What is a typical limitation of legacy OT systems when it comes to cybersecurity visibility?

B. They lack support for modern security protocols

What is the most common barrier to OT visibility in industrial networks?

C. Lack of asset inventory and network segmentation

What is typically the first and most critical step to improving OT visibility?

D. Conducting asset inventory and establishing a baseline

What role does Cyber Security Malaysia play in OT visibility?

C. Capability building and advisory

What is the key risk when OT visibility is lacking?

A. Unauthorize access to production systems

What tool is commonly used for network-based OT visibility?

C. Network Intrusion Detection System

What is the primary objective of OT visibility?

B. Detecting abnormal activities in OT networks

Which type of network traffic is most important to monitor in an OT environment to ensure visibility?

C. ICS/SCADA protocol traffic (e.g., Modbus, DNP3)

Why is passive monitoring preferred overactive scanning in OT environments in Malaysia?

B. Active scanning may disrupt sensitive OT operations

What is the role of a data diode in enhancing OT visibility while maintaining system security?

C. Allows one-way traffic from OT to IT for monitoring

Which Malaysian agency responsible to coordinate Critical National Information Infrastructure OT cybersecurity efforts?

D. National Cyber Security Agency (NACSA)

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Questions 12

Answers

1
What is a typical limitation of legacy OT systems when it comes to cybersecurity visibility?
C. They use cloud-based monitoring only
D. They are incompatible with AI monitoring tools
A. They consume too much electricity
B. They lack support for modern security protocols
2
What is the most common barrier to OT visibility in industrial networks?
D. High turnover of OT staff
A. Lack of antivirus software
B. Frequent power outages
C. Lack of asset inventory and network segmentation
3
What is typically the first and most critical step to improving OT visibility?
B. Installing upgraded industrial firewalls and switches
D. Conducting asset inventory and establishing a baseline
A. Segmenting the OT network and blocking internet access
C. Upgrading legacy PLCs to support secure protocols
4
What role does Cyber Security Malaysia play in OT visibility?
D. Selling cybersecurity hardware
C. Capability building and advisory
A. Enforcement of cybersecurity laws
B. Asset inventory collection
5
What is the key risk when OT visibility is lacking?
C. Lower battery life of devices
A. Unauthorize access to production systems
B. Too many alerts in Security Information and Event Management (SIEM)
D. Overheating of routers
6
What tool is commonly used for network-based OT visibility?
B. Anti-Virus Software
D. Nessus
C. Network Intrusion Detection System
A. Host-Based Network Intrusion Detection System
7
What is the primary objective of OT visibility?
B. Detecting abnormal activities in OT networks
D. Controlling business operation remotely
C. Preventing Malware in IT systems
A. Monitoring industrial process perfomance
8
Which type of network traffic is most important to monitor in an OT environment to ensure visibility?
D. Netflix streaming traffic
B. Email SMTP traffic
A. Web browsing traffic
C. ICS/SCADA protocol traffic (e.g., Modbus, DNP3)
9
Why is passive monitoring preferred overactive scanning in OT environments in Malaysia?
B. Active scanning may disrupt sensitive OT operations
A. Passive monitoring is cheaper
C. Active scanning is illegal in Malaysia
D. Passive monitoring requires no hardware
10
What is the role of a data diode in enhancing OT visibility while maintaining system security?
D. Encrypts SCADA commands for transmission
C. Allows one-way traffic from OT to IT for monitoring
A. Converts analog to digital data
B. Filters spam email
11
Which Malaysian agency responsible to coordinate Critical National Information Infrastructure OT cybersecurity efforts?
A. Malaysian Communication and Multimedia Commission (MCMC)
B. Malaysia Digital Economy Corporation (MDEC)
D. National Cyber Security Agency (NACSA)
C. Malaysia Computer Emergency Response Team (MyCERT)
12
In Malaysia, which following sectors required to report cybersecurity incidents involving OT system under CNII policies?
D. All of the above
B. Transportation
C. Social media platforms
A. E-commerce

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