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Langner: The PLC is kind of a very small computer
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Zero Days

The PLC is kindof a very small computer attached to physical equipment, like pumps, like...

Langner: The PLC is kind
of a very small computer attached to physical equipment, like pumps, like valves, like motors

Full Transcript

00:00:01.000 --> 00:00:03.919
Langner: The PLC is kind of a very small computer
00:00:04.021 --> 00:00:06.919
attached to physical equipment,
00:00:06.092 --> 00:00:09.589
like pumps, like valves, like motors.
Duration
11 seconds
Views
31
Timestamp in Movie
00:15:42
Uploaded
Nov 01, 2025
Genres
documentary
Production
N/A

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Movie Summary

A documentary focused on Stuxnet, a piece of self-replicating computer malware that the U.S. and Israel unleashed to destroy a key part of an Iranian nuclear facility, and which ultimately spread beyond its intended target.
So this little box is running a digital program - Zero Days 00:13
So this little box is running a digital program
Chien: Those program module controllers - Zero Days 00:06
Chien: Those program module controllers
O'murchu: This is used in factories, - Zero Days 00:06
O'murchu: This is used in factories,
Critical infrastructure, it's everywhere around us, - Zero Days 00:10
Critical infrastructure, it's everywhere around us,
So the payload of Stuxnet was designed - Zero Days 00:09
So the payload of Stuxnet was designed
Langner: The next very big surprise came - Zero Days 00:07
Langner: The next very big surprise came
We figured out that the malware was probing - Zero Days 00:06
We figured out that the malware was probing
It didn't try to manipulate any given controller in a network - Zero Days 00:08
It didn't try to manipulate any given controller in a n...
It went through several checks, and when those checks failed, - Zero Days 00:08
It went through several checks, and when those checks failed...
It was obviously probing for a specific target. - Zero Days 00:06
It was obviously probing for a specific target.
You've got to put this in context that, - Zero Days 00:10
You've got to put this in context that,
Somebody takes that huge effort to hit one specific target? - Zero Days 00:07
Somebody takes that huge effort to hit one specific target?
Chien: So at Symantec we have probes on networks - Zero Days 00:08
Chien: So at Symantec we have probes on networks
O'murchu: We'd actually seen infections of Stuxnet - Zero Days 00:09
O'murchu: We'd actually seen infections of Stuxnet
You know, we had these organizations - Zero Days 00:22
You know, we had these organizations
We knew that Stuxnet could have very dire consequences, - Zero Days 00:15
We knew that Stuxnet could have very dire consequences,
Eventually, we were able to refine the statistics a little - Zero Days 00:08
Eventually, we were able to refine the statistics a little
We had never seen a threat before - Zero Days 00:06
We had never seen a threat before
And so we began to follow what was going on - Zero Days 00:07
And so we began to follow what was going on
And at that time, there were actually multiple explosions - Zero Days 00:08
And at that time, there were actually multiple explosions