Hacker Explains Why You Shouldn't Post Your House Keys on Social Media
Summary
A cybersecurity expert showed how a photo of house keys posted on social media can be used to create a working copy of the keys using free software and 3D printing. This demonstrates the risk of sharing such images online, as advanced methods can replicate keys and potentially allow unauthorized entry.Key Facts
- People often share photos of their house keys on social media when announcing home purchases.
- A Virginia-based ethical hacker, Evan Ottinger, demonstrated copying keys from photos.
- Ottinger used free online tools and a 3D printer to make a functioning key from a key photo.
- The process involved decoding the key cuts using transparent overlays and computer-aided design (CAD) software.
- The 3D printer used was a Bambu X1C model with PLA filament.
- Ottinger learned these techniques from a security expert at a Red Team Alliance event.
- The tools for decoding and designing keys are free and publicly available.
- Keys can also be copied by hand or with commercial key cutters, not just 3D printing.
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