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| Section | Objectives |
|---|---|
| Topic 1: Creating A Security Program | - Developing a long-term security program - Security management organization - Defining information security policy |
| Topic 2: How Cyberattacks Happen | - Vulnerabilities in industrial systems - Case studies of industrial cyber incidents - Cyber threats and attack vectors |
| Topic 3: Validating or Verifying the Security of Systems | - Auditing and compliance - Security validation and verification techniques - Continuous improvement of security measures |
| Topic 4: Understanding the Current Industrial Security Environment | - Convergence of IT and OT - Security challenges in OT environments - Current state of industrial control systems security |
| Topic 5: Risk Analysis | - Risk and vulnerability analysis techniques - Risk management fundamentals - Cybersecurity risk assessment concepts |
| Topic 6: Monitoring and Improving the CSMS | - Incident detection and response - Continuous monitoring of IACS cybersecurity - Security lifecycle management |
| Topic 7: Addressing Risk with Security Policy, Organization, and Awareness | - Security awareness and training - Security policies and procedures - Organizational security roles and responsibilities |
| Topic 8: Addressing Risk with Implementation Measures | - Industrial network architecture and segmentation - Defense-in-depth strategy - Zones and conduits model - Access control principles |
| Topic 9: Addressing Risk with Selected Security Counter Measures | - Patch management - Firewalls and network security devices - Virtual Private Networks (VPNs) - Anti-virus and endpoint protection |
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NEW QUESTION # 179
Which service does an Intrusion Detection System (IDS) provide?
Available Choices (select all choices that are correct)
Answer: C
Explanation:
An intrusion detection system (IDS) is a network security tool that monitors network traffic and devices for known malicious activity, suspicious activity or security policy violations. The IDS sends alerts to IT and security teams when it detects any security risks and threats. However, an IDS does not block or prevent the malicious activity, it only detects and reports it. Therefore, an IDS is not the lock on the door for networks and computer systems, nor is it effective against all vulnerabilities in networks and computer systems. An IDS can be combined with an intrusion prevention system (IPS) to block the malicious activity in real time.
References:
* What is Intrusion Detection Systems (IDS)? How does it Work? | Fortinet1
* Intrusion Detection System (IDS) - GeeksforGeeks2
* What is an intrusion detection system (IDS)? - IBM3
NEW QUESTION # 180
What is a feature of an asymmetric key?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
An asymmetric key is a feature of asymmetric cryptography, also known as public-key cryptography, which is a method of encrypting and decrypting data using two different keys: a public key and a private key. The public key can be shared with anyone, while the private key must be kept secret by the owner. The public key and the private key are mathematically related, but it is computationally infeasible to derive one from the other. Asymmetric cryptography can be used for various purposes, such as digital signatures, key exchange, and encryption. For example, if Alice wants to send a message to Bob, she can use Bob's public key to encrypt the message, and only Bob can decrypt it using his private key. Alternatively, if Bob wants to prove that he is the author of a message, he can use his private key to sign the message, and anyone can verify it using his public key. Asymmetric cryptography has some advantages over symmetric cryptography, which uses the same key for both encryption and decryption. For instance, asymmetric cryptography does not require a secure channel to distribute the keys, and it can provide non-repudiation and authentication.
However, asymmetric cryptography also has some drawbacks, such as higher computational complexity, larger key sizes, and higher network overhead.
References:
ISA/IEC 62443-3-3:2018, Section 4.2.3.6.1, Cryptography1
ISA/IEC 62443-4-2:2019, Section 4.2.3.6.1, Cryptography
ISA/IEC 62443 Cybersecurity Fundamentals Specialist Study Guide, Section 5.3.1, Cryptography ISA/IEC 62443 Cybersecurity Fundamentals Specialist Exam Specification, Section 5.3.1, Cryptography
NEW QUESTION # 181
Which is a PRIMARY reason why network security is important in IACS environments?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
Network security is important in IACS environments because PLCs, or programmable logic controllers, are devices that control physical processes and equipment in industrial settings. PLCs under cyber attack can have costly and dangerous impacts, such as disrupting production, damaging equipment, compromising safety, and harming the environment. Therefore, network security is essential to protect PLCs and other IACS components from unauthorized access, modification, or disruption. The other choices are not primary reasons why network security is important in IACS environments. PLCs are not inherently unreliable, but they can be affected by environmental factors, such as temperature, humidity, and electromagnetic interference. PLCs are programmed using ladder logic, which is a graphical programming language that resembles electrical schematics. PLCs use serial or Ethernet communications methods, depending on the type and age of the device, to communicate with other IACS components, such as human-machine interfaces (HMIs), supervisory control and data acquisition (SCADA) systems, and distributed control systems (DCSs). 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 # 182
What does the first group of the ISA/IEC 62443 series focus on?
Answer: B
Explanation:
The ISA/IEC 62443 standards are divided into four main groups: General, Policies and Procedures, System, and Component. The first group, "General," includes foundational standards and technical reports that provide essential concepts, models, terminology, and overall guidance for the rest of the series. This includes parts such as 62443-1-1 (concepts and models), 1-2 (glossary), 1-3 (metrics), and 1-4 (security lifecycle and use cases).
Reference: ISA/IEC 62443-1-1:2007, Section 4.1.2; Official 62443 series structure as published by ISA and IEC.
NEW QUESTION # 183
Which of the following ISA-99 (IEC 62443) Reference Model levels is named correctly?
Available Choices (select all choices that are correct)
Answer: C
Explanation:
The ISA-99/IEC 62443 standards for industrial automation and control systems security categorize network and system components into different levels based on their operational context. The correct name from the provided options for one of these levels is Level 3: Operations Management. This level typically encompasses systems that manage production control systems, including batch management, production scheduling, and overall factory operations. The other levels listed, such as Supervisory Control and Process, refer to different aspects of the system but are not named correctly in the options provided. Level 1 is correctly referred to as
"Basic Control," and Level 4 should be "Business Logistics" instead of "Process."
NEW QUESTION # 184
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