[Ingo Rolle is the Secretary of the German National Committee responsible for matters concerning IEC 61508 as well as the German National Committee responsible for matters concerning IEC 62443. This is an invited essay. PBL] IEC 61508:2010 is the international… Read moreSILs, the Safety-Related System Lifecycle and Security Level (Ingo Rolle)
There is a considerable challenge in raising the awareness of engineering-plant personnel about the criticality of the computer systems they might be using. We addressed some electricity blackouts at the Safety-Critical Systems Symposium 2016. In the 2003 North American blackout,… Read morePower Plants and Cyberawareness
There are a few different notions of risk used in dependability engineering. One notion, used in finance and in engineering safety, is from De Moivre (1712, De Mensura Sortis in the Proceedings of the Royal Society) and is (A) the… Read moreRisk
We do know that they don’t mix well. In an article in the Guardian about the floods in York, I read about the flood barrier on the River Foss that Problems arose at the weekend at the Foss barrier and… Read moreWater and Electricity
Alister Macintyre noted in the Risks Forum 28.83 that the US National Transportation Safety Board (NTSB) released results of their investigation into the October 31, 2014 crash of SpaceShipTwo near Mojave, California. The NTSB has released a preliminary summary, findings… Read moreThe Accident to SpaceShip Two
……. but not the one you thought! Jim Reisert reported in Risks 28.66 ( Volvo horrible self-parking car accident) on a story in fusion.net on 2015-05-26 about a video of an accident with a Volvo car, apparently performing a demo… Read moreVolvo Has An Accident
The US Government Accounting Office has published a report into the US Federal Aviation Administration’s possible vulnerabilities to cyberattack. One of my respected colleagues, John Knight, was interviewed for it. (While I’m at it, let me recommend highly John’s inexpensive… Read moreCybersecurity Vulnerabilities in Commercial Aviation
Work continues on the investigation into the crash of Germanwings Flight 9525. I note happily that news media are reverting to what I regard as more appropriate phraseology. Our local newspaper had on Friday 27th March two-word major headline “Deadly… Read moreGermanwings 9525 and a potential conflict of rights
It is astonishing, maybe unique, about the Germanwings Flight 4U 9525 event how quickly it seems to have been explanatorily resolved. Egyptair Flight 990 (1999) took the “usual time” with the NTSB until it was resolved, and at the end… Read moreThoughts After 4U 9525 / GWI18G
OK, the discussion on these basic concepts continues (see the threads “Paper on Software Reliability and the Urn Model”, “Practical Statistical Evaluation of Critical Software”, and “Fault, Failure and Reliability Again (short)” in the System Safety List archive. This is… Read moreFault, Failure, Reliability Definitions
