Hackers can turn your home computer into a bomb - Knowledge Is Free

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Friday 25 October 2013

Hackers can turn your home computer into a bomb



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In 2011 the news was reporting on HP Printers catching fire. HP Responded saying that there was a hardware element called a "thermal breaker" to prevent this from happening. The researcher never produced a burning pile of printer.

Also in 2011 Charlie Miller was researching the firmware on Apple's batteries trying to get them to explode or catch fire. However the worst he was able to do was brick the battery.

Now lets flash back to 1985. The Therac-25 radiation therapy machine is killing people due to a bug in how the software interacted with hardware. An eariler model had "Hardware Interlocks" which prevented the operator from accidentally overdosing patents with radation.

All of the devices we use should have a hardware control preventing software from damaging the physical world.

But there are some systems where its impractical for hardware to prevent all damage to physical systems. This is the real fear behind vulnerabilities in SCADA systems. It maybe possible for an attacker to remove safety controls used by a power plant or put it into an unstable state.

An example of this happening in real life is Stuxnet being used to destroy centrifuges. There is some evidence to suggest that a hacker was the cause of a missile explosion at an Iranian Military base. So if the computer happens to also be a bomb, then yes, a hacker can probably make it explode.


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