Digital Security

by: TJ EliasOverviewDigital security relies on the exact same principles as physical security: controlling who gets in, finding your weak spots, and making yourself a harder target than the next guy. ...

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Former cyber executive turned whistleblower accuses IBM of covering up several data breaches

Lorenzo Franceschi-Bicchierai, June 5, 2026A former IBM cybersecurity executive accused the company of getting hacked three times in the previous decade by foreign governments and then covering up the...

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AI Systems: A Human Analogy

Storing a lot of data in Excel

AI - The Depletion of Professional Judgment

Gilbert Strang Linear Algebra.

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Bad Documentation

Excel is not a Database