exida explains Blog

Preventing Cyberattacks by Following Practical Guidance in IEC 62443

Preventing Cyberattacks by Following Practical Guidance in IEC 62443

Isn’t it frustrating when you experience an event that disrupts operations and then discover it could have been prevented? Very often a detailed analysis will reveal that a combination of (preventable) mistakes and unknown factors caused the incident. Training can help the mistakes, but dealing with the unknowns is a little…

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IACS Cybersecurity IEC 62443: Agile Lifecycle and Documentation

IACS Cybersecurity IEC 62443: Agile Lifecycle and Documentation

Industrial Automation Control Systems (IACS) Cybersecurity based on IEC 62443 was created to be compatible with agile development methodology. The standard deliberately talks about processes and not phases, such as those in the waterfall model. The processes defined can be met simultaneously and are, most likely, already being followed…

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Managing Unconfirmed Cybersecurity Vulnerabilities like Supermicro

Managing Unconfirmed Cybersecurity Vulnerabilities like Supermicro

Unconfirmed vulnerabilities are not usually a big issue, but when one occurs like Supermicro, plant management will ask a simple question: “Do we have an issue or not?” 

Having been on the receiving end of this blunt exchange, I realize it can be painful and embarrassing to communicate,…

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Cyber Risk Assessments and Security Level Verification: High-Level Risk Assessments (Part 1 of 3)

Cyber Risk Assessments and Security Level Verification: High-Level Risk Assessments (Part 1 of 3)

As the number, scale, and connectivity of industrial automation systems continues to grow, it becomes increasingly crucial to fundamentally understand, evaluate, and manage cybersecurity risks. The objective of an effective cybersecurity management program should be to maintain the industrial automation system consistent with corporate risk criteria. 

Ownership for industrial…

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How Much Cybersecurity Do I Need?

How Much Cybersecurity Do I Need?

During an IACS cybersecurity risk analysis, each zone of a network is given a target security level. The levels are one to four, with one being the least amount of protection and four giving the most protection. For each zone we ask, “How much cybersecurity protection do we…

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Managing Risk: How Cybersecurity Differs for Facility Managers

Managing Risk: How Cybersecurity Differs for Facility Managers

Operations and facility managers have a level of responsibility that requires a great deal of judgment, technical understanding, and the ability to make the right call when managing risk. 

Safe, secure, and profitable plant operations are the cornerstones of how a plant manager is judged. The plant manager relies…

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An Integrator’s Guide to Managing the Cybersecurity Risks of Remote Access

An Integrator’s Guide to Managing the Cybersecurity Risks of Remote Access

Last week I attended the ISA Water/Wastewater and Automatic Controls Symposium in Bethesda, Maryland. The conference was attended by equipment manufacturers and municipalities, but system integrators composed the largest group. The technical sessions mainly discussed new opportunities for implementing the industrial internet of things (IoT) and cybersecurity…

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IEC 62443 : The Road to More Secure Products

IEC 62443 : The Road to More Secure Products

As the incidence of cybersecurity threats in automation systems continue to rise, the automation world continues to grapple with how to address these issues.  There are many good practices published in the IEC 62443 series of standards available to end users such as creating demilitarized zones between the business…

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IEC 62443: Levels, Levels and More Levels

IEC 62443: Levels, Levels and More Levels

By now we’ve all become familiar with safety integrity levels (SIL), as they have become part of our everyday lives. However, with the recent release of several cybersecurity standards in the IEC 62443 series, things are getting more complicated. This series of standards introduces two more levels…

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How Does the IEC 62443 Cybersecurity Standard Apply to Integrators?

How Does the IEC 62443 Cybersecurity Standard Apply to Integrators?

The IEC 62443 series of cybersecurity standards include over ten documents covering various subjects. Buying a full set is a bit expensive, but for me the real cost is the time needed to read and understand them. So I often ask one of the experts at exida…

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Contractor Cybersecurity Training - Why Do You Need It?

Contractor Cybersecurity Training - Why Do You Need It?

Today, we are going to talk a little bit about Contractor Cyber Training.  What's in a good contractor cyber training course?  Why do you need one?  Why aren't policies, practices, and contract language enough?

Today's operators of industrial production facilities frequently utilize contract…

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exida Cyber Blog Series 04 - Cybersecurity Metrics, Diagnostics, and Alarms: What’s What?

exida Cyber Blog Series 04 - Cybersecurity Metrics, Diagnostics, and Alarms: What’s What?

Co-written by Todd Stauffer, Director of Alarm Management Services at exida

A wise man once said, “You can’t manage what you don’t measure.” Let's apply this to the world of cybersecurity to discuss the importance of cybersecurity metrics and how they are different from a cyber diagnostic and a…

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exida Cyber Blog Series 03 - Process Safety and Cybersecurity, Related or Still Distant Cousins?

exida Cyber Blog Series 03 - Process Safety and Cybersecurity, Related or Still Distant Cousins?

To be clear, the above title is meant to capture your attention. We all understand and know that it is unusual for a Process Safety engineer and the IT architect to possess detailed knowledge of both safety and security. In today’s world, the operators, engineers, design and support personnel of…

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exida Cyber Blog Series: 02 - Does your position qualify as a Cyber Sensitive position?

exida Cyber Blog Series: 02 - Does your position qualify as a Cyber Sensitive position?

That’s a great question.

What is a Cyber sensitive position?

A cyber sensitive position is a subset of a job position description that can be graded as Ultra, High, Medium or Low sensitivity with respect to cybersecurity assets and associated potential consequences that may impact an operating company.

What…

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exida Cyber Blog Series: 01 - What is Cyber Hygiene?

exida Cyber Blog Series: 01 - What is Cyber Hygiene?

exida would like to welcome our new director of cybersecurity services Dave Gunter.  Dave will be taking us through a multi part blog series based on general cybersecurity evolving into how it pertains to your industrial work environment and what you should do to protect your company…

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