Cyber Security Requires Cautious Logic
Jul 21,
2016
If we don’t carefully distinguish between necessary and sufficient when we are analyzing information assurance systems, we may become dangerously confident in a system that is actually quite weak. This Isn’t A New Problem Cryptography enthusiast Edgar Allan Poe wrote, in “A Few Words On Secret Writing” in Graham’s Magazine in July 1841: “Few persons […]
Back up and encrypt
Oct 17,
2012
A little over thirty years ago I managed a small mini-computer. We had half a dozen dumb terminals (ADM 3a’s to be specific), a printing terminal and a couple other CRT devices. The total disk storage varied at times from five to seven megabytes. We backed up on 9-track magnetic tape. The tape drive we […]
