[Editor’s Note: This is good information, but readers should note that simple transposition ciphers of any type can be easily broken. Only One Time Pads and book codes offer any reasonable level of cipher security.]
My Nom de Plume is “East Sierra Sage”, and I’m writing about cipher security. I am a Retired Marine Infantry Staff Non-Commissioned Officer. I served multiple combat tours in Iraq, as well as most of the “skirmishes” the U.S. got involved in leading up to the global war on terror. Two tours were served as an instructor of Mountain Warfare training for the Marine Corps. I have taught “Survival in the Mountains” and have trained combat staff members in command post operations. I have taught Navy SEALS, Army Special Forces, Army Rangers, and Air Force Para-rescue operators, as well as many numerous foreign military personnel.
My Life, Career, and Lessons Learned in Intelligence Reporting
During my career I was “voluntold” to write ground-up Intelligence reporting to higher headquarters. These tasks, though uninspiring at first, would eventually teach me many ways to deliver “secure” messages via plain text or open source communications formats, as well as teach me the way Intelligence personnel conduct predictive analysis in order to synchronize Infantry operations to anticipate enemy actions and get personnel “left of bang”.
Continue reading“Cipher Security- Part 1, by East Sierra Sage”