interesting talk. unfortunately, none of the links or offered info was in the 
text article associated with the video. I wouldn't mind putting together 
something like this to monitor for local emergency comms.

-eric

On Aug 30, 2015, at 7:14 PM, Michael Butash wrote:

> Sadly security through obscurity is still prevalent in government systems, 
> and this is a backward way of trying to enforce that.
> 
> Here's a good primer on the 4.9ghz wireless spectrum and accessing it.
> 
> https://www.youtube.com/watch?v=pjsXzFRJfT8&spfreload=10
> 
> Most 5ghz nics *can* access it, but are disallowed from doing so by their 
> regional encoding.  Patches can bypass this as they show, and you can then 
> sniff safety networks.  What you find is things like wep, static keys, simple 
> lack of security, SSID's like "SCADA" popping up, all sorts of things.
> 
> You can also just go on ebay and find old 4.9ghz kit.
> 
> What to do in response?  Threaten anyone that patches their kernel driver to 
> use a feature.
> 
> Same with cell phones.  Years ago I had a palm pre on sprint, and sprint's 
> crap service made the phone unusable.  I wanted it on verizon, so I found 
> cdma workshop software, reprogrammed the radio band, and got it to connect to 
> verizon.  They refused to provision the phone, and began hinting that what I 
> was doing was technically illegal after harassing them to make it work for 
> near a month.  I gave up, annoyed with both sprint and verizon.
> 
> Then it made sense to me - what I was doing could also reprogram the 
> imei/meid on the device, pretending I'm someone else's radio, or their phone 
> all together.  I could have just programmed the meid off an old windoze 
> phone, but that would have been blatantly illegal, but was almost trivial 
> once doing the rest that I did.  Much of their security presumes you *cannot* 
> change that number, but you can...
> 
> This is why cdma-based providers (sprint/verizon/cricket) lock bootloaders 
> explicitly, as anything else compromises the possibility to tinker with the 
> radio, and clone someone's phone.  Only the government can do that.
> 
> Software-defined radios tap into all sorts of possibility sniffing into 
> insecure protocol traffic previously unexplored due to fcc vendor limitations 
> in making versatile tunable radios.  They're afraid.
> 
> -mb
> 
> 
> On 08/30/2015 02:19 PM, Eric Oyen wrote:
>> gee, what did I say about the government wanting to lock us down? here is 
>> the first shot across the bow.
>> 
>> -eric
>> 
>> http://www.southgatearc.org/news/2015/august/fcc_proposes_ban_on_sdr_radios_and_more.htm#.VeNyokuwgy6
>> 
>> 
>> 
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