[OTSec] Importance and basic concepts of OT security

The importance of operational technology (OT) security cannot be overlooked in the modern industrialized world. OT is a technology that is vital to the operation of essential infrastructure, such as manufacturing, utilities, and transportation systems, and includes the hardware and software that controls and manages the actual physical processes. Compromising the security of this technology can cause significant physical and economic damage, and can directly impact national security.

The Stuxnet virus in 2010 and the Ukrainian power grid hack in 2015 are prime examples that highlight the importance of OT security. Stuxnet attacked specific industrial control systems and severely disrupted Iran's nuclear program. It was the first time the world realized how cyberattacks could affect the physical world. The attack on the Ukrainian power grid also demonstrated how vulnerabilities in OT security can threaten the stability of a country by leaving tens of thousands of people without electricity.

These incidents show that OT security is more than just an information technology issue. While OT systems have traditionally been isolated, they are increasingly integrated with IT systems. While this integration increases operational efficiency and data accessibility, it also creates new security risks. For example, the introduction of cloud technology and the Internet of Things (IoT) has made OT systems more networked and interconnected, making them more vulnerable to external attacks.

As a result, OT security strategies need to go beyond technical defenses and take a broader approach at the enterprise and national level. It should include policy formulation, risk management, employee training and awareness, and incident response planning. In addition, as cybersecurity evolves, OT security professionals must continually enhance their technical skills and develop the ability to respond to the latest threats.

In conclusion, OT security is not just a technical issue, but a critical one that directly affects national security, economic stability, and social welfare. Its effective management and protection has become an integral part of modern industrialized societies.

 

Basic concepts of OT security

Gartner's definition

Gartner defines OT as "technologies that change or manage physical processes through hardware and software". According to this definition, OT is the technology that controls the mechanical and electronic elements of the physical world and is distinct from traditional information technology (IT).

The ISA describes OT security as the security of industrial automation and control systems (IACS). They view OT as "the technology that automates and controls industrial processes" and define security as ensuring that these systems can operate safely against external threats.

 

Korean Version : https://blog.naver.com/capslave/223310958881

[OT보안] OT보안의 중요성과 기본개념