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Measure: FiltersInAerationProcesses
Description
All air for aeration purposes in water treatment plants and water storage tanks should be filtered. Thus it is aimed to prevent contaminations induced by entering air by the provision of physical barriers. The aim is to ensure an ongoing high quality of the supplied water.
Comments
Filters should be installed at every air intake for aeration purposes. Furthermore, no openings for aeration purposes should be built directly over the water surface to prevent that attackers can easily induce dangerous substances or that dangerous substances are induced in a natural way.
Event source types
External attacker
Internal attacker
Human fault
Natural phenomena
Event types
Destruction
Interruption
Manipulation
Pollution
Risk reduction mechanism
Frequency/Likelihood
Threat Types
Cyber
Physical
Cyber-Physical
Action characteristics
Proactive
Measure types
Physical Barriers
Redundancy
Consequence Mitigation
event_ measures
Event-Measure: 98135
Event-Measure: 98171
Event-Measure: 98221
Event-Measure: 98432
Event-Measure: 98441
Event-Measure: 98513
Event-Measure: 98640
Event-Measure: 98769
Event-Measure: 98774
Event-Measure: 98842
Event-Measure: 98872
Event-Measure: 98880
Event-Measure: 98907
Event-Measure: 99168
Event-Measure: 99212
Event-Measure: 99521
Event-Measure: 99774
Event-Measure: 100024
Event-Measure: 100046
Event-Measure: 100088
Event-Measure: 100143
Event-Measure: 100189
Event-Measure: 100312
Event-Measure: 100434
Event-Measure: 100555
Event-Measure: 100830
Event-Measure: 100904
Event-Measure: 101024
Event-Measure: 101367
Event-Measure: 101513
Event-Measure: 101614
Event-Measure: 101618
Event-Measure: 101841
Event-Measure: 101892
Event-Measure: 102045
Event-Measure: 102124
Event-Measure: 102185
Event-Measure: 102233
Event-Measure: 102259
Event-Measure: 102376
Event-Measure: 102377
Event-Measure: 102452
Event-Measure: 102469
Event-Measure: 102557
Event-Measure: 102799
Event-Measure: 102830
Event-Measure: 102882
Event-Measure: 102947
Event-Measure: 103030
Event-Measure: 103129
Event-Measure: 103134
Event-Measure: 103149
Event-Measure: 103211
Event-Measure: 103252
Event-Measure: 103271
Event-Measure: 103275
Event-Measure: 103282
Event-Measure: 103324
Event-Measure: 103328
Event-Measure: 103387
Event-Measure: 103392
Event-Measure: 103461
Event-Measure: 103665
Event-Measure: 103685
Event-Measure: 103764
Event-Measure: 103804
Event-Measure: 103891
Event-Measure: 103956
Event-Measure: 104023
Event Consequences
Quantity
Quality
Financial
Reputation
Asset types
Catchment Area
Drinking Water Tanks
Raw Water Bodies
Water Treatment Plants
Events
Basic Event 218 - Accidental errors by authorized user while maintaining information system
Gate 186 - Quality verification process runs on altered WTP data
Basic Event 178 - Internal person silently takes over reservoir SCADA control
Basic Event 27 - Serious spill from inderedependent Industry CI accident
Basic Event 41 - Disinfectant missdosage from WTP from operational staff error
Basic Event 62 - Internal person silently takes over SCADA control
Basic Event 63 - Undetected SCADA hijacking software takes control of WTP operation
Basic Event 179 - Man-in-the-Middle attack manipulates reservoir control signals
Basic Event 203 - Mine drainage
Basic Event 32 - External person physically damages sewer line
Gate 236 - Outflow of WDN tank is interrupted
Basic Event 180 - Incorrect execution or failure of software acquired from an external party crashes reservoir control system
Basic Event 27 - Serious spill from inderedependent Industry CI accident
Basic Event 64 - Man-in-the-Middle attack manipulates WTP control signals
Basic Event 213 - Internal person silently takes over WTP SCADA control
Gate 239 - Mislead PLC controlled WDN tank refill process
Basic Event 34 - Nutrient pollution of groundwater catchment
Basic Event 240 - Upadate of OS causes false positive alarms from Event Detection System
Basic Event 177 - External person breaks in to reservoir control area taking over SCADA
Gate 182 - Seepage of contaminated floodwater through monitoring wells
Basic Event 232 - External person physically interrupts WDN tank outflow
Basic Event 214 - Undetected SCADA hijacking software takes control of WTP operation
Basic Event 37 - External person injects substance at sub-surface of monitoring site
Basic Event 38 - External person adds substance at the topsoil of monitoring site
Gate 234 - Contamination of WDN tank
Basic Event 216 - Incorrect execution or failure of software acquired from an external party crashes WTP control system
Gate 219 - Staff controlled hydraulic processes run without WTP data
Gate 220 - Staff or PLC controlled hydraulic processes run on altered WTP data
Gate 96 - Contamination from farming activities
Basic Event 52 - Restricted area authorization procedure failure
Basic Event 53 - Biological, chemical or radioactive substance injected to water tank
Basic Event 53 - Biological, chemical or radioactive substance injected to water tank
Basic Event 159 - Incorrect execution or failure of software acquired from an external party crashes WTP control system
Basic Event 65 - DoS attack to dosing system PLC
Basic Event 80 - External person induces chemical or radioactive substance to treated water tank
Gate 113 - Lower efficiency of WTP disinfectant undetected
Gate 142 - Chemical overdosing due to loss of WTP control
Basic Event 71 - Contaminated floodwater mixed with treated water in WTP
Gate 116 - Chemical overdosing due to misled WTP operation
Basic Event 279 - Malware corrupts prediction model database
Gate 193 - Surface water management system functions on altered data
Basic Event 66 - No back-up alternative for WTP dosing system PLC
Gate 122 - THM by-product formation in WTP
Basic Event 233 - External person damages WDN tank
Basic Event 72 - External person induces biological substances to treated water tank
Gate 176 - Staff controlled processes run without WTP data
Gate 96 - Contamination from farming activities
Gate 177 - Staff or PLC controlled processes run on altered WTP data
Gate 143 - External contamination of WTP
Basic Event 276 - SQL injection to data used for demand prediction
Gate 185 - Undetected contamination of WTP chemical solutions
Basic Event 30 - Sewer line accidental break
Basic Event 14 - Heavy rain
Basic Event 35 - Infiltration of contaminated floodwater to groundwater catchment
Basic Event 163 - External person attacks surface water system management party e.g. water board
Basic Event 34 - Nutrient pollution of groundwater catchment
Basic Event 38 - External person adds substance at the topsoil of monitoring site
Basic Event 33 - Pesticide seepage to groundwater catchment
Basic Event 60 - Flood control measures failure near monitoring site
Basic Event 171 - Human error in operating/using surface water management system
Basic Event 37 - External person injects substance at sub-surface of monitoring site
Basic Event 61 - External person breaks in to WTP and takes over SCADA undetected
Basic Event 219 - DoS attack to WTP process system PLC
Basic Event 29 - Sewer line overflow from blockage
Basic Event 73 - High biological load from improperly maintained WTP storage tank
Basic Event 31 - Combined sewer line overflow from flooding
Gate 111 - Insufficient disinfection due to loss of WTP control
Basic Event 35 - Infiltration of contaminated floodwater to groundwater catchment
Basic Event 33 - Pesticide seepage to groundwater catchment
Specific Assets
Control Center
Control System
Drinking Water Tanks
Groundwater
Spring Water
Surface Water
Water under treatment
Measure ID
M19
Name
FiltersInAerationProcesses
Risk reduction mechanism
Frequency/Likelihood
Action characteristics
Proactive