Auth & Client-Side Security
medium Severity
Free Check

PII Exposure in Source Code

Scans HTML and script files for exposed Personally Identifiable Information (hardcoded emails, phone numbers, SSNs).

Test Your Website for PII Exposure in Source Code

Run this check along with 90+ automated tests across your domain.

Why It Matters

Exposing developer or customer PII violates privacy laws and provides attackers with reconnaissance data for social engineering.

How We Check This

We run regex detectors for credit card numbers, Social Security Numbers, and phone numbers in rendered HTML.

How to Fix & Implement

Copy-paste configuration blocks tailored for your web server or edge proxy.

nginx snippet
Scrub internal email addresses and test data from production HTML builds

Frequently Asked Questions

Why is PII in HTML comments dangerous?

Developers often leave comments containing customer IDs or personal phone numbers that scrapers easily extract.