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"The OT Zero Trust Handbook: Implementing the 4 Cornerstones of OT Security"

The OT Zero Trust Handbook provides an actionable overview for protecting ICS environments and developing an effective OT cybersecurity strategy.

OT zero trust is an approach to protecting devices, data, and smart machines under the premise that all operational assets and asset activities should be treated as untrustworthy. Traditional cybersecurity, originating in IT, is designed to secure networks based on the needs of user activity. The standard IT “CIA” model prioritizes confidentiality first, integrity second, and availability third.

In contrast, OT network security must be based on asset activity and an “AIC” model where availability is #1, integrity is #2, and confidentiality is #3. By never making assumptions about credibility and continually evaluating trust on the network, architecture based on OT zero trust restricts communication on a “need-to-know” basis.

The OT Zero Trust Handbook provides an actionable overview for protecting ICS environments and developing an effective OT cybersecurity strategy.

• Learn how to deploy OT zero trust in your operational environment by inspecting and locking down assets while segmenting and reinforcing network defenses.
• Learn the 3-phase approach to deploying OT zero trust
• Understand threat events that can affect an OT environment and how to prevent them.

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