ISA 62443 Cybersecurity Fundamentals Exam IC32 Questions And Answers
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Course
ISA 62443
Institution
ISA 62443
ISA 62443 Cybersecurity Fundamentals Exam IC32 Questions And Answers
What does ISA-62443 1-1 Cover? ANS Basic Concepts and models related to cybersecurity. The difference between IT and IACS, Defense-in-Depth and Security zones and conduits.
The difference between IT and IACS ANS IACS Cyberse...
ISA 62443 Cybersecurity Fundamentals Exam IC32
Questions And Answers
What does ISA-62443 1-1 Cover? ANS Basic Concepts and models related to cybersecurity. The
difference between IT and IACS, Defense-in-Depth and Security zones and conduits.
The difference between IT and IACS ANS IACS Cybersecurity has to address issues of health,
safety and environment (HSE).
IT - Confidentiality - Integrity - Availability.
IACS - Availability - Integrity - Confidentiality.
With IACS there are lives on the line - downtime/rebooting not acceptable.
COTS ANS Commercial off the shelf
Defence in Depth ANS Layered Security (order doesn't matter this is example):
Physical Security
Policies and Procedures
Zones & Conduits
Malware Prevention
Access Controls
Monitoring & Detection
Patching
Risk equation ANS Risk = Threat x Vulnerability x Consequence
5 Risk Responses ANS 1. Design the risk out
2. Reduce the risk
3. Accept the risk
4. Transfer or share the risk
5. Redesign ineffective controls
, What requires continuous operation, may not tolerate rebooting and may require certification after
any changes ANS IACS
What is Shodan? ANS Online service which has done a full port scan of the entire IPv4 Internet
What is a regulation? ANS Mandatory rules to follow
What is a standard? ANS Standards are voluntary codes for which there are no legal obligations
to comply. Possibility of getting sued if negligent
Normative standard? ANS Normative elements are indicated by the use of the words "shall" or
"must"
Informative standard? ANS The informative
elements provide clarification or additional information like guidelines
What is ISA99? ANS Committee that makes standards across industries
What are the 4 work product organization (Groups) of the ISA 62443 standards? ANS 1. General
2. Policies & Procedures
3. System
4. Component
Are TRs normative or informative? ANS Informative
ISA-62443-1-1 ANS Concepts and Models
ISA-62443-2-1 ANS Security program requirements for IACS asset owners
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