I have to say page 19 of the last publication is quite interesting. They talk about the Sentinel database filter on Sybase. https://www.nsa.gov/public_info/_f

I have to say page 19 of the last publication is quite interesting. They talk about the Sentinel database filter on Sybase. https://www.nsa.gov/public_info/_files/cryptologs/cryptolog_136.pdf https://www.nsa.gov/public_info/_files/cryptologs/cryptolog_...