Cyber threats for PV: What are man-in-the-middle attacks and how do they work

Man-in-the-middle attacks are a serious threat to networked PV systems, allowing attackers to intercept, modify, or disrupt communications, potentially causing operational failures, physical damage, financial losses, and safety hazards. Effective defense requires a layered approach combining encryption, strong authentication, network segmentation, firewalls, IDS, and continuous monitoring to detect, prevent, and limit the impact of such attacks. Man-in-the-middle (MITM) cyberattacks are a special kind of cyber threat targeting a wide range of digital and cyber-physical systems where two parties ...

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