In other words, 2.7B -> 109M is a 96% reduction from headline to people. Could we apply the same maths to the 16B headline? I mean there’s not 16B people in the world, so a row per person can be ruled out pretty easily
> I mean there’s not 16B people in the world, so a row per person can be ruled out pretty easily In a hypothetical "master dump", a mix of all the dumps ever leaked, you'd expect dozens if not more entries for every "real person" out there. Think about how many people had a yahoo account, then how many had several yahoo accounts, and then multiply it with hundreds of leaks out there. I can see the number getting into…
i had a plan to do statistical studies of some password dumps to try and make a "compressed password list" that could generate password guesses on the fly, and i forgot why i didn't do it, but i'm sure it's because the "model" - the statistical dataset upon which the program would generate output, wouldn't really be that much smaller; at least not with my poor maths skills.
I'm assuming that someone who really knew what they were doing could get close to 20% - 15% of the full password list. I doubt i could do better than just compressing the dataset and extracting it on the fly.