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Low PNR Entropy: I accessed all airline bookings via simple math (alexschapiro.com)
4 points by bearsyankees 195 days ago
1 comments

Meanwhile in India we have airlines asking for OTP + Aadhaar + blood sample to change a seat, and somehow Avelo just needed 6 random chars. Beautiful write-up, Alex — this is the kind of responsible disclosure we need more of.