Airline Pilot Central Forums - Airplane ..systems vulnerable to hacking?

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Airplane ..systems vulnerable to hacking?

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This article is primarily about pax airplanes (for now) but we all commercial on passenger airlines all the time. What are your thoughts on this? Realistic or scaremongering?

...The flaw lies in the entertainment and satellite communications systems, according to Chris Roberts, founder of OneWorldLabs, a Colorado based cyber security intelligence firm that consults with government agencies, businesses, and nonprofits.
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"Quite simply put, we can theorize on how to turn the engines off at 35,000 feet and not have any of those damn flashing lights go off in the cockpit.”

Ground control: Analysts warn airplane communications systems vulnerable to hacking | Fox News

Sounds like the weakness which allows access is in the in-flight entertainment system, so unless you have one of those the threat is probably N/A to cargo.

It would be much harder to access any systems via the external SATCOM link...you'd have to be able to duplicate the signal from the satellite and all it's protocols. Not to mention that the real satellite would still be talking. Could the NSA do it? Maybe. AQAP? No.

So I am at 350 and the engines quit. I need "damned flashing lights" to tell me that?