Why IT Security Strategies Don't Translate to OT

In the era of interconnectedness, cybersecurity has never been more critical. Businesses across the globe are increasingly aware of the need to protect their digital assets. However, it's important to note that not all digital assets are created equal, and that's especially true when we compare Information Technology (IT) and Operational Technology (OT).

Different Aims, Different Games

The primary objective of IT is to protect data, ensuring its confidentiality, integrity, and availability. IT security teams are skilled in safeguarding data from potential threats such as data breaches, malware attacks, and phishing scams.

On the other hand, OT primarily controls physical processes and devices in sectors like manufacturing, energy, and transportation. The main concern for OT is the continuous, safe, and efficient operation of systems. When we talk about OT security, we're discussing the protection of industrial control systems (ICS) and other systems linked to the physical world.

Specialized Risks Demand Specialized Skills

The risks and threats to OT are not the same as those to IT. Cyber threats to OT often exploit unique vulnerabilities in industrial control systems, which could lead to disastrous physical consequences like equipment failure or even threats to human safety. IT professionals, while expert in their domain, may not fully understand these OT-specific threats.

Legacy Challenges and Network Segregation

Many OT systems include legacy equipment and protocols designed before cybersecurity was a major concern. These systems may lack the security measures standard in modern IT systems, such as strong authentication or encryption. Also, best practices often recommend segregating OT and IT networks to prevent threats from moving between them. This means that IT security measures may not reach or be applicable to OT systems.

Different Expertise for Different Environments

To protect OT environments, you need a specific set of knowledge and skills. Understanding industrial control systems, their functionality, their protocols, and the processes they control is crucial. These are not typically areas of expertise for IT professionals.

In conclusion, expecting your IT team to cover your OT security needs is a risky bet. Both areas are important and need dedicated focus and tailored strategies. If you haven't already, it's time to reconsider how your organization approaches OT security, investing in the right resources and personnel to protect these critical systems.

Remember, in the realm of cybersecurity, a one-size-fits-all approach doesn't work.