Warning (Added 2015) Some of the documents that we previously received through FOIA suggested that all major manufacturers of color laser printers entered a secret agreement with governments to ensure that the output of those printers is forensically traceable. Although we still don't know if this...
Step 1. Figure out what type of pattern your printer uses.
Step 2. Introduce noise in every print that’s undetectable to the eye, but completely ruins the forensics.
Step 3. Send ransom letters.