1 SCADA SYSTEMS CLASSIFICATIONS (ILIA DORMISHEV, KRENAR KOMONI) SCADA SYSTEM CLASSIFICATION NORWICH...

1SCADA SYSTEMS CLASSIFICATIONS (ILIA DORMISHEV, KRENAR KOMONI)SCADA SYSTEMS CLASSIFICATIONS (ILIA DORMISHEV, KRENAR KOMONI)

SCADA SYSTEMSCADA SYSTEMCLASSIFICATIONCLASSIFICATION

NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITYNORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY

2

AgendaAgenda IntroductionIntroduction

HistoryHistory What is SCADA?What is SCADA?

Classifications of a SCADA systemClassifications of a SCADA system Elements of SCADA system?Elements of SCADA system? Where is SCADA used?Where is SCADA used? What types of SCADA are there?What types of SCADA are there?

Purpose of this researchPurpose of this research ConclusionConclusion

SCADA SYSTEMS CLASSIFICATIONS (ILIA DORMISHEV, KRENAR KOMONI)SCADA SYSTEMS CLASSIFICATIONS (ILIA DORMISHEV, KRENAR KOMONI)



IntroductionIntroduction

SCADA (Supervisory Control and Data Acquisition)SCADA (Supervisory Control and Data Acquisition) System System

HistoryHistory Why SCADA?Why SCADA? Definition of SCADADefinition of SCADA



HistoryHistory

Egyptian supervisoryEgyptian supervisory First half of the 20First half of the 20thth century century Development from telemetry systemDevelopment from telemetry system Weather predictionsWeather predictions Rail road tracksRail road tracks Two way systemTwo way system 1960s idea for supervisory1960s idea for supervisory 1970s radio system1970s radio system



Why SCADA?Why SCADA? Saves Time and MoneySaves Time and Money

Less traveling for workers (e.g. helicopter ride)Less traveling for workers (e.g. helicopter ride) Reduces man-power needsReduces man-power needs Increases production efficiency of a companyIncreases production efficiency of a company Cost effective for power systemsCost effective for power systems Saves energySaves energy

ReliableReliable Supervisory control over a particular systemSupervisory control over a particular system



What is SCADA?What is SCADA? Supervisory Control and Data AcquisitionSupervisory Control and Data Acquisition SupervisorySupervisory

Operator/s, engineer/s, supervisor/s, etcOperator/s, engineer/s, supervisor/s, etc ControlControl

MonitoringMonitoring LimitedLimited TelemetryTelemetry Remote/LocalRemote/Local

Data acquisitionData acquisition Access and acquire information or data from the Access and acquire information or data from the equipment equipment Sends it to different sites through telemetrySends it to different sites through telemetry Analog / DigitalAnalog / Digital



ClassificationsClassifications Anatomy of a SCADA system?Anatomy of a SCADA system?

Elements of SCADAElements of SCADA Levels of SCADALevels of SCADA

Where is SCADA used? Where is SCADA used? Different applications of SCADA systems?Different applications of SCADA systems?

What types of SCADA are there?What types of SCADA are there? Component manufacturers and system manufacturers Component manufacturers and system manufacturers of the SCADA systems?of the SCADA systems?

Automation SolutionsAutomation Solutions SoftwareSoftware HardwareHardware



Elements of SCADAElements of SCADAElements of a SCADA systemElements of a SCADA system

Sensors and actuatorsSensors and actuators RTUs/PLCsRTUs/PLCs CommunicationCommunication MTUMTU

Front End ProcessorFront End Processor SCADA serverSCADA server Historical/Redundant/Safety ServerHistorical/Redundant/Safety Server HMI computerHMI computer HMI softwareHMI software



SensorsSensorsTypes of sensors:Types of sensors:

Pressure sensorsPressure sensors Temperature sensorsTemperature sensors Light sensorsLight sensors Humidity sensorsHumidity sensors Wind speed sensorsWind speed sensors Water level sensorsWater level sensors Distance sensorsDistance sensors



ActuatorsActuatorsActuators:Actuators:

ValvesValves PumpsPumps MotorsMotors



RTUsRTUsRTU – Remote Terminal UnitRTU – Remote Terminal Unit

Intelligent to control a process and multiple processesIntelligent to control a process and multiple processes Data logging and alarm handlingData logging and alarm handling ExpandableExpandable Asks the field devices for informationAsks the field devices for information Can control IEDs (Intelligent Electronic Device)Can control IEDs (Intelligent Electronic Device) Slave/Master deviceSlave/Master device



AlarmsAlarmsTypes of alarms:Types of alarms:

Good alarmsGood alarms Critical failure alarmsCritical failure alarms



Safety instrumented systemsSafety instrumented systems

Actions:Actions:

Override the normal control systemOverride the normal control system Take over the actuatorsTake over the actuators



PLCsPLCsPLC – Programmable Logic ControllerPLC – Programmable Logic Controller

Ladder logicLadder logic Industrial computer that replaced relaysIndustrial computer that replaced relays Not a protocol converterNot a protocol converter Cannot control IEDsCannot control IEDs Communication compatibilitiesCommunication compatibilities Takes actions based on its inputsTakes actions based on its inputs



CommunicationCommunicationCommunication systems:Communication systems:

Switched Telephone NetworkSwitched Telephone Network Leased linesLeased lines Private Network (LAN/RS-485)Private Network (LAN/RS-485) InternetInternet Wireless Communication systemsWireless Communication systems

Wireless LANWireless LAN Global System for Mobile CommunicationGlobal System for Mobile Communication (GSM) Network (GSM) Network Radio modemsRadio modems



Communication cont.Communication cont.Protocols:Protocols:

MODBUSMODBUS DNP 3.0DNP 3.0 FieldbusFieldbus Controller Area Network (CAN)Controller Area Network (CAN) ProfibusProfibus DirectNetDirectNet TCP/IPTCP/IP EthernetEthernet



Front End ProcessorFront End ProcessorFront End ProcessorFront End Processor

Gathers all communications and converts them Gathers all communications and converts them into SCADA friendly communication into SCADA friendly communication Communication interface between several RTUCommunication interface between several RTU channels and the host Master Station computer channels and the host Master Station computer



SCADA serverSCADA serverSCADA ServerSCADA Server

It can be a Web serverIt can be a Web server Data loggingData logging Analyzing dataAnalyzing data Serve the clients through a firewallServe the clients through a firewall Clients connected in the corporation or connectedClients connected in the corporation or connected outside through internet outside through internet Real-time decision makerReal-time decision maker Asks RTU for informationAsks RTU for information



Historical serverHistorical serverHistorical/Safety/Redundant ServerHistorical/Safety/Redundant Server

Logs the data from the SCADA server and Logs the data from the SCADA server and stores it as a backup, in case of a disaster stores it as a backup, in case of a disaster It is basically a safety serverIt is basically a safety server



HMI ComputerHMI ComputerHuman Machine Interface ComputerHuman Machine Interface Computer

Access on the SCADA ServerAccess on the SCADA Server Control the systemControl the system Operator InterfaceOperator Interface SoftwareSoftware

User friendlyUser friendly Programmable (C, C++)Programmable (C, C++)



DCSDCSDCS – Distributed Control SystemDCS – Distributed Control System

Process oriented – tendency to do somethingProcess oriented – tendency to do something Not event oriented – does not depend on circumstancesNot event oriented – does not depend on circumstances Local control over the devicesLocal control over the devices Subordinate to SCADASubordinate to SCADA



Levels of SCADALevels of SCADAFour levels of SCADA systemFour levels of SCADA system

Level IV - EnterpriseLevel IV - Enterprise Corporate LAN/WANCorporate LAN/WAN World Wide WebWorld Wide Web Virtual Private NetworkVirtual Private Network Firewall for remote usersFirewall for remote users

Level III – SCADA / MTULevel III – SCADA / MTU Operator WorkstationsOperator Workstations ControlControl Engineering WorkstationsEngineering Workstations Servers – Data loggingServers – Data logging



Levels of SCADA cont.Levels of SCADA cont.Four levels of SCADA systemFour levels of SCADA system

Level II – TelecommunicationLevel II – Telecommunication FiberFiber RadioRadio Telephone leased lineTelephone leased line ProtocolsProtocols

Level I – FieldLevel I – Field DevicesDevices RTUs / PLCsRTUs / PLCs SensorsSensors



Level IV - EnterpriseLevel IV - Enterprise NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITYNORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY


Level III - SCADALevel III - SCADA NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITYNORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY


Level II and ILevel II and ITelecommunication and FieldTelecommunication and Field



Where is SCADA used?Where is SCADA used?Main SCADA applications:Main SCADA applications:

Water and WastewaterWater and Wastewater PowerPower Oil and GasOil and Gas Research facilitiesResearch facilities TransportationTransportation Security systemsSecurity systems Siren systemsSiren systems IrrigationIrrigation Communication controlCommunication control


28

U.S. InfrastructureU.S. Infrastructure


Courtesy of Infrastructure Assurance CenterCourtesy of Infrastructure Assurance Center



SCADA examplesSCADA examples

SCADA examples:SCADA examples:

Gas control systemsGas control systems Water control systemsWater control systems Power systemsPower systems



Gas SCADAGas SCADA NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITYNORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY


Water SCADAWater SCADA NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITYNORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY


Power SCADAPower SCADA NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITYNORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY

powerpowercontrolcontrol


SCADA system typesSCADA system types

Three types of basic SCADA systems:Three types of basic SCADA systems:

Basic SCADABasic SCADA One machine processOne machine process One RTU and MTUOne RTU and MTU

Integrated SCADAIntegrated SCADA Multiple RTUsMultiple RTUs DCSDCS

Networked SCADANetworked SCADA Multiple SCADAMultiple SCADA



Basic SCADABasic SCADA

Car manufacturing robotCar manufacturing robot Room temperature controlRoom temperature control



Integrated SCADAIntegrated SCADA

Water systemsWater systems Subway systemsSubway systems Security systemsSecurity systems



Networked SCADANetworked SCADA

Power systemsPower systems CommunicationCommunication systems systems


37

Automation solutionsAutomation solutions


SCADA system manufacturersSCADA system manufacturers

Modular SCADA, UKModular SCADA, UK MOSCAD, MotorolaMOSCAD, Motorola Rockwell AutomationRockwell Automation ABCOABCO ABBABB LantronixLantronix


38

SCADA HardwareSCADA Hardware


SCADA Hardware manufacturersSCADA Hardware manufacturers

Rockwell Allen BradleyRockwell Allen Bradley General Electric (GE)General Electric (GE) EmersonEmerson Schneider ElectricSchneider Electric


39

SCADA SoftwareSCADA Software


SCADA Software manufacturersSCADA Software manufacturers

Intellution (Fix 32)Intellution (Fix 32) Iconics (Genesis32 v7.0)Iconics (Genesis32 v7.0) Wonderware (InTouch)Wonderware (InTouch) Citect (CitectSCADA 5.42)Citect (CitectSCADA 5.42) National Instruments (Lookout SCADA)National Instruments (Lookout SCADA)



Purpose of this researchPurpose of this research

Develop a teaching module for a general SCADA systemDevelop a teaching module for a general SCADA system Develop a general model of a SCADA systemDevelop a general model of a SCADA system Use LabView and wireless communication computersUse LabView and wireless communication computers to illustrate an example of the SCADA system to illustrate an example of the SCADA system Study the vulnerabilities of the SCADA systemStudy the vulnerabilities of the SCADA system Create a freshman introduction moduleCreate a freshman introduction module Create an upper level course for SCADACreate an upper level course for SCADA


41

What is next?What is next?


Use the Laptop1 to generate the wells, tanks, servers, RTUsUse the Laptop1 to generate the wells, tanks, servers, RTUs PLCs and the front end processor through SubVIs PLCs and the front end processor through SubVIs

Use the Laptop2 to be the HMI Computer that connects toUse the Laptop2 to be the HMI Computer that connects to Laptop1 and reads the data and also affect the devices Laptop1 and reads the data and also affect the devices

And Laptop3 to simulate an attack at the SCADA systemAnd Laptop3 to simulate an attack at the SCADA system


42

ConclusionConclusion


There are thousands of SCADA systems installed and theyThere are thousands of SCADA systems installed and theycan be completely different from each other, in terms ofcan be completely different from each other, in terms oftheir structures but they all have common elements andtheir structures but they all have common elements anda common purpose – to supervise control and collect data.a common purpose – to supervise control and collect data.

There are three types of SCADA systems that describeThere are three types of SCADA systems that describeall of the SCADA systems.all of the SCADA systems.

Communication is the most significant part of SCADACommunication is the most significant part of SCADA

Power and communication systems are most likely to Power and communication systems are most likely to get attacked by terrorists.get attacked by terrorists.


43

DiscussionDiscussion



1 SCADA SYSTEMS CLASSIFICATIONS (ILIA DORMISHEV, KRENAR KOMONI) SCADA SYSTEM CLASSIFICATION NORWICH...

Documents

Transcript of 1 SCADA SYSTEMS CLASSIFICATIONS (ILIA DORMISHEV, KRENAR KOMONI) SCADA SYSTEM CLASSIFICATION NORWICH...