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Test Simulation
Sam Longstaff
Created on October 24, 2024
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Transcript
- Do you know what they look like on your systems?
- Who is your escalation contact?
- Is there a documented process for reporting?
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Virus Alert!
Your HMI and operator stations are just normal computers under the fancy graphics! If you see an antivirus alert pop up, escalate it immediately to the person responsible!
This one is a subtle one.. Well done! If you see that the HMI or operator station is running in administrator or engineer mode instead of the normal operator mode, this is a significant concern. These elevated modes grant broader access to system settings, configurations, and control logic, increasing the risk of unintentional or malicious changes.
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Administrator & Engineering Mode
This isn't normal!?
- Report and Escalate!
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Ransomware!
The scary stuff!
A ransomware pop-up on the screen of an HMI or operator station, this is a critical situation that indicates the system has been compromised. Avoid interacting with the ransomware window or attempting to close it, as this could trigger further malicious actions. Do not attempt to pay the ransom or follow any instructions in the pop-up
- Notify Supervisors and Cybersecurity Teams!
- Ensure Process Safety!
- Document and Support the Investigation!
- Do not interact with the pop up!
- Verify the situation!
- Follow Safety Procedures
- Report and Escalate
- Isolate and Investigate
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Process Changes!
It seems like all of our valves are suddenly closed in the process! Although there are numerous causes for this, one often under evaluated cause is a cyber attack. Attackers have the abilities to take over control and modify parameters!
Be sure to take note of what a "normal" process looks like when viewing your operator station or HMI. What does it look like in your place of work? Lets see if you can identify some problems that could be caused by a cyber incident!
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Healthy HMI!
Looks like our HMI and process is safe right now
"Null" or missing values for components and pressures on the HMI typically indicates a loss of communication or data corruption, which could be due to network issues, sensor malfunctions, or even a potential cyber-attack. Once again:
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Values are missing!
Where is our data!
- Verify System Health and Cross-Check Data
- Follow Safety Procedures
- Report the Issue and Escalate
- Investigate the Cause