Previous Updates (refresh pages for newest version)
If your last visit has been a while ago, this page lists all previous updates to catch up reading.
22-01-2023 Operation Tinker
Bell Maggie Koo is the 21st to
complete Operation Tinker Bell.
29-12-2022 KL-7 Tech &
History Added document security
assessment US/UK cryptographic equipment.
30-11-2022 Hagelin Crypto
AG Added different ways crypto
machines were weakened.
30-10-2022 KL-7 Tech &
History Added links description
and use KL-7 by British Royal Navy.
24-09-2022 KL-7 Tech &
History Added diagram HL-1 tape
reader and KLX-7 Keyboard adapter.
27-07-2022 SIGINT Chatter History of the TSEC/KL-7 Documented.
26-05-2022 KL-7 Tech &
History Expansion KL-7 in
service, graphics and spy case.
31-03-2022 All pages Graphical improvements and rearrangements.
17-02-2022 Cipher Machines and
Cryptology moved to new domain!