Technology risk without safeguards

William Herrin bill at
Fri Nov 6 20:23:13 UTC 2020

On Fri, Nov 6, 2020 at 12:00 PM Rich Kulawiec <rsk at> wrote:
> p.s.2: The large quantities of power conduits, cables, shelving, racks,
> HVAC ductwork, etc. that are typical of datacenters constitute a haphazard
> but modestly effective EM shield, as measured on an ad hoc basis by anyone
> who tries to receive external signals inside them (even when everything
> is powered down) will quickly discover.

Hi Rich,

I expect that has more to do with the windowless concrete-and-steel
construction of the data center building.

Bill Herrin

Hire me!

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