In general, relying only on natural keys is a nightmare. Double nightmare if it's PII. Natural keys only work if you are flawlessly omniscient about the domain. And you aren't.
Recent articles
- My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025
- The surprise deprecation of GPT-4o for ChatGPT consumers - 8th August 2025
- GPT-5: Key characteristics, pricing and model card - 7th August 2025