This is a good intro course to the cyber side of things: https://www.youtube.com/watch?v=qwA6MmbeGNo https://www.youtube.com/watch?v=qwA6MmbeGNo For physical t

This is a good intro course to the cyber side of things: https://www.youtube.com/watch?v=qwA6MmbeGNo https://www.youtube.com/watch?v=qwA6MmbeGNo For physical tradecraft, there's lots of reading: old declassified manuals, certainly read non-fiction spy novels (though you have to be able to read between the lines in a lot of places). Billion Dollar Spy is a good one for tradecraft. I would generally avoid movies -- I can't recall one where I've seen good tradecraft.