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Category Archives: General

It’s About Time … Tamper-Proofing Aircraft Systems

– It took a while after the disappearance of flight MH370 and a series of harebrained conspiracy theories … a month in fact … before the necessity to tamper-proof avionics became a topic for discussion. For example, Andy Pasztor and Jon Ostrower wrote a piece in The Wall Street Journal…

Software Assurance (SwA) and the Department of Defense (DoD)

– On December 16, 2013 the Office of the Assistant Secretary of Defense for Research and Engineering (ASD(R&E)) issued a Request for Information (RFI) with the title “Software Assurance,” which can be found via on the FedBizOpps website at:…

Cybersecurity from the Safety Engineer’s Perspective

– The February 2014 issue of CACM (Communications of the Association of Computing Machinery) has a thought-provoking “Inside Risks” column by William Young and Nancy G. Leveson with the title “An Integrated Approach to Safety and Security Based on Systems Theory – Applying a more powerful…

Long-Term Impact of Catastrophic Events

– “Out of sight, out of mind.” So it is with many aspects of life. We forget sometimes that recovery from major catastrophes can take a very long time. It shouldn’t be surprising, therefore, to learn that the aftermath of the March 11, 2011 tsunami that hit northern Japan continues to affect…