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STOP-IT Quantity FT
STOP-IT Water Quality FT
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Fault Tree: STOP-IT Quantity FT
Files
OpenPSA/STOP_IT_Quantity_FT_UWC_y1j7GfK.xml
Events
Gate 147 - Unavailability of drinking water
Gate 148 - Unavailability at the storarge and distribution network
Gate 232 - WDN storage tank failure
Gate 233 - Suspended exploitation of tank from company or authorities
Gate 234 - Contamination of WDN tank
Gate 235 - False alarm on WDN tank contamination
Gate 236 - Outflow of WDN tank is interrupted
Gate 237 - Outflow valve of WDN tank closed
Gate 239 - Mislead PLC controlled WDN tank refill process
Gate 238 - WDN Pressure boosting Station failure
Gate 240 - WDN PBS interruption
Gate 242 - WDN pump power supply lost
Gate 243 - Insufficient power supply
Gate 247 - Mislead PBS power supply
Gate 244 - WDN PBS mislead operation
Gate 248 - Loss of WDN PBS control
Gate 249 - WDN valve failure
Gate 250 - WDN Valve operation interruption
Gate 251 - WDN valve mislead operation
Gate 252 - WDN pipe failure
Gate 253 - Overpressure from pump
Gate 254 - Waterhammer effect
Gate 255 - WDN pipe break
Gate 256 - WDN control failure
Gate 257 - Inability to operate WDN control center
Gate 258 - WDN control center power supply failure
Gate 259 - Insufficient power supply
Gate 260 - WDN control system manipulated
Gate 261 - WDN control system destroyed
Gate 149 - Unavailability from Water Treatment Plant (WTP)
Gate 215 - Suspended exploitation of treated water from company or authorities
Gate 227 - False alarm for contamination in WTP
Gate 228 - Chemical contamination of WTP outflow identified
Gate 216 - Insufficiency of WTP available treated water
Gate 217 - Insufficient production of WTP
Gate 218 - Mismanagement of WTP 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 221 - Insufficient inflow to WTP
Gate 150 - Unavailability from Raw water body
Gate 151 - Unavailability from surface catchment area
Gate 153 - Suspended exploitation of surface water body from authorities
Gate 95 - Surface water contamination
Gate 97 - Industrial activities and waste disposal failure
Gate 98 - Failure at sanitation system
Gate 99 - Sewer line failure and flow to surface water body
Gate 85 - WWTP failure
Gate 86 - Overflow due to exceedance of hydraulic capacity
Gate 87 - WWTP site flooded
Gate 88 - Inappropriate hydraulic operation of WWTP due to loss of control
Gate 89 - Inappropriate hydraulic operation of WWTP due to misled operation
Gate 90 - Sub-standard outflow due to operational failure
Gate 91 - Inappropriate WWTP outflow quality due to loss of control
Gate 92 - Inappropriate WWTP outflow quality due to misled operations
Gate 155 - Unavailability from reservoir
Gate 190 - Surface water system mismanagement
Gate 191 - Mislead surface water management system
Gate 192 - Surface water management system functions with insufficient input data
Gate 193 - Surface water management system functions on altered data
Gate 194 - Reservoir intake stucture failure
Gate 195 - Reservoir Intake pipe failure
Gate 196 - Reservoir tunnel failure
Gate 197 - Inability to perform raw water production from reservoir
Gate 198 - Insufficient production due to loss of reservoir control system
Gate 199 - Insufficient production due to pumping station failure
Gate 200 - Raw water pump system failure
Gate 152 - Unavailability from groundwater catchment
Gate 184 - Suspended exploitation of groundwater from authorities
Gate 94 - Groundwater contamination
Gate 96 - Contamination from farming activities
Gate 103 - Contamination at groundwater monitoring site
Gate 182 - Seepage of contaminated floodwater through monitoring wells
Gate 201 - False signal for groundwater contamination
Gate 202 - Assumption of groundwater contamination by company
Gate 203 - Groundwater contamination alert signal activated
Gate 204 - Inability to abstract sufficient groundwater
Gate 205 - Mismanagement of groundwater system
Gate 207 - Groundwater management system run on insufficient data
Gate 208 - Groundwater management system runs on altered data
Gate 206 - Lose control of groundwater abstraction well system
Gate 209 - Loss of groundwater abstraction well system control
Gate 210 - Inability to abstract water due to loss of infrastructure
Gate 222 - Inability to continue WTP production
Gate 223 - Loss of WTP process control
Gate 224 - Inability to perform WTP process due to equipment failure
Gate 225 - Inability to perform WTP process due to enegy supply failure
Gate 226 - Undetected WTP power transformer failure
Basic Event 52 - Restricted area authorization procedure failure
Basic Event 53 - Biological, chemical or radioactive substance injected to water tank
Basic Event 234 - Quality sensor installed in WDN tank
Basic Event 152 - Man-in-the-Middle attack manipulates quality sensor signals
Basic Event 151 - External person physicaly manipulates tank quality sensor readings
Basic Event 240 - Upadate of OS causes false positive alarms from Event Detection System
Basic Event 232 - External person physically interrupts WDN tank outflow
Basic Event 233 - External person damages WDN tank
Basic Event 235 - External person in situ manipulates WDN tank level sensor
Basic Event 236 - Man-in-the-Middle attack manipulates WDN tank level sensor signals
Basic Event 237 - Malware alters PLC statements that control WDN tank refill
Basic Event 238 - External person in situ manipulates WDN tank transmission system
Basic Event 239 - Subcontractor physically disconnects local PLC
Basic Event 244 - External person physically destroys pumps
Basic Event 245 - DoS attack on WDN pump
Basic Event 241 - No alternative power supply available
Basic Event 242 - External person destroys WDN power transformer
Basic Event 243 - External power supply provider failure
Basic Event 252 - Man-in-the-Middle attack manipulates WDN PBS sensor signals
Basic Event 253 - External person in situ destroys PBS sensors
Basic Event 254 - External person physically destroys PBS data transmission wires
Basic Event 255 - Man-in-the-Middle attack manipulates local power transformer signals
Basic Event 250 - Malware alters PLC statements that control pump
Basic Event 251 - External person in situ manipulates PBS transmission devices
Basic Event 256 - External person jams PBS communications
Basic Event 257 - Incorrect execution or failure of software acquired from an external party crashes PBS control system
Basic Event 258 - Malware DoS to local PBS PLC
Basic Event 259 - External person physically damages PBS PLC
Basic Event 260 - Internal person silently takes over PBS SCADA control
Basic Event 261 - Undetected SCADA hijacking software takes control of PBS operation
Basic Event 262 - External person physically destroys valve
Basic Event 263 - DoS attack on WDN valve
Basic Event 264 - Malware alters PLC statements that control valve
Basic Event 265 - Man-in-the-Middle attack manipulates WDN valve sensor signals
Basic Event 266 - External person jams WDN valve communications
Basic Event 267 - Man-in-the-Middle attack manipulates WDN valve control signals
Basic Event 268 - Cathode corrosion stolen/destroyed/manipulated
Basic Event 269 - External person physically destroys WDN pipes
Basic Event 270 - Control center destroyed by accidental fire
Basic Event 271 - WDN Control center destroyed by accidental flood
Basic Event 272 - WDN control center destroyed by intentional flood
Basic Event 273 - External person attacks WDN control room
Basic Event 274 - Ransomeware denies access to the WDN control system
Basic Event 275 - Malware alters WDN control statements
Basic Event 276 - SQL injection to data used for demand prediction
Basic Event 277 - Malware tampers network topology characteristics on prediction models (e.g. tank volume curve)
Basic Event 278 - Ransomware wipes out WDN control system files
Basic Event 279 - Malware corrupts prediction model database
Basic Event 280 - External person physically destroys WDN servers
Basic Event 281 - Incorrect execution or failure of software acquired from an external party crashes WDN control system
Basic Event 282 - Failure to regulate the temperature, humidity and air quality in environments where information systems are located
Basic Event 227 - Fake news about contamination in WTP using manipulated water company public communication
Basic Event 209 - External person physically manipulates WTP sensor readings
Basic Event 210 - Man-in-the-Middle attack manipulates WTP sensor signal
Basic Event 218 - Accidental errors by authorized user while maintaining information system
Basic Event 226 - Low availability of treated water stored in WTP
Basic Event 205 - External person physically destroys WTP sensors
Basic Event 206 - External person jams WTP sensor signal transmission
Basic Event 207 - External person destroys WTP transmission wires
Basic Event 208 - External attacker blocks WDN sensor signals to reach WTP
Basic Event 211 - External attacker manipulates WTP transmission devices
Basic Event 204 - Limited or no alternatives of raw water source for the WTP
Basic Event 83 - False signal for surface water contamination
Basic Event 26 - Serious spill from Interdependent Industry CI from cyber-physical attack
Basic Event 27 - Serious spill from inderedependent Industry CI accident
Basic Event 28 - Illegal disposal practices from interdependent Industry CI
Basic Event 30 - Sewer line accidental break
Basic Event 29 - Sewer line overflow from blockage
Basic Event 31 - Combined sewer line overflow from flooding
Basic Event 32 - External person physically damages sewer line
Basic Event 14 - Heavy rain
Basic Event 17 - Insufficiency / failure of WWTP flood measures
Basic Event 18 - External person breaks in WWTP and takes over SCADA
Basic Event 19 - Internal person intrudes WWTP control room and takes over SCADA
Basic Event 20 - SCADA hijacking software takes control of WWTP operation
Basic Event 23 - Man-in-the-Middle attack manipulates WWTP control signals
Basic Event 21 - WWTP operational staff faulty actions/decisions
Basic Event 22 - Man-in-the-Middle attack manipulates WWTP data transmitted from sensors
Basic Event 24 - External person physically manipulates WWTP quality sensor
Basic Event 184 - Shallow intake
Basic Event 163 - External person attacks surface water system management party e.g. water board
Basic Event 171 - Human error in operating/using surface water management system
Basic Event 164 - External person physically destroys surface water system sensors
Basic Event 165 - External person jams surface water system sensor signal transmission
Basic Event 166 - External person jams surface water system sensor signal transmission
Basic Event 167 - External person physically manipulates surface water system sensor readings
Basic Event 168 - External person physically manipulates surface water system sensor readings
Basic Event 169 - Man-in-the-Middle attack manipulates surface water system sensor signal
Basic Event 170 - External attacker manipulates surface water system transmission devices
Basic Event 172 - Structural deterioration of reservoir intake pipe material
Basic Event 173 - External physical load leads to reservoir intake pipe break
Basic Event 174 - External person destroys reservoir intake pipe
Basic Event 175 - External physical load due blasting leads to reservoir tunnel collapse
Basic Event 176 - Geological disruption
Basic Event 177 - External person breaks in to reservoir control area taking over SCADA
Basic Event 178 - Internal person silently takes over reservoir SCADA control
Basic Event 179 - Man-in-the-Middle attack manipulates reservoir control signals
Basic Event 180 - Incorrect execution or failure of software acquired from an external party crashes reservoir control system
Basic Event 183 - Raw water pump energy supply failure
Basic Event 181 - Failure of alternative pumps
Basic Event 182 - Raw water pump destruction
Basic Event 36 - Seepage of Interdependent Industry CI waste to groundwater catchment
Basic Event 33 - Pesticide seepage to groundwater catchment
Basic Event 34 - Nutrient pollution of groundwater catchment
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
Basic Event 39 - External person adds substance through monitoring well
Basic Event 35 - Infiltration of contaminated floodwater to groundwater catchment
Basic Event 60 - Flood control measures failure near monitoring site
Basic Event 185 - External person detected near groundwater abstraction wells
Basic Event 186 - Quality sensor transmission wires of observation wells manipulated
Basic Event 187 - External person physically manipulates groundwater quality sensor readings
Basic Event 188 - Internal person physically manipulates groundwater quality sensor readings
Basic Event 189 - Man-in-the-Middle attack manipulates groundwater quality sensor signal
Basic Event 203 - Mine drainage
Basic Event 190 - External person physically destroys observation well sensors
Basic Event 191 - External person physically destroys data transmission system of wells
Basic Event 192 - External person physically destroys data transmission wires of wells
Basic Event 193 - External person jams data transmission of wells
Basic Event 194 - External person manipulates transmission wires of wells
Basic Event 195 - External person manipulates data transmission system of wells
Basic Event 196 - Man-in-the-Middle attack manipulates well sensor signal
Basic Event 197 - External person physically manipulates well sensor signal
Basic Event 198 - External person breaks in to well control area and takes over SCADA
Basic Event 199 - Internal person silently takes over abstraction well SCADA control
Basic Event 200 - Incorrect execution or failure of software acquired from an external party crashes abstraction well control system
Basic Event 201 - Malware performs DoS attack on abstraction well PLCs
Basic Event 202 - External person destroys abstraction wells
Basic Event 212 - Inability to remotely operate of WTP or other alternative for the process
Basic Event 213 - Internal person silently takes over WTP SCADA control
Basic Event 214 - Undetected SCADA hijacking software takes control of WTP operation
Basic Event 215 - Man-in-the-Middle attack manipulates WTP control signals
Basic Event 216 - Incorrect execution or failure of software acquired from an external party crashes WTP control system
Basic Event 217 - Failure to regulate the temperature, humidity and air quality in environments where information systems are located
Basic Event 219 - DoS attack to WTP process system PLC
Basic Event 220 - External person physically destroys WTP process system
Basic Event 221 - Internal person physically destroys WTP process system
Basic Event 222 - A valve is opened and floods equipment
Basic Event 223 - Loss of external power supply for the WTP
Basic Event 224 - External person destroys data transmission system of WTP power transformers
Basic Event 225 - External person destroys WTP power transformer
Name
STOP-IT Quantity FT