Re: hackers can steal data wirelessly from pcs that arent even online
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The malware can reprogram the PC's graphics card to transmit signals over the display cable that can be picked up by a nearby mobile device.
I'm wondering whether laptops qualify as having a "display cable".
It's why using a USB stick to ferry data/transactions between your hot and cold machines is really a breach of the air-gap.
Agreed, but:
Any transfer of data is.
Does this include the following?
- Reading some words/digits in the online computer.
- Walking to the airgapped one.
- Manually typing the memorized words/digits on the keyboard.
It's effectively a data transfer but the bad guys would have a really hard time trying to compromise the airgap through it. Of course it's inconvenient as hell but we all know that's the price you pay for security
.