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Common Security Measures in SCADA Systems to Prevent Cyber Attacks
SCADA systems are critical components in various industries such as energy, water treatment, and manufacturing. To prevent cyber attacks and safeguard these systems, several security measures are typically implemented:
- Network Segmentation: SCADA networks are segmented to isolate critical systems from less secure areas, reducing the attack surface and limiting unauthorized access.
- Firewalls and Intrusion Detection Systems: Firewalls are used to monitor and control incoming and outgoing network traffic, while intrusion detection systems help in identifying and responding to suspicious activities.
- Access Control: Role-based access control and strong authentication mechanisms are employed to restrict access to sensitive resources and ensure that only authorized personnel can make changes to the system.
- Encryption: Data traveling between SCADA components is encrypted to protect it from eavesdropping and tampering, enhancing data confidentiality and integrity.
- Regular Security Updates: Patch management practices are followed to keep SCADA systems up to date with the latest security patches and minimize vulnerabilities that could be exploited by attackers.
By employing these security measures, SCADA operators can enhance the resilience of their systems against cyber threats and maintain the integrity, availability, and confidentiality of their critical infrastructure.
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