There is so much work to do for SFI that is still being ignored. The only way that some of these services will update is by being the target of the red team, security researcher, or threat actor.
181 karma · joined May 23, 2022
From their website:
Covenant Aviation Security, a private company under contract with the Transportation Security Administration (TSA), provides passenger and baggage screening at SFO.
Visit Covenant Aviation Security to learn more about security screening at SFO.
https://www.flysfo.com/about/airport-operations/safety-secur...
More coverage here: https://www.npr.org/2026/03/26/nx-s1-5759273/not-all-airport...
Here's a nice presentation on an analysis of the method, references start on slide 47
https://people.orie.cornell.edu/pfrazier/Presentations/2014....
Paraphrasing the theorem from Jedynak, Frazier, Sznitman (2011):
Suppose [flake probability] is constant, known, and bounded away from 1/2, and we use the entropy loss function. ... The policy that chooses [next test point] at the median of [current posterior distribution] is optimal.
And some python code that implements a version of the analysis
https://github.com/choderalab/thresholds/blob/master/thresho...
In the EB-5 real-estate investment program, the government doesn't hand out money here. If you're a rich overseas individual who wants to relocate to the US, you can invest like $1-2m (used to be lower), and boom you're in.