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Successful Hack of Time-Triggered Ethernet
Nov. 18, 2022, 3:04 p.m. | Bruce Schneier
Schneier on Security www.schneier.com
Time-triggered Ethernet (TTE) is used in spacecraft, basically to use the same hardware to process traffic with different timing and criticality. Researchers have defeated it:
On Tuesday, researchers published findings that, for the first time, break TTE’s isolation guarantees. The result is PCspooF, an attack that allows a single non-critical device connected to a single plane to disrupt synchronization and communication between TTE devices on all planes. The attack works by exploiting a vulnerability in the TTE protocol. The …
cyberattack embedded systems ethernet hack hardware spoofing
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