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Two students find security bug that could let millions do laundry for free (www.theverge.com)

submitted 5 months ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 5 months ago (1 children)

Might be unbreakable, but all the attacker has to do is put money on it once and then just duplicate the card. You don't need to beat the encryption. You just need to make the machine think the card is legit

[–] [email protected] 2 points 5 months ago* (last edited 5 months ago) (1 children)

Yup, I've realised that's what people are saying. That's not an easy one to guard against I'm afraid.

[–] [email protected] 2 points 5 months ago* (last edited 5 months ago) (1 children)

I just re-read the comment chain and saw it was mentioned before. Oops lol

[–] [email protected] 1 points 5 months ago

No worries I've been in this thread a bunch and only just got it.