How to Redact Email Attachments: Documents, Images, Audio, Video

The body of an email is often the least sensitive part of the message it belongs to. A two-line cover note can carry a scanned letter, a spreadsheet ...

September 30, 2026

Email Redaction Across a Mailbox: Bodies, Threads and Attachments

A public body asked my team for email redaction because its officers were answering Freedom of Information Act (FOIA) and public records requests by ...

September 30, 2026

Multilingual Document Redaction: Arabic, Right-to-Left and Mixed-Script PDFs

What does a redaction tool do with a witness statement written in Arabic, or a benefits letter in Urdu, when the models it runs were built and tested ...

September 30, 2026

How to Sanitize a PDF: The Hidden Places PII Survives After Redaction

A litigation team can check every page of a redacted production with copy and paste, find nothing under the bars, and still send the redacted words ...

September 30, 2026

Which DICOM Tags Contain PHI, and What to Replace Them With

If your imaging core de-identifies studies with its own script, the heart of that script is a list of DICOM (Digital Imaging and Communications in ...

September 30, 2026

Burned-In Text in DICOM: Ultrasound and Secondary Captures

A clean header does not help when a reviewer opens a de-identified ultrasound study and finds the patient's name and date of birth printed across the ...

September 30, 2026

PII Redaction in Call Transcripts: Redacting the Text Along with the Audio

A redacted call can play back with every card number silenced while its caption track, sitting beside the audio in the same player, still spells the ...

September 30, 2026

Audio PII Redaction: Finding Spoken Card Numbers and Names in a Call

A compliance lead evaluating audio PII redaction tends to ask one question before any other: which parts of a card payment will the tool actually ...

September 30, 2026

Frame-by-Frame Redaction: Filling the Gaps Between Analyzed Frames

An analyst who has keyframed a face by hand through a two-minute clip knows that frame-by-frame redaction seldom means drawing a box on every frame. ...

September 30, 2026

How to Redact Signatures, Forms and Stamps in a PDF

Signatures are personal information in some releases and routine in others, and the rule that decides which usually comes from records law or a court ...

September 30, 2026

Handwritten, Rotated and Skewed Scans: What OCR Misses Before Redaction

The name most likely to survive an automated redaction of a typed intake form is the one somebody wrote in the margin by hand. OCR built for printed ...

September 30, 2026

How to Redact DICOM Pixel Data Without Breaking the Image

A computed tomography (CT) slice stored as DICOM (Digital Imaging and Communications in Medicine) can come back from de-identification looking ...

September 30, 2026

DICOM De-identification: Tags, Burned-In Text and the Pixels In Between

My team built DICOM de-identification into VIDIZMO Redactor because the organizations asking us for it kept running into the same gap. Clinical ...

September 30, 2026

Call Recording Redaction at Scale: What Actually Breaks and How to Handle It

I led our call recording redaction deployment at a county social services contact center, where about 7,000 calls come in on an average working day, ...

September 30, 2026