The Enigma Vault blog

Practical guides to data privacy and grounded AI.

Research, technical deep dives, product updates, and enterprise guidance on AI security, privacy, and trusted data.

All articles

9 articles
Card VaultOct 25, 202624 min read

Best Card Tokenization Software for Cruise Bookings in 2026: Top 7 Ranked

The top 7 card tokenization platforms for cruise reservation teams and cruise-specialist agencies, ranked from deposit to onboard folio.

Card VaultOct 25, 202627 min read

8 Best Card Tokenization Software for Travel Agencies (2026 Guide)

Eight card tokenization platforms compared for leisure, corporate, and host-agency travel advisors on capture, supplier payment, card display, ratings, and pricing.

Card VaultOct 25, 202622 min read

Best Card Tokenization Software for Hotel Bookings in 2026: Top 6 Picks

Six card tokenization platforms for hotels, grouped by booking channel, with pricing and PMS fit.

Data VaultOct 24, 202617 min read

How and Why to Migrate From Vaultless Tokenization to a Vault

A step-by-step guide to migrating from vaultless tokenization to a vault: decrypt legacy tokens safely, re-tokenize at scale and cut over with no downtime.

Card VaultOct 24, 202620 min read

How to Securely Store Credit Card Information: A Business Guide

Learn how to securely store credit card information: what PCI DSS lets you keep, where cards should never go and how a card vault lets staff use cards safely.

Data VaultOct 24, 202617 min read

Patient Data Tokenization in Healthcare: How It Protects PHI

Learn how patient data tokenization protects PHI across intake, records, claims, research and AI, and where it fits HIPAA de-identification rules.

NoPIIOct 24, 202615 min read

PII Protection for LLMs in Healthcare: Keeping PHI Out of Prompts

Learn how PII protection for LLMs in healthcare keeps PHI out of prompts for ambient documentation, coding and prior authorization, and why a BAA alone isn't enough.

NoPIIOct 24, 202616 min read

PII Protection for LLMs: Securing Data in OpenAI and Anthropic APIs

Learn how to protect PII in OpenAI APIs, Anthropic APIs and other LLM platforms by tokenizing sensitive data before it ever reaches the model.

NoPIIOct 24, 202619 min read

What Is an LLM Privacy Proxy? How It Protects PII in Every Model Call

An LLM privacy proxy tokenizes PII before prompts reach OpenAI, Anthropic or other providers. Learn how it works, where it fits and how to choose one.

No articles match that filter.