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Measure: FencesAndWalls
Description
Construction of fences or walls around sensitive sites. By the construction of such physical barriers the entrance to sensitive sites is impeded. The aim is to ensure that no unauthorized personnel gets access to sensitive buidlings, assets or infrastructures.
Comments
Which kind of fence and/or wall is chosen depends inter alia on the protection needs of the respective infrastructure/asset/building. Thus, before a fence or wall is built, a security concept (e.g. defining different security zones) could be set up to define which needs for perimeter protection exist in the respective cases.
Event source types
External attacker
Internal attacker
Human fault
Event types
Destruction
Manipulation
Pollution
Risk reduction mechanism
Frequency/Likelihood
Threat Types
Physical
Cyber-Physical
Action characteristics
Proactive
Measure type
Physical Barriers
event_ measures
Event-Measure: 98293
Event-Measure: 98311
Event-Measure: 98352
Event-Measure: 98367
Event-Measure: 98377
Event-Measure: 98711
Event-Measure: 98722
Event-Measure: 98790
Event-Measure: 98824
Event-Measure: 98854
Event-Measure: 98971
Event-Measure: 99069
Event-Measure: 99241
Event-Measure: 99292
Event-Measure: 99384
Event-Measure: 99447
Event-Measure: 99561
Event-Measure: 99790
Event-Measure: 99916
Event-Measure: 99991
Event-Measure: 100135
Event-Measure: 100207
Event-Measure: 100261
Event-Measure: 100320
Event-Measure: 100372
Event-Measure: 100378
Event-Measure: 100392
Event-Measure: 100416
Event-Measure: 100481
Event-Measure: 100503
Event-Measure: 100529
Event-Measure: 100580
Event-Measure: 100586
Event-Measure: 100637
Event-Measure: 100707
Event-Measure: 100724
Event-Measure: 100876
Event-Measure: 100934
Event-Measure: 101036
Event-Measure: 101082
Event-Measure: 101094
Event-Measure: 101230
Event-Measure: 101241
Event-Measure: 101299
Event-Measure: 101348
Event-Measure: 101380
Event-Measure: 101425
Event-Measure: 101481
Event-Measure: 101487
Event-Measure: 101698
Event-Measure: 101769
Event-Measure: 101815
Event-Measure: 101954
Event-Measure: 101978
Event-Measure: 102111
Event-Measure: 102310
Event-Measure: 102443
Event-Measure: 102534
Event-Measure: 102747
Event-Measure: 102805
Event-Measure: 102812
Event-Measure: 102874
Event-Measure: 103210
Event-Measure: 103272
Event-Measure: 103460
Event-Measure: 103545
Event-Measure: 103606
Event-Measure: 103614
Event-Measure: 103626
Event-Measure: 103803
Event-Measure: 103833
Event-Measure: 103889
Event-Measure: 103904
Event-Measure: 104031
Event Consequences
Quantity
Quality
Financial
Reputation
Asset types
Catchment Area
Drinking Water Tanks
Pressure Boosting Station
Raw Water Bodies
Water Abstraction Points
Water Treatment Plants
Events
Basic Event 73 - High biological load from improperly maintained WTP storage tank
Basic Event 53 - Biological, chemical or radioactive substance injected to water tank
Basic Event 171 - Human error in operating/using surface water management system
Gate 189 - Additives composition altered
Gate 113 - Lower efficiency of WTP disinfectant undetected
Basic Event 64 - Man-in-the-Middle attack manipulates WTP control signals
Gate 122 - THM by-product formation in WTP
Basic Event 233 - External person damages WDN tank
Basic Event 199 - Internal person silently takes over abstraction well SCADA control
Gate 220 - Staff or PLC controlled hydraulic processes run on altered WTP data
Gate 182 - Seepage of contaminated floodwater through monitoring wells
Gate 193 - Surface water management system functions on altered data
Basic Event 257 - Incorrect execution or failure of software acquired from an external party crashes PBS control system
Basic Event 214 - Undetected SCADA hijacking software takes control of WTP operation
Basic Event 30 - Sewer line accidental break
Basic Event 53 - Biological, chemical or radioactive substance injected to water tank
Basic Event 177 - External person breaks in to reservoir control area taking over SCADA
Gate 185 - Undetected contamination of WTP chemical solutions
Basic Event 201 - Malware performs DoS attack on abstraction well PLCs
Basic Event 161 - External person adds substance to WTP stored additives
Basic Event 61 - External person breaks in to WTP and takes over SCADA undetected
Gate 176 - Staff controlled processes run without WTP data
Basic Event 66 - No back-up alternative for WTP dosing system PLC
Basic Event 259 - External person physically damages PBS PLC
Basic Event 216 - Incorrect execution or failure of software acquired from an external party crashes WTP control system
Basic Event 178 - Internal person silently takes over reservoir SCADA control
Basic Event 81 - Additive and/or disinfectant overdose from WTP staff error
Gate 239 - Mislead PLC controlled WDN tank refill process
Basic Event 240 - Upadate of OS causes false positive alarms from Event Detection System
Basic Event 39 - External person adds substance through monitoring well
Gate 111 - Insufficient disinfection due to loss of WTP control
Basic Event 72 - External person induces biological substances to treated water tank
Basic Event 41 - Disinfectant missdosage from WTP from operational staff error
Basic Event 163 - External person attacks surface water system management party e.g. water board
Basic Event 202 - External person destroys abstraction wells
Basic Event 78 - Internal person adds substance to WTP coagulant storage tank
Gate 187 - Contamination of WTP chemical solutions
Basic Event 276 - SQL injection to data used for demand prediction
Gate 234 - Contamination of WDN tank
Basic Event 27 - Serious spill from inderedependent Industry CI accident
Basic Event 250 - Malware alters PLC statements that control pump
Basic Event 39 - External person adds substance through monitoring well
Basic Event 63 - Undetected SCADA hijacking software takes control of WTP operation
Gate 142 - Chemical overdosing due to loss of WTP control
Basic Event 198 - External person breaks in to well control area and takes over SCADA
Gate 219 - Staff controlled hydraulic processes run without WTP data
Basic Event 261 - Undetected SCADA hijacking software takes control of PBS operation
Basic Event 219 - DoS attack to WTP process system PLC
Basic Event 180 - Incorrect execution or failure of software acquired from an external party crashes reservoir control system
Basic Event 45 - Internal person adds substance to WTP disinfectant storage tank
Gate 118 - Disinfectant composition altered
Basic Event 213 - Internal person silently takes over WTP SCADA control
Basic Event 225 - External person destroys WTP power transformer
Basic Event 52 - Restricted area authorization procedure failure
Gate 143 - External contamination of WTP
Basic Event 159 - Incorrect execution or failure of software acquired from an external party crashes WTP control system
Basic Event 200 - Incorrect execution or failure of software acquired from an external party crashes abstraction well control system
Basic Event 80 - External person induces chemical or radioactive substance to treated water tank
Gate 116 - Chemical overdosing due to misled WTP operation
Basic Event 29 - Sewer line overflow from blockage
Basic Event 65 - DoS attack to dosing system PLC
Basic Event 279 - Malware corrupts prediction model database
Gate 186 - Quality verification process runs on altered WTP data
Basic Event 77 - External person adds substance to WTP coagulant storage tank
Basic Event 27 - Serious spill from inderedependent Industry CI accident
Basic Event 62 - Internal person silently takes over SCADA control
Basic Event 218 - Accidental errors by authorized user while maintaining information system
Basic Event 162 - Internal person adds substance to WTP stored additives
Basic Event 255 - Man-in-the-Middle attack manipulates local power transformer signals
Basic Event 179 - Man-in-the-Middle attack manipulates reservoir control signals
Gate 177 - Staff or PLC controlled processes run on altered WTP data
Basic Event 32 - External person physically damages sewer line
Basic Event 232 - External person physically interrupts WDN tank outflow
Basic Event 44 - External person adds substance to WTP disinfectant storage tank
Specific Assets
Additives
Control Center
Control System
Drinking Water Tanks
Power Transformer
Pressure Boosting Station
Spring Water
Surface Water
Water under treatment
Well
Measure ID
M01
Name
FencesAndWalls
Risk reduction mechanism
Frequency/Likelihood
Action characteristics
Proactive