- National Cyber Security Centre. “CNI Hub.” https://www.ncsc.gov.uk/section/private-sector-cni/cni.
- Cybersecurity & Infrastructure Security Agency. “Critical Infrastructure Sectors.” https://www.cisa.gov/critical-infrastructure-sectors.
- “The State of Ransomware in the US: Report and Statistics 2019.” https://blog.emsisoft.com/en/34822/the-state-of-ransomware-in-the-us-report-and-statistics-2019/.
- “How an Entire Nation Became Russia’s Test Lab for Cyberwar.” www.wired.com/story/russian-hackers-attack-ukraine.
- com. “Winnebago County IT experts talk cyber security amid RPS breach.” https://www.mystateline.com/news/local-news/winnebago-county-it-experts-talk-cyber-security-amid-rps-breach/.
- Financial Times. “India confirms cyber attack on nuclear power plant.” https://www.ft.com/content/e43a5084-fbbb-11e9-a354-36acbbb0d9b6.
- “U.S. Government Issues Powerful Cyberattack Warning As Gas Pipeline Forced Into Two Day Shut Down.” https://www.forbes.com/sites/kateoflahertyuk/2020/02/19/us-government-issues-powerful-cyberattack-warning-as-gas-pipeline-forced-into-two-day-shut-down.
- House of Commons Committees. “A major cyber attack on the UK is a matter of ‘when, not if’.” https://houseofcommons.shorthandstories.com/jcnss-cni-report/index.html.
- Infosecurity Group. “A Quarter of UK CNI Firms Have Suffered Cyber-Attack Outages.” https://www.infosecurity-magazine.com/news/a-quarter-of-uk-cni-firms/.
- uk. “Cyber Security of the UK’s Critical National Infrastructure.” https://publications.parliament.uk/pa/jt201719/jtselect/jtnatsec/1708/170803.htm.
- uk. “Cyber Security of the UK’s Critical National Infrastructure.” https://publications.parliament.uk/pa/jt201719/jtselect/jtnatsec/1708/170803.htm.
- uk. “Protecting CNI against cyber attack: a ‘wicked’ problem.” https://publications.parliament.uk/pa/jt201719/jtselect/jtnatsec/1708/170805.htm.
- The White House. “What We Urge You To Do To Protect Against The Threat of Ransomware.” https://www.whitehouse.gov/wp-content/uploads/2021/06/Memo-What-We-Urge-You-To-Do-To-Protect-Against-The-Threat-of-Ransomware.pdf.
- The White House. “Press Briefing by Press Secretary Jen Psaki, June 3, 2021.” https://www.whitehouse.gov/briefing-room/press-briefings/2021/06/03/press-briefing-by-press-secretary-jen-psaki-june-3-2021/.