Somewhat related: a friend of mine crawled across a ton of publicly available PDFs from several security agencies and found a lot of interesting metadata about

Somewhat related: a friend of mine crawled across a ton of publicly available PDFs from several security agencies and found a lot of interesting metadata about their setup (stuff like OS version, word processor of choice, even the author's names in some cases). https://therecord.media/security-agencies-leak-sensitive-data-by-failing-to-sanitize-pdf-files/ https://therecord.media/security-agencies-leak-sensitive-dat...