Your Mac Is Vulnerable to Thunderbolt Hacks and You Can’t Do Anything About It
Dubbed Thunderstrike, the vulnerability reportedly allows a custom-crafted malicious Thunderbolt device to flash code to the boot ROM. In a lengthy video posted to ccc-tv, Hudson demoes how persistent firmware modifications can be fed into the EFI boot ROM of MacBooks equipped with Thunderbolt ports.
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Story added 5. January 2015, content source with full text you can find at link above.