Although not a cyberattack it reminds me of the massive supply disruption and culling that occurred in the UK because of the mad cow disease.

There is still no clue as to why these disruptions happened but the educated guess mentioned in the article is ransomware. The one that is almost always forgotten is how they they escalated privileges through compromised passwords because most of these organizations don’t use multi factor authentication everywhere.

https://en.wikipedia.org/wiki/Bovine_spongiform_encephalopat...