wholeaked
Tool that embeds identifiers in files to trace leak sources
...It works by generating unique versions of a file for each recipient and embedding identifying signatures or metadata into each distributed copy. If the file later appears in an unauthorized location, the embedded identifier can be analyzed to determine which recipient originally received that specific version. This approach allows organizations, researchers, or individuals to trace the origin of leaks in sensitive documents, binaries, or other shared resources. wholeaked automates the process of creating personalized file variants and associating them with a list of recipients. ...