e.g.
outage, 2017
https://www.theguardian.com/business/2017/may/31/ba-it-shutd...
https://www.cloudpro.co.uk/it-infrastructure/7800/british-ai...
outage, 2019
https://www.itpro.co.uk/disaster-recovery-dr/34162/british-a...
Supply chain hack, 2018:
https://www.bbc.co.uk/news/technology-45446529