Why Solid Black Bars May Be Best For Redacted Text

In this insight, we look at how to best to avoid redacted text from being ‘unredacted’ by certain software tools, and we look at what researchers advise based on recent experiments. 

The Problem 

For businesses and organisations, the increased need for data sharing and/or making some data public can mean that certain (sensitive) parts of documents need to be obscured/obfuscated/censored for legal or security purposes (and to stop data leaks and fines). There are several differen...