Field Notes — the Docurensic blog

Field Notes

Showing posts tagged “forensics”.

AllIdentityPassportKycVerificationGuidesWeb SafetyTlsPhishingFraudPdfForensicsInvoicesAccounts PayableImages
How-to guide Jul 12, 20265 min

How to Tell if a PDF Has Been Edited: 6 Checks That Actually Work

Six practical checks — from metadata dates to hidden revision history — that reveal whether a PDF was modified after it was created, and what each one can and can't prove.

Read the post →
ArticleJul 11, 20262 min

The 30-Second Document Check Anyone Can Do

Most documents don't need a forensic exam — but almost all deserve 30 seconds of honest attention. The three-part habit that stops you from ever saying 'it looked fine.'

ArticleJul 08, 20262 min

Faked Screenshots: The Cheapest Forgery in the Book

Screenshots became the default 'proof' people submit — and they're the easiest forgery there is. Why a picture of a screen should count for so little, and how fakes give themselves away.

How-to guideJul 06, 20264 min

PDF Metadata: What It Reveals and How to Read It

Every PDF carries two hidden records about where it came from. Here's how to read the Info dictionary and the XMP packet, what each field means, and the disagreement that exposes tampering.

ArticleJul 02, 20264 min

What Is Document Forensics? A Plain-English Guide

Document forensics is the discipline of reading the evidence documents carry about themselves. Here's what it examines, how the layers fit together, and what it can and cannot prove.

How-to guideMay 08, 20264 min

How to Tell if an Image Has Been Photoshopped

Edges, lighting, metadata, reverse search, and error level analysis: a working sequence for checking whether an image has been edited — and knowing when you need tooling.