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transformers, generators, motors and power lines have protection relays which sense conditions such as short circuits and Nike Sweatshirts No Hood
There is a nice story in Ross Anderson's computer security book about how kids in Soweto discovered that a bike on the substation reset all the electricity meters to zero.
650 transmitter can disable an entire city's high speed mobile phone network
isolate the short circuited part of the . circuit before equipment can be damaged. There have been work crews working on each station one at a time to completely overhaul the security. The flaw is in the protocols, and fixing it would require a new network stack and new phones, not just a bigger fence.
simcop2387 650 days ago link
Can you explain the chain idea? Nike Hoodie Womens Purple
lifeformed 650 days ago link
Basically the idea is to short the two sides of the electrical wires so that you end up breaking the transformers. This means that lots of things at the substation will have to be replaced before it can be put back into action. A few well placed attacks like that and you can easily take out an entire city's power or more.
If you give 50 engineers the task to come up with ideas for breaking a countries infrastructure on a budget I'm pretty sure 45 of them will go for the electricity plants and will look for the most vulnerable place to cause a dead short in a high voltage circuit. There aren't that many of them, they're our Achilles heel. I'm not at all surprised that the military has taken this idea into their arsenal.
I'm at the airport, and that link is blocked. Maybe this isn't the right time for me to be in this thread.
And did I mention that this part is very robust? A UE can detect a cell well below the noise floor. That's required because in a real network with TD LTE (and even for FD LTE in the future) all the cells are synchronized and transmit PSS/SSS at (roughly) the same time. So it is expected that PSS/SSS will be interfered, and the device can deal with this. To protect against this there are well known techniques used in military applications. But guess what? The whole system because way less efficient in capacity and much more complex. Everybody should realize this. Carbon fiber instead of the chain, but same principle.
jacquesm 650 days ago link
snowwindwaves 650 days ago link
justincormack 650 days ago link
sigkill 649 days ago link
along with transportation infrastructure.
I remember reading somewhere that in Total War scenarios you should poison the water source if you are not able to capture and control it. I think it was Art of War by Sun Tzu.
gargantuan 650 days ago link
Breaking will always be easier than making. They were so low Nike Men Hoodies power and right up close to the dishes that they could push legitimate broadcasts (mostly German TV) right out of their slot. Both are using 62 LTE carriers, each one being 15 kHz, so cover 0.93 MHz. For comparison, a 3G channel is 5 MHz and a CDMA channel is 1.25 MHz. 2G is even narrower (memory fails me there.). So not widely different. Nonsense. Any PSS detection algorithm has plenty of false detection already, and detecting a PSS is nothing until the matching SSS is also detected, with good quality. But then it's not so simple, the jammer don't transmit noise anymore: you have to transmit a true PSS/SSS pair. That won't get you very far, the UE will try this, won't find a matching BCCH and move on.
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