Sources:
- https://education.nationalgeographic.org/resource/worlds-first-computer-bug/
- https://ui.adsabs.harvard.edu/abs/2020arXiv200715759L/abstract
- https://www.cybersecurityeducationguides.org/john-mcafee-godfather-of-antivirus-software/
- https://online.utulsa.edu/blog/famous-ransomware-attacks-in-history/
- https://www.verizon.com/business/resources/articles/s/the-history-of-phishing/
- https://usa.kaspersky.com/resource-center/threats/a-brief-history-of-computer-viruses-and-what-the-future-holds
- https://www.fbi.gov/news/stories/a-byte-out-of-history-10-million-hack
- https://www.britannica.com/technology/firewall
