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Questions tagged [dma-attack]

DMA attack is an exploitation of a Direct Memory Access feature of ports like Firewire, Thunderbolt and PCI Express

DMA attack is an exploitation of a Direct Memory Access (DMA) feature of certain ports like PCI, Firewire, PCI Express and Thunderbolt.

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Is Thunderbolt still insecure?

Has Apple fixed the Thunderbolt DMA attack when the computer is unlocked or is it unfixable since DMA is built into Thunderbolt? I don't want to get hacked simply by plugging my Mac into a modified projector in a hotel or something. Btw, what is the…
genealogyxie
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Does IOMMU prevent DMA attacks?

what does IOMMU actually do, does it manage memory access for devices like MMU does for processes or is it more simplified thing and doesn't provide virtualization/access control ? So basically my question is: does IOMMU mitigate DMA attacks ?
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