
http://www.rand.org/content/dam/rand/pubs/research_reports/RR1700/RR1786z1/RAND_RR1786z1.pdf

https://www.mckinsey.com/business-functions/risk/our-insights/cybersecurity-emerging-challenges-and-solutions-for-the-boards-of-financial-services-companies

https://www.kyivpost.com/article/opinion/op-ed/steven-pifer-ukraine-and-nato-dont-ask-do.html