OT: Traffic Light Control (was Re: First real-world SCADA attack in US)

Joel jaeggli joelja at bogus.com
Fri Nov 25 19:34:47 UTC 2011


On 11/22/11 08:16 , Jay Ashworth wrote:
> ----- Original Message -----
>> From: "Owen DeLong" <owen at delong.com>
> 
>> As in all cases, additional flexibility results in additional ability
>> to make mistakes. Simple mechanical lockouts do not scale to the
>> modern world. The benefits of these additional capabilities far
>> outweigh the perceived risks of programming errors.
> 
> The perceived risk in this case is "multiple high-speed traffic fatalities".
> 
> I believe we rank that pretty high; it's entirely possible that a traffic
> light controller is the most potentially dangerous artifact (in terms of 
> number of possible deaths) that the average citizen interacts with on a 
> daily basis.

Cars generically cause at lot more deaths than faulty traffic
controllers 13.2 per 100,000 population in the US annually.




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