4 ms·
Somebody told me that post-Snowden, the NSA started processing some high-value internal paperwork with fancy typewriters to prevent signals intelligence attacks
by avn2109 12y ago
Somebody told me that post-Snowden, the NSA started processing some high-value internal paperwork with fancy typewriters to prevent signals intelligence attacks. Apparently the typewriters have little signatures embedded in each letter that are unique per typewriter operator.
- mszyndel 12y agoEvery typewriter has a unique signature as has every other polygraphic machine (fax, printer, copier). This was a case always, after Media burglary (in the '70!) FBI was collecting Xerox copier printouts to identify where the burglars reproduced the stolen files.