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This chapter provides an in-depth examination of protecting controllers within Industrial Control Systems (ICS) from various attacks. It details the roles and types of controllers, including network controllers, access control systems, and automotive control units, and highlights the potential consequences of a controller breach, such as data manipulation, service disruptions, financial losses, and national security risks. The chapter covers essential mitigation techniques, emphasizing the importance of securing domain controllers and Active Directory. Multi-factor authentication (MFA) is discussed as a critical mitigation strategy, alongside securing DNS for domain controllers (Bright Security (2024) Dns tunneling: Techniques, tools, and prevention). Additionally, the chapter explores security metrics to help readers assess and enhance their security posture. Emerging threats, such as zero-day exploits (Kaspersky, n,d., Zero-day exploit, Retrieved from https://www.kaspersky.com/resource-center/definitions/zero-day-exploit ), ransomware attacks, and the role of AI/machine learning in both attack and defense, are examined. The chapter also addresses data privacy, compliance concerns, and the security of wireless controllers, while discussing potential future trends in controller security threats. By understanding these vulnerabilities and mitigation strategies, readers will be equipped to safeguard controllers and ensure the overall security of their ICS environments.

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Controller Security Threats: Mitigating Advanced Persistent Threats (APTs), Enhancing Authentication, and Securing Control Architectures

  • 章节

  • 发表日期：

    2026年

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  • Mohammad Ashiqur Rahman,
  • Syed Bahauddin Alam,
  • Kishor Datta Gupta,
  • Roy George,
  • Sunzida Siddique,
  • Kazuma Kobayashi

摘要

This chapter provides an in-depth examination of protecting controllers within Industrial Control Systems (ICS) from various attacks. It details the roles and types of controllers, including network controllers, access control systems, and automotive control units, and highlights the potential consequences of a controller breach, such as data manipulation, service disruptions, financial losses, and national security risks. The chapter covers essential mitigation techniques, emphasizing the importance of securing domain controllers and Active Directory. Multi-factor authentication (MFA) is discussed as a critical mitigation strategy, alongside securing DNS for domain controllers (Bright Security (2024) Dns tunneling: Techniques, tools, and prevention). Additionally, the chapter explores security metrics to help readers assess and enhance their security posture. Emerging threats, such as zero-day exploits (Kaspersky, n,d., Zero-day exploit, Retrieved from https://www.kaspersky.com/resource-center/definitions/zero-day-exploit ), ransomware attacks, and the role of AI/machine learning in both attack and defense, are examined. The chapter also addresses data privacy, compliance concerns, and the security of wireless controllers, while discussing potential future trends in controller security threats. By understanding these vulnerabilities and mitigation strategies, readers will be equipped to safeguard controllers and ensure the overall security of their ICS environments.