SCADA Systems and Security Concerns
Lexi Bowman
SCADA systems are crucial for managing critical infrastructure but are at risk from
cyberattacks. Increased security measures are needed to protect them.
Overview of SCADA Systems
SCADA (Supervisory Control and Data Acquisition) systems manage systems such as power,
water, and gas facilities. These systems use parts like Human Machine Interfaces (HMIs) and
Programmable Logic Controllers (PLCs) to monitor and control processes, often in real time.
Components
SCADA systems include Remote Terminal Units (RTUs), which collect data, and HMIs, which
display data to operators for decision making. Communication networks connect these parts to
the main system, allowing operators to adjust processes when needed.
Security Vulnerabilities
SCADA systems are often vulnerable to cyberattacks due to outdated security practices. Hackers
can gain control of critical infrastructure, causing major disruptions and issues. To reduce risks,
stronger security tools like firewalls and VPNs are necessary (Macaulay, 2016).
Conclusion
SCADA systems are essential but need better security to protect against cyber threats. Regular
updates and more advanced cybersecurity practices will help keep these systems secure and
ensure reliable operations.
References
Macaulay, T. (2016). Cybersecurity for Industrial Control Systems: SCADA, DCS, PLC, HMI,
and SIS. CRC Press.
SCADA. (n.d.). SCADA Systems. Retrieved from https://www.scadasystems.net/
Lexi Bowman
SCADA systems are crucial for managing critical infrastructure but are at risk from
cyberattacks. Increased security measures are needed to protect them.
Overview of SCADA Systems
SCADA (Supervisory Control and Data Acquisition) systems manage systems such as power,
water, and gas facilities. These systems use parts like Human Machine Interfaces (HMIs) and
Programmable Logic Controllers (PLCs) to monitor and control processes, often in real time.
Components
SCADA systems include Remote Terminal Units (RTUs), which collect data, and HMIs, which
display data to operators for decision making. Communication networks connect these parts to
the main system, allowing operators to adjust processes when needed.
Security Vulnerabilities
SCADA systems are often vulnerable to cyberattacks due to outdated security practices. Hackers
can gain control of critical infrastructure, causing major disruptions and issues. To reduce risks,
stronger security tools like firewalls and VPNs are necessary (Macaulay, 2016).
Conclusion
SCADA systems are essential but need better security to protect against cyber threats. Regular
updates and more advanced cybersecurity practices will help keep these systems secure and
ensure reliable operations.
References
Macaulay, T. (2016). Cybersecurity for Industrial Control Systems: SCADA, DCS, PLC, HMI,
and SIS. CRC Press.
SCADA. (n.d.). SCADA Systems. Retrieved from https://www.scadasystems.net/
