[SCCC] FYI: Protection Agaisnt Hacked Wi-Fi Transmissions

Dave Donnelly kf6xa at arrl.net
Sun Nov 18 13:25:31 EST 2012


Two more ideas:

Walmart has a mobile wifi system called Internet on the Go. It's from 
Trutech and nearly the same as theirs, but the big attraction is that 
your time doesn't expire at the end of the month, so it's very useful 
when you only need it occasionally.

And similar to pcAnywhere and GoToMyPC, both of which I have used for 
years, there is also Logmein which has a free account that I use all 
the time.  I am not sure what level of security it gives, though ... 
read the site. The very neat thing about this system is that if you 
have one active computer on a LAN, and other computers on the LAN 
have wake-on-network capability, you can actually turn on powered-off 
computers remotely to access them. So via my 24/7 computer that I use 
to monitor the solar system and run a couple of PSK monitoring apps,I 
can turn on my main computer remotely.

73 de Dave

At 10:07 AM 11/18/2012, you wrote:
>Hi Larry,
>
>Similar to the iPhone "hot spot" solution, but frees up your phone... I use
>the Verizon "data card"  It plus into your computer via USB.  There is also
>a version that is a mini WifI device "JetPack" (up to ten devices) that you
>can set up with its own security and connect to via WiFi (you are creating
>your own WiFi network using the cell network as the main connection).  All
>of these devices run on the 4G network.  Other carriers have similar devices
>too.
>
>Though I don't need it that often, for remote communication back to the home
>office computers, I use PCAnywhere.  I've used GoToMyPC and it works well
>too, I just like the idea of buying it one time vs. a subscription for
>GoToMyPC I don't use that often.
>
>73,
>
>Cliff K3LL/6
>
>-----Original Message-----
>From: SCCC [mailto:sccc-bounces at contesting.com] On Behalf Of H Lawrence
>Serra
>Sent: Sunday, November 18, 2012 9:37 AM
>To: sddxcnews at yahoogroups.com; sccc at contesting.com
>Subject: [SCCC] FYI: Protection Agaisnt Hacked Wi-Fi Transmissions
>
>Slightly off-topic:
>
>Since my last ATT/Yahoo email account hijacking while on travel, using a
>hotel's unsecured wi-fi, I have done some research and discussed the problem
>with others more knowledgeable than I.
>
>I use GoToMyPC, a secure remote log-in to my office computer. GTMPC has a
>  feature called "one-time passwords" for travel, which issues a
>list of password keys that you use one at a time when you log-in, so if
>  anyone captures that P/W, it is invalid if they try to use it the next
>time. But even using my secure GoToMyPC connection to the secure ofc
>computer isn't much protection if I send over it the log-in info for the
>secondary ATT/Yahoo account over a hotel's unsecured wi-fi. It's still
>easily readable by hackers.
>
>Best suggestion I've heard so far is
>  to use my iPhone (or any smartphone or Blackberry) as a modem hard-wired to
>the travel laptop or iPad, so
>  you are transmitting over your secure (I hope) data network rather than
>  hotel's unsecured wi-fi.
>
>And good advice is that when making
>hotel reservations, make sure they have a secure wi-fi, protected with not
>general but specific passwords-- you know, the kind where they print
>out a specific, discrete, alpha-numeric password for each guest when he
>checks into the hotel. (But I've read up on this, and it is amazingly
>easy with open source software for a hacker to decrypt any of these
>wi-fi router passwords in a few seconds.)
>
>Anyway, email hijacking aside, if your travel communications are important
>and need to remain confidential, it is worth it to take additional security
>measures to increase communications security.
>
>I know there are many others of our ham groups who know a lot more about
>this. If anyone has specific information on how to effect better
>communications security, especially on travel, please speak up.
>
>73, Larry N6NC
>
>
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