At Def Con, you can see live how vishing works. Surprisingly often, attackers obtain even the most important company information by telephone.

The first version of Pascal was released by the prolific [Niklaus Wirth] back in 1970. That’s 55 years ago, an eternity in ...

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Use Microsoft Excel to calculate EBITDA (earnings before interest, tax, depreciation, and amortization) profit margin.