joshzayin
Joined 16 years ago
Joined 16 years ago
If you want, feel free to contact me internally and schedule a 1:1 so we can chat in more detail. My google username is the first 5 characters of my HN username. If you want to make the meeting private, that's absolutely reasonable. I will not mention anything about it to your team or manager unless you ask me to.
I don't know of any off the top of my head, but there was that time a few years ago when Dropbox accidentally let anyone in without a password. This isn't to pick on Dropbox, but security lapses happen and it's wise to have multiple layers of strong defense to reduce your risk. (Also, if someone compromises the email associated with your CloudDrive, they can use that to get your CloudDrive by invoking a password reset.)
EDIT: Wolfram|Alpha estimates the entropy of a password generated using the constraints I used for mine as roughly 85 bits (the relevant space would take 14 trillion years to enumerate). It actually has a pretty information-heavy password strength estimator (though I can't attest to its reliability as I'm not familiar with the internals).
If there's malware on your computer running as you, with access to things like USB devices, it becomes significantly harder (if not impossible) to do anything security critical on it.
"Remote Timing Attacks are Practical" https://crypto.stanford.edu/~dabo/papers/ssl-timing.pdf
"RSA Key Extraction via Low-Bandwidth Acoustic Cryptanalysis" http://www.tau.ac.il/~tromer/acoustic/
Let A be a countable set. Now, suppose that there was a surjective function (one that hits every element of P(A)) f: A -> P(A). (Note that f takes elements of A, and produces subsets of A.)
Now, define Y ⊆ A as follows: For all x in A, x is in Y if and only if x is not in f(x).
Thus, Y, which is in P(A), is distinct from every output of f, and so f is not actually surjective.
This means that no surjective function f: A -> P(A) exists.
This is a generalization of Cantor's Diagonal Argument (http://en.wikipedia.org/wiki/Cantor%27s_diagonal_argument).
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My website is joshz.org