Security bits

From: Pete Turnbull <>
Date: Tue Jan 22 13:42:16 2002

On Jan 22, 9:37, Tothwolf wrote:
> On Mon, 21 Jan 2002, Tony Duell wrote:
> > There are some security screws it doesn't cover. Most notably, 'System
> > Zero', which is commonly used in electronic and computer equipment.
> > found modems assembled with those, for what reason nobody seems to
> What do these look like? Are they the ones with a raised line across the
> head of the screw?

They look like a Torx screw head turned inside out. Imagine something
between a pan head and a round head (ie slightly domed) with six small
notches in the edge. The sides are sloping/curved and they're usually
hardened, and the edges of the notches are slightly rounded off so you
can't get a grip with pliers. There's a picture at

Pete						Peter Turnbull
						Network Manager
						University of York
Received on Tue Jan 22 2002 - 13:42:16 GMT

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