Reply to post: Why knife?

3D printer blueprints for TSA luggage-unlocking master keys leak online

Voland's right hand Silver badge

Why knife?

Side channel attack - pen in the zip, pry the zip open, do whatever you like, move the zipper back and fourth and it looks same as it used to.

Any suitcase with a plastic zip is as good as wide opened. Metal zips are also susceptible to this attack (albeit a bit more difficult).

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