Cyber Security Requires Cautious Logic

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 […]
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Encryption is “Exponentially Easier” to Break, But What Does That Really Mean?

In Learning Tree’s System and Network Security Introduction course we talk a little about risk management. Unless you can put numbers on a thing, it’s hard to discuss it or plan for it (or plan how to avoid it!) in a meaningful way. A startling result from late summer is still getting some attention. It’s […]
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