information-safety · jabenninghoff · Jul 5, 2026 · Jul 5, 2026 · Jul 5, 2026
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -19,7 +19,7 @@ GEM
       public_suffix (>= 2.0.2, < 8.0)
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-    async (2.40.0)
+    async (2.41.0)
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@@ -143,7 +143,7 @@ GEM
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@@ -390,7 +390,7 @@ CHECKSUMS
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@@ -430,7 +430,7 @@ CHECKSUMS
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diff --git a/_posts/2019-09-15-chaos-resilience-engineering.md b/_posts/2019-09-15-chaos-resilience-engineering.md
@@ -41,7 +41,7 @@ I'm giving a talk next Tuesday (9/24) at at the [September OWASP MSP Meeting](ht
   1. Introduce variables that reflect real world events like servers that crash, hard drives that malfunction, network connections that are severed, etc.
   1. Try to disprove the hypothesis by looking for a difference in steady state between the control group and the experimental group.
 - [Resilience Engineering Book](https://www.crcpress.com/Resilience-Engineering-Concepts-and-Precepts/Woods-Hollnagel/p/book/9780754649045)
-- [Four Potentials of Resilience](https://erikhollnagel.com/ideas/resilience%20assessment%20grid.html)
+- [Four Potentials of Resilience](https://web.archive.org/web/20260317162249/https://erikhollnagel.com/ideas/resilience%20assessment%20grid.html)
 - [Etsy Blameless Post-Mortem](https://codeascraft.com/2016/11/17/debriefing-facilitation-guide/)
 
 ## How to get started and join the movement

diff --git a/_posts/2020-05-01-chaos-resilience-secure360.md b/_posts/2020-05-01-chaos-resilience-secure360.md
@@ -31,7 +31,7 @@ My story is told in three acts: My journey to find chaos engineering (ACT I), Ch
 - [Chaos Engineering: System Resiliency in Practice](http://shop.oreilly.com/product/0636920203957.do) (new book, 2020)
 - [Principles of Chaos Engineering](https://principlesofchaos.org)
 - [Resilience Engineering](https://www.crcpress.com/Resilience-Engineering-Concepts-and-Precepts/Woods-Hollnagel/p/book/9780754649045) Book
-- [The Four Potentials of Resilience](https://erikhollnagel.com/ideas/resilience%20assessment%20grid.html)
+- [The Four Potentials of Resilience](https://web.archive.org/web/20260317162249/https://erikhollnagel.com/ideas/resilience%20assessment%20grid.html)
 - [Etsy Blameless Post-Mortem](https://codeascraft.com/2016/11/17/debriefing-facilitation-guide/)
 
 ## ACT III: What I’ve learned so far

diff --git a/resources.md b/resources.md
@@ -14,9 +14,9 @@ Recommended reading and other resources for safety risk management.
 
 ## Short essays
 
-* [Resilience Engineering](https://erikhollnagel.com/ideas/resilience-engineering.html) - Erik Hollnagel's account of the origins of Resilience Engineering
-* [Resilience Assessment Grid](https://erikhollnagel.com/ideas/resilience%20assessment%20grid.html) - recommended for the succinct description of the four potentials of resilient performance in the beginning of the essay: Respond, Monitor, Learn, Anticipate
-* [The NO view of 'human error'](https://erikhollnagel.com/ideas/no-view-of-human-error.html) - argues that we should stop using 'human error' as an explanation for accidents/failures as it is not helpful
+* [Resilience Engineering](https://web.archive.org/web/20260515100808/https://erikhollnagel.com/ideas/resilience-engineering.html) - Erik Hollnagel's account of the origins of Resilience Engineering
+* [Resilience Assessment Grid](https://web.archive.org/web/20260317162249/https://erikhollnagel.com/ideas/resilience%20assessment%20grid.html) - recommended for the succinct description of the four potentials of resilient performance in the beginning of the essay: Respond, Monitor, Learn, Anticipate
+* [The NO view of 'human error'](https://web.archive.org/web/20250118071633/https://erikhollnagel.com/ideas/no-view-of-human-error.html) - argues that we should stop using 'human error' as an explanation for accidents/failures as it is not helpful
 * [From the coalface: an essay on the early history of sociotechnical systems](https://eight2late.wordpress.com/2015/04/07/from-the-coalface-an-essay-on-the-early-history-of-sociotechnical-systems/) - a blog post on how the idea of sociotechnical systems came from the study of coal mining in Britain and the insight that the "*best work arrangements come out of seeking a match between technical and social elements of the modern day workplace*"
 
 ## Books
@@ -35,7 +35,7 @@ Recommended reading and other resources for safety risk management.
 * Hollnagel, E., Wears, R. L., & Braithwaite, J. (2015). From Safety-I to Safety-II: a white paper, [PDF](https://www.england.nhs.uk/signuptosafety/wp-content/uploads/sites/16/2015/10/safety-1-safety-2-whte-papr.pdf) - an evolution of Hollnagel's concept of Resilience Engineering, making the case that safety should focus not just on accidents (when things go unexpectedly poorly), but the full range of outcomes
 * Hollnagel, E. (2014). [Is safety a subject for science?](https://doi.org/10.1016/j.ssci.2013.07.025), [PDF](https://www.academia.edu/22733547/Is_safety_a_subject_for_science) - an earlier paper by Hollnagel that introduces Safety-II by arguing that we can’t have a science based on the non-occurrence of events (accidents)
 * Dekker, S. W. A. (2017). [Rasmussen's legacy and the long arm of rational choice](https://www.sciencedirect.com/science/article/abs/pii/S0003687016300254?via%3Dihub), [PDF](https://sidneydekker.com/wp-content/uploads/2024/12/RasmussenLongArm.pdf) - the paper explores the moral aspects behind our tendency to blame people for causing accidents, and how blame can be harmful
-* Repenning, N. P., & Sterman, J. D. (2001). [Nobody Ever Gets Credit for Fixing Problems that Never Happened: CREATING AND SUSTAINING PROCESS IMPROVEMENT](https://doi.org/10.2307/41166101), [PDF](http://scripts.mit.edu/~jsterman/docs/Repenning-2001-NobodyEverGetsCredit.pdf) - an analysis of a challenge that faces many risk programs: why process improvement programs fail and succeed
+* Repenning, N. P., & Sterman, J. D. (2001). [Nobody Ever Gets Credit for Fixing Problems that Never Happened: CREATING AND SUSTAINING PROCESS IMPROVEMENT](https://doi.org/10.2307/41166101), [PDF](https://web.mit.edu/nelsonr/www/Repenning%3DSterman_CMR_su01_.pdf) - an analysis of a challenge that faces many risk programs: why process improvement programs fail and succeed
 * Rae, A., Provan, D., Aboelssaad, H., & Alexander, R. (2020). [A manifesto for Reality-based Safety Science](https://doi.org/10.1016/j.ssci.2020.104654), [PDF](https://www.researchgate.net/profile/Andrew_Rae/publication/339289702_A_manifesto_for_Reality-based_Safety_Science/links/5e755d6d4585157b9a4da1dc/A-manifesto-for-Reality-based-Safety-Science.pdf) - a call for development of theories that can be empirically tested and are useful to practitioners, including a list of commitments for future research
 * Provan, D. J., Woods, D. D., Dekker, S. W. A., & Rae, A. J. (2020). [Safety II professionals: How resilience engineering can transform safety practice](https://doi.org/10.1016/j.ress.2019.106740), [PDF](https://research-repository.griffith.edu.au/bitstream/handle/10072/389308/Provan268657-Published.pdf?sequence=5) - a proposal for changing safety programs to adopt principles of Safety-II (also applicable to information risk management)