Posts Tagged ‘modbus’

DNP3 Cybersecurity Risks: How to Protect ICS & SCADA Systems

DNP3 Cybersecurity Risks Quick Summary DNP3 is widely used in ICS and SCADA but faces significant security gaps, especially in legacy systems. Common threats include man-in-the-middle attacks, packet manipulation, and master impersonation. Legacy compatibility issues mean many systems still lack encryption and authentication. Mitigation requires strong authentication, encryption, integrity protection, and network segmentation. Zero Trust…

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Modbus Security Issues and How to Mitigate Cyber Risks

Key Points Modbus Lacks Fundamental Security: Designed for isolated environments, Modbus protocols (especially Modbus TCP) lack encryption, authentication, access control, and integrity checks, making them highly vulnerable to cyberattacks. Common Vulnerabilities: Issues include default configurations, outdated firmware, absence of logging, susceptibility to replay, MitM, DoS, command injection, insider threats, and poor physical and network security.…

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