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| Slide 7
Cyber Security and Safety: Avoid problems
Somebody does something that causes something bad
Who does what (Cause)
Problem type Causes what (Effect)
Laws of Nature causes unit
failure
§
ICS unit
§
Process equipment
“Good” person makes mistake
(Engineering, operation,
maintenance, …)
“Evil” person
§
hacker
§
disgruntled employee (insider)
penetrates ICS
§
targeted
§
not targeted
Physical attack
§
Spoofing
§
Tampering
§
Repudiation
§
Info
disclosure
§
Denial of
Service
§
Elevation of
Privileges
§
Confidentiality
§
Integrity
§
Availability
People health problem
Environmental problem
Economical loss
Inconvenience
Not on purpose
On purpose
Safety
Not Cyber Security
Not required for SIL certification
Handled by Security