We still do not know where—with two glaring exceptions—these zero-days came from, whether they were developed “in-house” by TAO or Israel’s Unit 8200 or procured off the underground market. What we do know is that the worm—in its final form, 500 kilobytes—was fifty times bigger than anything discovered before it. It was one hundred times the kilobytes required to send Apollo 11 to the moon. And it was pricey, easily worth millions of dollars. But, held against a single $2 billion B-2 bomber, it was a Costco bargain. Each of the seven zero-days played a critical role in getting their worm into
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