberattacks Happen | - Cyber threats and attack vectors - Case studies of industrial cyber incidents - Vulnerabilities in industrial systems |
| Topic 7: Validating or Verifying the Security of Systems | - Continuous improvement of security measures - Security validation and verification techniques - Auditing and compliance |
| Topic 8: Risk Analysis | - Risk and vulnerability analysis techniques - Cybersecurity risk assessment concepts - Risk management fundamentals |
| Topic 9: Addressing Risk with Implementation Measures | - Zones and conduits model - Industrial network architecture and segmentation - Defense-in-depth strategy - Access control principles |
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NEW QUESTION # 45
In an IACS system, a typical security conduit consists of which of the following assets?
Available Choices (select all choices that are correct)
Answer: B
NEW QUESTION # 46
Which is a commonly used protocol for managing secure data transmission on the Internet?
Available Choices (select all choices that are correct)
Answer: C,D
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 # 47
What are three possible entry points (pathways) that could be used for launching a cyber attack?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
A cyber attack is an attempt to compromise the confidentiality, integrity, or availability of a computer system or network by exploiting its vulnerabilities. A cyber attack can be launched from various entry points, which are the pathways that allow an attacker to access a target system or network. According to the ISA/IEC 62443-
3-2 standard, which defines a method for conducting a security risk assessment for industrial automation and control systems (IACS), some of the possible entry points for a cyber attack are:
* LAN: A local area network (LAN) is a network that connects devices within a limited geographic area, such as a building or a campus. A LAN can be an entry point for a cyber attack if an attacker gains physical or logical access to the network devices, such as switches, routers, firewalls, or servers. An attacker can use various techniques to access a LAN, such as network scanning, spoofing, sniffing, or hijacking. An attacker can also exploit vulnerabilities in the network protocols, services, or applications that run on the LAN. A cyber attack on a LAN can affect the communication and operation of the devices and systems connected to the network, such as IACS.
* Portable media: Portable media are removable storage devices that can be used to transfer data between different systems or devices, such as USB flash drives, CDs, DVDs, or external hard drives. Portable media can be an entry point for a cyber attack if an attacker uses them to introduce malicious code or data into a target system or device. An attacker can use various techniques to infect portable media, such as autorun, social engineering, or physical tampering. An attacker can also exploit vulnerabilities in the operating systems, drivers, or applications that interact with portable media. A cyber attack using portable media can affect the functionality and security of the systems or devices that use them, such as IACS.
* Wireless: Wireless is a technology that enables communication and data transmission without physical wires or cables, such as Wi-Fi, Bluetooth, or cellular networks. Wireless can be an entry point for a cyber attack if an attacker intercepts, modifies, or disrupts the wireless signals or data. An attacker can use various techniques to access wireless networks or devices, such as cracking, jamming, or eavesdropping. An attacker can also exploit vulnerabilities in the wireless protocols, standards, or encryption methods. A cyber attack on wireless can affect the availability and reliability of the wireless communication and data transmission, such as IACS.
Therefore, LAN, portable media, and wireless are three possible entry points that could be used for launching a cyber attack. References:
* Cybersecurity Risk Assessment According to ISA/IEC 62443-3-21
* ISA/IEC 62443 Series of Standards2
NEW QUESTION # 48
Which of the following starts at a high level and includes all ANSI/ISA-95 Level 0,1,2,3,4 equipment and information systems?
Answer: A
Explanation:
The reference model described in ISA/IEC 62443-1-1 (see Figure 2) starts at a high level and encompasses all levels of the ISA-95 model (Levels 0 to 4), which range from field devices up to business logistics systems.
This model provides a holistic, layered view of all the equipment, systems, and information flows in industrial automation.
Reference: ISA/IEC 62443-1-1:2007, Section 4.2 ("Reference Model"); Figure 2 (Relationship to ANSI/ISA-
95 Levels).
NEW QUESTION # 49
What is OPC?
Available Choices (select all choices that are correct)
Answer: A
Explanation:
OPC stands for Open Platform Communications, and it is a series of standards and specifications for industrial telecommunication based on Object Linking and Embedding (OLE) for process control. It allows the communication of real-time data between devices from different manufacturers using various data transportation technologies, such as Microsoft's OLE, COM, DCOM, .NET, XML, and TCP123. OPC is not a protocolitself, but rather a standardized approach for data connectivity supported by the OPC Foundation3. OPC is widely used in industrial automation and control systems, as well as other industries, to achieve interoperability and integration between different applications and devices3.
A is incorrect, because OPC is not a field bus protocol, but rather a standard for data exchange between devices that may use different field bus protocols, such as Modbus, Profibus, or Ethernet/IP2. C is incorrect, because OPC is not a serial communications protocol, but rather a standard that can use various data transportation technologies, including serial, Ethernet, or wireless2. D is incorrect, because OPC is not a vendor-specific proprietary protocol, but rather an open standard that can be implemented by any vendor or device that supports the OPC specifications3. References: 1: Open Platform Communications - Wikipedia 2: What is OPC Protocol - The Automization 3: What is OPC? - OPC Foundation
NEW QUESTION # 50
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