[kevans91]

fwiw, characterizing Andres as a sysadmin isn't really the whole picture; he's a postgres developer that conducts benchmarking operations with some frequency (and he's quite good at what he does)... he's perhaps naturally a bit more sensitive to things like the cumulative effect of 500ms or so over a number of sshd invocations.

[Gormo]

You're right -- I went back and changed "sysadmin" to "engineer". Either way, though, he was not a dedicated security researcher, and managed to unravel this entire thing upon noticing an anomaly in the course of his regular work.