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Podcast: The Industrial Talk Podcast Network (LS 39 · TOP 2% what is this?)
Episode: Cesar Tascon with EY
Pub date: 2026-10-16

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Industrial Talk/BCC is talking to Cesar Tascon, Cybersecurity Partner with EY about "OT / ICS - cyber physical and critical infrastructure security".

Overview

The discussion focused on adapting cybersecurity to connected operational technology while protecting safe, continuous operations.

OT Risk and Approach

  • OT security prioritizes availability and safety; outages can disrupt essential services or cause physical harm.
  • Security must fit each organization’s assets, structure, and risk tolerance. Prioritize critical scenarios, contain incidents, and scale controls to asset criticality.
  • Treat cybersecurity as an ongoing business process, with asset inventories, consistent practices, and rapid detection and response.

People and Emerging Risks

  • Introduce changes incrementally with operators, integrating security into existing workflows rather than imposing disruptive processes.
  • OT security ownership depends on the organization; IT and OT responsibilities should align with its operating model.
  • Regulations can overlap and differ in terminology. AI may strengthen attacks but also help analysts review alerts and respond faster.
  • How should each organization assign OT security responsibilities? The transcript identifies no universal model.

Outline

OT Cybersecurity Context

  • Connected devices and remote operations create significant business benefits, but expand cyber exposure.
  • OT security differs from IT: availability and safety are central concerns, alongside confidentiality.

Risk Assessment and Controls

  • Assess assets, organizational structure, operational constraints, threats, and potential impacts before choosing controls.
  • Prioritize critical facilities and prevent incidents from spreading across sites.
  • Maintain asset and software information, responsibilities, backups, and restoration processes; use standards such as NIST and IEC 62443 as applicable.

Operating Model and Change

  • Assign security responsibilities according to the organization’s structure; there is no one-size-fits-all IT/OT ownership model.
  • Involve operators and add security requirements to existing workflows to reduce resistance and preserve operations.

Regulation and Shared Threats

  • EU regulation promotes protection but may create complexity through overlapping requirements and inconsistent terminology.
  • Coordinate across vendors, peers, sectors, and governments to address supply-chain and shared infrastructure risks.

AI in Cybersecurity

  • AI can make attacks and social engineering more convincing and scalable.
  • Defensive uses include helping analysts process alerts and freeing time for incident response.

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CESAR TASCON'S CONTACT INFORMATION:

Personal LinkedIn: https://www.linkedin.com/in/c%C3%A9sar-tasc%C3%B3n-1198973/ Company LinkedIn: https://www.linkedin.com/company/ernstandyoung/ Company Website: https://www.ey.com/en_gl

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