How to Tell if a PII Redaction Model Is Any Good
A model count says nothing about quality. What proves a PII redaction model works: held-out evaluation, precision and recall, and an auditable model card.
How We Built PhEye's PII Name Models
Four open GLiNER name detectors for PhEye, from a 90 MB xsmall to a high-capacity large: why we built name-only models, how we trained them, and how they fit.
How We Use Philter Scope to Evaluate Our PII Models
How we use Philter Scope, our open source auditing tool, to evaluate our own PII models, shown on the ph-eye-pii-en name models.
Multilingual Medical PII Redaction: English and French with Philter
How to redact PII and PHI from English and French clinical text with Philter using one engine and a policy per language, with runnable examples.
Cutting False Positives on National IDs with Checksum Validation
Phileas can now validate national and financial IDs by checksum, so a custom identifier rejects format-valid look-alikes and redacts fewer false positives.
What is PII? A Practical Guide for Engineers and Compliance Teams
PII is the term everyone uses and few define the same way. A practitioner's guide to what counts as PII, how to find it in real data, and how to handle it.
PII vs PHI vs NPPI: An Engineer's Guide
Three acronyms used interchangeably that shouldn't be. A reference for engineers and compliance leads, with the regulatory and architectural take on each.
State Court Filings Baseline Redaction
FRCP 5.2 Federal Civil Filing Redaction
Bankruptcy Rule 9037 (FRBP 9037) Court Filing Redaction