There’s a vintage NSA security poster for everyone

How do you drive home the fact that keeping secrets is important? For the National Security Agency, one way is with the peer pressure of, well, beautiful posters that are designed to target a wide range of personalities.The NSA has long used security posters to warn workers to keep their mouths shut. The latest declassified batch, from the 1950s and ‘60s, comes to us courtesy of Government Attic, a website that requests and posts historical documents that it obtains using the Freedom of I