Schneier on Security

www.schneier.com · 2026-06-28 · by Long Nguyen ·generic
A database of almost a million passports from around the world was leaked online. Note what happened. A high-value credential—a passport—was used in an ancillary low-value authentication system: ID verification for cannabis dispensaries. And it’s the low-value system that got hacked, putting the high-value credential at risk.

Schneier on Security

One Million Passports Leaked Online

A database of almost a million passports from around the world was leaked online.

Note what happened. A high-value credential—a passport—was used in an ancillary low-value authentication system: ID verification for cannabis dispensaries. And it’s the low-value system that got hacked, putting the high-value credential at risk.

Tags: data collection, leaks, passports

Posted on June 26, 2026 at 7:03 AM • 16 Comments

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