1. The PyPI packet manager. https://pypi.org/. Accessed 09 May 2022
2. Regexlib database. https://regexlib.com/. Accessed 09 May 2022
3. Stack overflow outage postmortem (2016). https://stackstatus.net/post/147710624694/outage-postmortem-july-20-2016. Accessed 09 May 2022
4. Cloudflare’s outage postmortem (2019). https://blog.cloudflare.com/details-of-the-cloudflare-outage-on-july-2-2019/. Accessed 09 May 2022
5. National vulnerability database: CVE-2020-3899 (2020). https://nvd.nist.gov/vuln/detail/CVE-2020-3899. Accessed 09 May 2022