{"type": "article", "title": "I Built a PII Firewall for LLMs in a Weekend (and Caught My Own Leak)", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/i-built-a-pii-firewall-for-llms-in-a-weekend-and-caught-my-own-leak", "original_source": "https://dev.to/sochaty/i-built-a-pii-firewall-for-llms-in-a-weekend-and-caught-my-own-leak-1mh0", "published": "2026-06-19T02:03:37+00:00", "accessed": "2026-06-19", "id": "i-built-a-pii-firewall-for-llms-in-a-weekend-and-caught-my-own-leak"}