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How do I prevent hackers from stealing my debit card information? (lemmy.world)
submitted 3 years ago by to c/technology@lemmy.world
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My wife and I keep getting our debit cards stolen online. We notice the charges and are able to dispute them and cancel our cards, but it sure is annoying.

We don't put our card information on suspicious websites. They're on well known websites like amazon and Facebook.

We ran out emails through a data breach checker and it found nothing.

I don't think there's any malware on our devices.

Any idea what could be happening and how to prevent it?

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[–] 9 points 3 years ago (2 children)

Once you suspect a device is infected the only good option is the nuclear option. Anything else will not be guaranteed to 100% remove it, or really, anywhere near close to that, or even detect everything wrong in the first place or after attempted removal. And with a month long period between attacks that is a long time to wait and see to see if any other option might work.

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  • [–] 0 points 3 years ago*

    True, but I would confirm a device is compromised before nuking the OS, not just do it willy-nilly because maybe it could be. A better way to phrase what OP is asking is: what are some ways to troubleshoot this without making a ton of potentially unnecessary work for myself?

    ...to which I would say, run a netstat on any systems that you can, check those IP's against WHOIS and/or traceroute. Anything that traces to Eastern Europe, Russia, China, most of SEA is a red flag. Dig a little deeper with Wireshark or Glasswire to inspect some actual packets for suspicious content. I think there's a network logger that can trace the process using a given connection, but the name eludes me).

    Find your smoking gun, then torch the OS.

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