exida explains Blog

China Probes Factory as Death Toll Rises

China Probes Factory as Death Toll Rises

Walking into work last week and seeing this article reassured me why I work at exida.  Incidents, like this recent one at a pesticide plant in eastern China, are why we push every day to help educate people about the importance of functional safety.

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Back to Basics 01 - Functional Safety

Back to Basics 01 - Functional Safety

In the following series of blogs, we'll go back to basics and run down everything you need to know to get started in functional safety.  We'll start with some more general terms and descriptions and make our way to more advanced material.

1. Functional Safety

Functional safety means the…

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exida Failure Rates are Higher Than TÜV Italia. Who Is Right?
  • by Dr. William Goble, CFSE
  • Tuesday, March 05, 2019
  • Certification

exida Failure Rates are Higher Than TÜV Italia. Who Is Right?

An owner-operator engineer compared the failure rates for two similar products from an exida certificate with those from a TÜV Italia certificate.  exida numbers were an order of magnitude higher.  Who is right?  

There are some relevant fundamental facts in the field of Reliability Engineering:

  1. Failure rate prediction methods depend…

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Where Do You Stand with Functional Safety?
  • by Loren Stewart, CFSE
  • Thursday, February 21, 2019

Where Do You Stand with Functional Safety?

This year, make your New Year’s resolution safety! 

Take a moment this year and think about where you currently stand with functional safety. And actually, be honest with yourself. REALLY honest. Do you proof test on time, or does it sometimes get pushed out? Do you pull your devices…

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What can OT learn from IT data breaches?

What can OT learn from IT data breaches?

Does your organization even have a CISO position?

Cybersecurity continues to be an overlooked aspect in organizations—including those owning ICS (Industrial Control System) production facilities. Anyone following the news has most assuredly heard of the plethora of massive data breaches that organizations have endured over the last…

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Setting Goals for 2019: Are You Thinking About Functional Safety?

Setting Goals for 2019: Are You Thinking About Functional Safety?

When I went to set my goals for 2019, I set both personal and professional goals. One of my professional goals is to clean off my desk, but another is to get more people to think about functional safety before an accident occurs, instead of when they are normally…

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Who gives exida the authority to publish SILSafeData?
  • by Dr. William Goble, CFSE
  • Thursday, January 24, 2019
  • Certification

Who gives exida the authority to publish SILSafeData?

SILSafe Data

SILSafeData contains upper and lower bound ranges of dangerous undetected failure rates for many automation devices. It was created by exida using statistical analysis of FMEDA failure rate predictions. The component database used in the FMEDAx tool is based on…

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Cyberattacks Succeed Where Humans and Systems Are Weak

Cyberattacks Succeed Where Humans and Systems Are Weak

Have you noticed that over the last several years, cybersecurity seems to be “trending?” 

Companies of all sizes are starting to learn how to prevent, or at least minimize, these attacks. They hire third-party experts and attend trainings to learn more about the human and system weaknesses that are…

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Does Your ICS Service Provider Need Training?

Does Your ICS Service Provider Need Training?

Today’s owner operators and lease operators of industrial production facilities frequently employ service providers for projects and upgrades, as well as operations and maintenance. These contractors often travel to many sites, carry their own copies of source code and files, and use multiple PCs with multiple engineering tools for…

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Bridging the OT / IT Cybersecurity Gap

Bridging the OT / IT Cybersecurity Gap

Personnel responsible for protecting organizational assets within Operations Technology (OT) groups would seem to have the same mission as those responsible for protecting organizational assets within Information Technology (IT) groups, and be tightly aligned. Spending any amount of time with Industrial Control System (ICS) clients, however, shows that is…

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

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

The exposure of industrial facilities to cybersecurity threats has never been higher. An analysis performed by IBM security found that the number of attacks on SCADA systems increased 636% from 2012 to 2014, with 675,816 cybersecurity incidents in January 2014 [1]. Finding an effective method for evaluating the current…

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Who needs sliced bread?  We’ve got ARCHx!
  • by John Yozallinas, CFSE
  • Tuesday, December 04, 2018
  • Software

Who needs sliced bread?  We’ve got ARCHx!

I’ve heard this phrase so many times in my life… “<Something> is the best thing since sliced bread.” I personally can’t remember a time when sliced bread was not available, but I certainly remember going to the deli and having them use the slicing machine before handing me a bag…

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Comparing the IEC 62443 Software Engineering Process to IEC 61508: Where Do They Overlap?

Comparing the IEC 62443 Software Engineering Process to IEC 61508: Where Do They Overlap?

With the appearance of malware and nation state attacks on Industrial Control Systems (ICS), such as the Stuxnet (2010), Industroyer (2016) and TRITON (2017) attacks, the IEC 62433 standards are gaining wider attention.  

While the potential targets to attack in an ICS system are many-fold, one plant asset that…

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Functional Safety Certification Started with Logic Solvers
  • by Dr. William Goble, CFSE
  • Tuesday, November 27, 2018
  • Certification

Functional Safety Certification Started with Logic Solvers

IEC 61508 functional safety certification began in the 1990s. As I recall, the only organizations doing this work in those days were TÜV Rheinland and TÜV Product Services (now TÜV Sud). These two companies remain competitors. 

Functional safety certification started with logic solvers. Some engineers and regulators at the…

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Cyber Risk Assessments and Security Level Verification: Detailed Risk Assessments (Part 2 of 3)

Cyber Risk Assessments and Security Level Verification: Detailed Risk Assessments (Part 2 of 3)

The exposure of industrial facilities to cybersecurity threats has never been higher. An analysis performed by IBM security found that the number of attacks on SCADA systems increased 636% from 2012 to 2014, with 675,816 cybersecurity incidents in January 20141. Finding an effective method for evaluating the current level…

Read More...