I was recently approached with a question regarding why it would be necessary to certify mechanical devices, such as valves, per IEC 61508 when it is not clearly stated in the standard that the standard is applicable to such devices. After looking through IEC 61511 and IEC 61508 regarding the…
John Cusimano and Monica Hochleitner of exida, and Eric Byres of Tofino Security authored an article titled “SETE PASSOS PARA A SEGURANÇADA INFORMAÇÃO EM ICS” featured in Edition 142 of InTech South America Magazine . Click here to view the full article
API 580 in the Safety Automation Equipment List
exida, a global supplier of functional safety products, services and certifications has released SILStat, software that helps evaluate risk reduction by collecting and analyzing operation and maintenance data. The tool captures key operational and maintenance data, including equipment failures, process demands, success or failure of protection layers and proof test…
Location: Anywhere in USA (preferably Mid-Atlantic or Gulf Coast) Description: Exida is seeking a highly-skilled, experienced individual to join our control system security services business. The primary duties of the candidate are: Facilitate control system security risk assessments Organize, lead and facilitate detailed system security vulnerability assessments Assist in the…
Everyone wants data, and generally everyone agrees high quality proven in use data is the best. Properly designed experimental testing is one means to simulate actual operation. That is what we all learned as far back as high school during our chemistry and physics labs. These tests can be set…
About 5 years ago I was sitting around a big table in a conference room at a major LNG terminal. Outside the window I could see a big city harbor filled with boats, bridges, sky scrapers and approximately 5 million people. I could also see two huge LNG storage tanks…
IEC 61508 in the Safety Automation Equipment List
IEC 61508 in the Safety Automation Equipment List
IEC 61508 in the Safety Automation Equipment List
The Department of Homeland Security (DHS) is tasked with many things. One area of focus is Industrial Control Systems (ICS) . The Industrial Control Systems Joint Working Group (ICSJWG) was formed to facilitate this focus. This group holds semi-annual conferences (Spring and Fall) in various US cities. These meetings are…
Assumed 10 Demands Per Year During a SIF verification calculation review this week, the engineer pulled out a safety certificate with very low failure rates for a solenoid valve. Certificate No. V139 2009 C4-4 [1] states that a solenoid valve has a dangerous failure rate of 4.57 E-10 failures per…
Cybersecurity continues to be a big problem for the world at large and for control systems specifically. The amount of time and effort that it can take to simply keep all of the security patches up to date on a large control system can be mind boggling. No matter how…
IEC 61508 in the Safety Automation Equipment List
John Cusimano, exida’s Director of Security Services, will be presenting at the 2012 Siemens Automation Summit , which will be held June 25-28, 2012 in Washington, DC. Title: “Assessing the Security of ICS Systems Using Threat Modeling” Presenter: John Cusimano, exida Director of Security Services Description: Threat Modeling is a…
exida, an accredited global certification company, has certified the Systems Engineering Consultants’ RTMSafety for functional safety compliance. The certification ensures that the world’s first middleware for robot automation meets the functional safety requirements for Safety Integrity Level (SIL) 3 Systematic Capability per IEC 61508. “The software development process requirements in…
Site Specific vs. Product Specific During a field failure analysis study, it was discovered that the calculated failure rate of a specific device varied by more than 4X depending on installation site. Particularly, it was one specific site with a high failure rate . While any reliability engineer would say…
IEC 61508 in the Safety Automation Equipment List
IEC 61508 in the Safety Automation Equipment List
IEC 61508 in the Safety Automation Equipment List
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