On Sat, 26 Jun 2004, J.A. Terranson wrote:

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Yes, I suppose that the more technical amongst us could selctively jam only the one signal, however, cellular phones are mighty low power devices, and I would not hazard a guess as to whether it would be

At 07:04 AM 6/27/04 +0200, Thomas Shaddack wrote: possible

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not to overpower the wanted signals on something like this.

You still deal with triangulation and phone-tracking sats as a threat model.

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Even if this is doable, it is out of reach of Jane Citizen.

If a J. Random Hacker with the necessary capabilities is within her reach, the countermeasure is available to her regardless of her own tech skills.

Yes, the internet effect, as described by Schneir amongst others. Cracks spreak instantly.

With continuing outsourcing, there should be enough out of work engineers available who are sufficiently hungry to risk working for the underground market.

Their *employers* need a viable biz model. Many of us (quasi academics or engineers) forget this. The rest is just earning a living as an engineer building something, ideally something cool and challenging under a reasonable schedule for decent pay. ----------- "Il dulce far niente" The sweetness of doing nothing My unemployment motto -S Schear