You could remotely hack it if its online, which has some advantages, but it's still super illegal and probably would get you in troubles before you could do any harm.Ĥ) The credit it's stored on the card, but it's encrypted or digitally signed.That would be the best idea from the manufacturer point of view.
But this time, hacking it could be much more difficult because online system often has stronger security and more mantenance. You'ld end up logged and, if there is any camera that could correlate the time of the hacking attempt with you entering the laundry, you're screwed.ģ) The card is stored on a remote server, on the provider's website: this is more or less the same than item #2. Also, you may be able to inject some evil requests on the card itself with a NFC board, but that's not much likely to work since you don't have any return information, and the cases where injecting anything would be explotaible and could unlock the washing machine are extremely rare. If the sensor is wireless, you may get a chance to connect to it, sniff the traffic (but that would imply hacking into that network also) and being able to determine how the comunications are made, to be able to hack on it (not an easy job). You would need to seek vulnerabilities on it. Hacking it is a terrible idea since it's not from your property and you can have some big problems doing that. If thats the case you're more or less screwed up. I doubt that's the case, but is if so, congrats, youre a lucky manĢ) The card credit is stored on a local server within your aparment complex. If that's the case, hacking it is trivial and you just need a NFC board to read and write on it. Play nice, support each other and encourage learning.Īppart from the do this with educational purposes only, you may have 4 scenarios here: TLDR ġ) Best one (but less likely): The devs are dumb enough and stores the actual credit ammount on plain text on the card. We are not tech support, these posts should be kept on /r/techsupportĭon't be a dick. Low-effort content will be removed at moderator discretion from security firms/pen testing companies is allowed within the confines of site-wide rules on self promotion found here, but will otherwise be considered spam. Spam is strictly forbidden and will result in a ban. Sharing of personal data is forbidden - no doxxing or IP dumping No "I got hacked" posts unless it's an interesting post-mortem of a unique attack. "How does HSTS prevent SSL stripping?" is a good question. Intermediate questions are welcomed - e.g. Offering to do these things will also result in a ban.
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